/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_spec4_product44.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:05:42,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:05:42,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:05:42,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:05:42,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:05:42,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:05:42,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:05:42,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:05:42,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:05:42,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:05:42,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:05:42,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:05:42,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:05:42,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:05:42,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:05:42,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:05:42,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:05:42,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:05:42,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:05:42,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:05:42,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:05:42,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:05:42,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:05:42,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:05:42,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:05:42,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:05:42,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:05:42,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:05:42,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:05:42,820 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:05:42,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:05:42,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:05:42,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:05:42,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:05:42,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:05:42,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:05:42,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:05:42,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:05:42,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:05:42,827 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:05:42,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:05:42,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:05:42,844 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:05:42,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:05:42,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:05:42,848 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:05:42,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:05:42,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:05:42,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:05:42,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:05:42,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:05:42,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:05:42,851 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:05:42,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:05:42,851 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:05:42,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:05:42,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:05:42,851 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:05:42,852 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:05:42,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:05:42,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:05:42,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:05:42,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:05:42,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:05:42,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:05:43,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:05:43,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:05:43,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:05:43,326 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:05:43,326 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:05:43,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-10-24 00:05:43,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5242c2e/27404404063943e58ddbc4696c0f5749/FLAG42f8a886a [2020-10-24 00:05:44,029 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:05:44,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product44.cil.c [2020-10-24 00:05:44,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5242c2e/27404404063943e58ddbc4696c0f5749/FLAG42f8a886a [2020-10-24 00:05:44,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5242c2e/27404404063943e58ddbc4696c0f5749 [2020-10-24 00:05:44,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:05:44,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:05:44,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:05:44,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:05:44,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:05:44,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:05:44" (1/1) ... [2020-10-24 00:05:44,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5071e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:44, skipping insertion in model container [2020-10-24 00:05:44,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:05:44" (1/1) ... [2020-10-24 00:05:44,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:05:44,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:05:44,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:05:44,957 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:05:45,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:05:45,071 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:05:45,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45 WrapperNode [2020-10-24 00:05:45,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:05:45,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:05:45,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:05:45,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:05:45,094 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (1/1) ... [2020-10-24 00:05:45,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (1/1) ... [2020-10-24 00:05:45,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (1/1) ... [2020-10-24 00:05:45,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (1/1) ... [2020-10-24 00:05:45,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (1/1) ... [2020-10-24 00:05:45,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (1/1) ... [2020-10-24 00:05:45,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (1/1) ... [2020-10-24 00:05:45,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:05:45,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:05:45,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:05:45,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:05:45,168 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (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 [2020-10-24 00:05:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:05:45,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:05:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:05:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:05:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-24 00:05:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:05:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:05:45,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:05:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:05:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:05:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:05:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:05:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:05:45,241 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:05:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:05:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:05:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:05:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:05:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:05:45,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:05:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:05:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:05:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:05:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:05:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:05:45,243 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:05:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:05:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:05:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:05:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:05:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:05:45,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:05:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:05:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:05:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:05:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:05:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:05:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:05:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:05:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:05:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:05:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:05:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:05:45,246 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:05:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:05:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:05:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:05:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:05:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:05:45,247 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:05:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-24 00:05:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:05:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:05:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:05:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:05:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:05:45,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:05:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:05:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:05:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:05:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:05:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:05:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:05:45,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:05:45,250 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:05:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:05:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:05:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:05:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:05:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:05:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:05:45,251 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:05:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:05:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:05:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:05:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:05:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:05:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:05:45,252 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:05:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:05:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:05:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:05:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:05:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:05:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:05:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:05:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:05:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:05:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:05:46,324 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:05:46,324 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:05:46,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:05:46 BoogieIcfgContainer [2020-10-24 00:05:46,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:05:46,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:05:46,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:05:46,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:05:46,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:05:44" (1/3) ... [2020-10-24 00:05:46,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a97081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:05:46, skipping insertion in model container [2020-10-24 00:05:46,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:45" (2/3) ... [2020-10-24 00:05:46,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15a97081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:05:46, skipping insertion in model container [2020-10-24 00:05:46,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:05:46" (3/3) ... [2020-10-24 00:05:46,335 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product44.cil.c [2020-10-24 00:05:46,346 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:05:46,352 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:05:46,365 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:05:46,387 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:05:46,388 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:05:46,388 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:05:46,388 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:05:46,388 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:05:46,388 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:05:46,388 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:05:46,389 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:05:46,410 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states. [2020-10-24 00:05:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-24 00:05:46,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:46,431 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] [2020-10-24 00:05:46,431 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]=== [2020-10-24 00:05:46,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:46,438 INFO L82 PathProgramCache]: Analyzing trace with hash 2015353966, now seen corresponding path program 1 times [2020-10-24 00:05:46,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:46,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020854943] [2020-10-24 00:05:46,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,340 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:47,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:05:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:05:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:47,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020854943] [2020-10-24 00:05:47,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:47,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 00:05:47,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905999655] [2020-10-24 00:05:47,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 00:05:47,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:47,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 00:05:47,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 00:05:47,524 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 3 states. [2020-10-24 00:05:49,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:05:49,160 INFO L93 Difference]: Finished difference Result 504 states and 593 transitions. [2020-10-24 00:05:49,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 00:05:49,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-24 00:05:49,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:05:49,178 INFO L225 Difference]: With dead ends: 504 [2020-10-24 00:05:49,179 INFO L226 Difference]: Without dead ends: 312 [2020-10-24 00:05:49,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 00:05:49,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-10-24 00:05:49,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 268. [2020-10-24 00:05:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-10-24 00:05:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 288 transitions. [2020-10-24 00:05:49,341 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 288 transitions. Word has length 148 [2020-10-24 00:05:49,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:05:49,342 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 288 transitions. [2020-10-24 00:05:49,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 00:05:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 288 transitions. [2020-10-24 00:05:49,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-24 00:05:49,347 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:49,347 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] [2020-10-24 00:05:49,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:05:49,348 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]=== [2020-10-24 00:05:49,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:49,349 INFO L82 PathProgramCache]: Analyzing trace with hash -276982416, now seen corresponding path program 1 times [2020-10-24 00:05:49,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:49,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1271443959] [2020-10-24 00:05:49,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:49,905 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:49,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:49,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:49,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:05:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:49,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-24 00:05:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:50,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:50,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1271443959] [2020-10-24 00:05:50,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:50,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:05:50,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592751964] [2020-10-24 00:05:50,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:05:50,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:50,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:05:50,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:05:50,025 INFO L87 Difference]: Start difference. First operand 268 states and 288 transitions. Second operand 4 states. [2020-10-24 00:05:50,785 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:05:51,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:05:51,893 INFO L93 Difference]: Finished difference Result 405 states and 450 transitions. [2020-10-24 00:05:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 00:05:51,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-24 00:05:51,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:05:51,899 INFO L225 Difference]: With dead ends: 405 [2020-10-24 00:05:51,899 INFO L226 Difference]: Without dead ends: 295 [2020-10-24 00:05:51,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:05:51,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2020-10-24 00:05:52,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 258. [2020-10-24 00:05:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2020-10-24 00:05:52,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 275 transitions. [2020-10-24 00:05:52,025 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 275 transitions. Word has length 149 [2020-10-24 00:05:52,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:05:52,026 INFO L481 AbstractCegarLoop]: Abstraction has 258 states and 275 transitions. [2020-10-24 00:05:52,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:05:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 275 transitions. [2020-10-24 00:05:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-24 00:05:52,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:52,030 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] [2020-10-24 00:05:52,030 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:05:52,030 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]=== [2020-10-24 00:05:52,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:52,031 INFO L82 PathProgramCache]: Analyzing trace with hash -637965382, now seen corresponding path program 1 times [2020-10-24 00:05:52,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:52,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463841272] [2020-10-24 00:05:52,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,477 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:52,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-24 00:05:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:05:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:05:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:52,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463841272] [2020-10-24 00:05:52,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:52,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:05:52,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513203194] [2020-10-24 00:05:52,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:05:52,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:52,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:05:52,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:05:52,660 INFO L87 Difference]: Start difference. First operand 258 states and 275 transitions. Second operand 10 states. [2020-10-24 00:05:53,352 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:05:53,815 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:05:54,220 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:05:54,612 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:05:54,981 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:05:55,360 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:05:56,540 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:05:59,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:05:59,344 INFO L93 Difference]: Finished difference Result 700 states and 804 transitions. [2020-10-24 00:05:59,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:05:59,345 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-10-24 00:05:59,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:05:59,354 INFO L225 Difference]: With dead ends: 700 [2020-10-24 00:05:59,354 INFO L226 Difference]: Without dead ends: 557 [2020-10-24 00:05:59,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:05:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-10-24 00:05:59,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 448. [2020-10-24 00:05:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2020-10-24 00:05:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 492 transitions. [2020-10-24 00:05:59,595 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 492 transitions. Word has length 162 [2020-10-24 00:05:59,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:05:59,596 INFO L481 AbstractCegarLoop]: Abstraction has 448 states and 492 transitions. [2020-10-24 00:05:59,596 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:05:59,597 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 492 transitions. [2020-10-24 00:05:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:05:59,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:59,600 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:05:59,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:05:59,601 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]=== [2020-10-24 00:05:59,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:59,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1321984462, now seen corresponding path program 1 times [2020-10-24 00:05:59,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:59,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [170612434] [2020-10-24 00:05:59,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,077 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:00,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:00,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-24 00:06:00,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:06:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-24 00:06:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:06:00,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [170612434] [2020-10-24 00:06:00,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:06:00,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:06:00,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017503037] [2020-10-24 00:06:00,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:06:00,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:00,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:06:00,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:06:00,324 INFO L87 Difference]: Start difference. First operand 448 states and 492 transitions. Second operand 14 states. [2020-10-24 00:06:00,948 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:01,460 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:01,858 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:02,241 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:02,621 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:02,995 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:03,822 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:05,181 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:05,596 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:06,097 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:06,544 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:06,958 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:07,331 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:06:07,720 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:08,105 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:08,470 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:08,941 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:09,449 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:06:09,849 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:10,279 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:12,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:12,702 INFO L93 Difference]: Finished difference Result 1531 states and 1880 transitions. [2020-10-24 00:06:12,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-24 00:06:12,704 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 167 [2020-10-24 00:06:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:12,715 INFO L225 Difference]: With dead ends: 1531 [2020-10-24 00:06:12,715 INFO L226 Difference]: Without dead ends: 1198 [2020-10-24 00:06:12,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-24 00:06:12,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-10-24 00:06:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1059. [2020-10-24 00:06:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1059 states. [2020-10-24 00:06:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1217 transitions. [2020-10-24 00:06:13,182 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1217 transitions. Word has length 167 [2020-10-24 00:06:13,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:13,183 INFO L481 AbstractCegarLoop]: Abstraction has 1059 states and 1217 transitions. [2020-10-24 00:06:13,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:06:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1217 transitions. [2020-10-24 00:06:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-24 00:06:13,187 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:13,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:13,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:06:13,188 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]=== [2020-10-24 00:06:13,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:13,189 INFO L82 PathProgramCache]: Analyzing trace with hash 114173771, now seen corresponding path program 1 times [2020-10-24 00:06:13,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:13,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873306423] [2020-10-24 00:06:13,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,587 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:13,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-24 00:06:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-24 00:06:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:06:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-24 00:06:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:06:13,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1873306423] [2020-10-24 00:06:13,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:06:13,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 00:06:13,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878441519] [2020-10-24 00:06:13,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 00:06:13,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:13,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 00:06:13,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 00:06:13,724 INFO L87 Difference]: Start difference. First operand 1059 states and 1217 transitions. Second operand 6 states. [2020-10-24 00:06:14,345 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:17,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:17,061 INFO L93 Difference]: Finished difference Result 2472 states and 2986 transitions. [2020-10-24 00:06:17,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 00:06:17,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-10-24 00:06:17,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:17,072 INFO L225 Difference]: With dead ends: 2472 [2020-10-24 00:06:17,072 INFO L226 Difference]: Without dead ends: 1528 [2020-10-24 00:06:17,076 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:06:17,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1528 states. [2020-10-24 00:06:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1528 to 1424. [2020-10-24 00:06:17,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2020-10-24 00:06:17,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 1648 transitions. [2020-10-24 00:06:17,649 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 1648 transitions. Word has length 172 [2020-10-24 00:06:17,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:17,650 INFO L481 AbstractCegarLoop]: Abstraction has 1424 states and 1648 transitions. [2020-10-24 00:06:17,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 00:06:17,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 1648 transitions. [2020-10-24 00:06:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-24 00:06:17,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:17,656 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:17,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:06:17,657 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]=== [2020-10-24 00:06:17,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:17,657 INFO L82 PathProgramCache]: Analyzing trace with hash 811968663, now seen corresponding path program 1 times [2020-10-24 00:06:17,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:17,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837379106] [2020-10-24 00:06:17,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,063 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:18,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:06:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:06:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:06:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:18,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-24 00:06:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-24 00:06:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-24 00:06:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:18,329 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-10-24 00:06:18,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837379106] [2020-10-24 00:06:18,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:18,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 00:06:18,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996987617] [2020-10-24 00:06:18,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:06:18,332 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:18,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:06:18,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:06:18,333 INFO L87 Difference]: Start difference. First operand 1424 states and 1648 transitions. Second operand 11 states. [2020-10-24 00:06:18,999 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:21,330 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:21,706 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:22,128 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:22,519 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:22,877 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:23,873 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:24,227 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:24,622 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:25,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:25,033 INFO L93 Difference]: Finished difference Result 1609 states and 1915 transitions. [2020-10-24 00:06:25,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-24 00:06:25,034 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 215 [2020-10-24 00:06:25,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:25,043 INFO L225 Difference]: With dead ends: 1609 [2020-10-24 00:06:25,043 INFO L226 Difference]: Without dead ends: 1605 [2020-10-24 00:06:25,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:06:25,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2020-10-24 00:06:25,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1433. [2020-10-24 00:06:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2020-10-24 00:06:25,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1654 transitions. [2020-10-24 00:06:25,671 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1654 transitions. Word has length 215 [2020-10-24 00:06:25,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:25,671 INFO L481 AbstractCegarLoop]: Abstraction has 1433 states and 1654 transitions. [2020-10-24 00:06:25,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:06:25,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1654 transitions. [2020-10-24 00:06:25,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-24 00:06:25,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:25,691 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:25,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:06:25,691 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]=== [2020-10-24 00:06:25,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:25,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1772308343, now seen corresponding path program 1 times [2020-10-24 00:06:25,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:25,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1167123404] [2020-10-24 00:06:25,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,083 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:26,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:06:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:06:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:06:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:26,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-24 00:06:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:06:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-24 00:06:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-24 00:06:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:06:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-24 00:06:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,421 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-24 00:06:26,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1167123404] [2020-10-24 00:06:26,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:26,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 00:06:26,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174654602] [2020-10-24 00:06:26,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:06:26,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:26,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:06:26,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:06:26,426 INFO L87 Difference]: Start difference. First operand 1433 states and 1654 transitions. Second operand 11 states. [2020-10-24 00:06:27,994 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:28,371 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:28,762 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:29,126 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:29,554 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:31,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:31,639 INFO L93 Difference]: Finished difference Result 2817 states and 3514 transitions. [2020-10-24 00:06:31,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:06:31,640 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 277 [2020-10-24 00:06:31,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:31,652 INFO L225 Difference]: With dead ends: 2817 [2020-10-24 00:06:31,652 INFO L226 Difference]: Without dead ends: 1894 [2020-10-24 00:06:31,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:06:31,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2020-10-24 00:06:32,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1453. [2020-10-24 00:06:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1453 states. [2020-10-24 00:06:32,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 1674 transitions. [2020-10-24 00:06:32,252 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 1674 transitions. Word has length 277 [2020-10-24 00:06:32,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:32,252 INFO L481 AbstractCegarLoop]: Abstraction has 1453 states and 1674 transitions. [2020-10-24 00:06:32,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:06:32,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1674 transitions. [2020-10-24 00:06:32,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-24 00:06:32,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:32,262 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:32,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:06:32,262 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]=== [2020-10-24 00:06:32,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:32,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1331303349, now seen corresponding path program 1 times [2020-10-24 00:06:32,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:32,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213246356] [2020-10-24 00:06:32,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,656 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:32,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-24 00:06:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-24 00:06:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:32,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:32,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:06:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:06:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-24 00:06:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:06:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-24 00:06:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 00:06:32,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213246356] [2020-10-24 00:06:32,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:32,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 00:06:32,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056813416] [2020-10-24 00:06:32,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 00:06:32,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:32,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 00:06:32,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:06:32,931 INFO L87 Difference]: Start difference. First operand 1453 states and 1674 transitions. Second operand 12 states. [2020-10-24 00:06:34,577 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:35,009 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:35,470 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:06:35,887 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:36,275 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:36,629 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:38,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:38,464 INFO L93 Difference]: Finished difference Result 3268 states and 4057 transitions. [2020-10-24 00:06:38,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:06:38,464 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 268 [2020-10-24 00:06:38,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:38,477 INFO L225 Difference]: With dead ends: 3268 [2020-10-24 00:06:38,477 INFO L226 Difference]: Without dead ends: 1930 [2020-10-24 00:06:38,483 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:06:38,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1930 states. [2020-10-24 00:06:39,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1930 to 1493. [2020-10-24 00:06:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1493 states. [2020-10-24 00:06:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1493 states and 1714 transitions. [2020-10-24 00:06:39,209 INFO L78 Accepts]: Start accepts. Automaton has 1493 states and 1714 transitions. Word has length 268 [2020-10-24 00:06:39,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:39,210 INFO L481 AbstractCegarLoop]: Abstraction has 1493 states and 1714 transitions. [2020-10-24 00:06:39,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 00:06:39,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1714 transitions. [2020-10-24 00:06:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-24 00:06:39,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:39,220 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:39,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:06:39,220 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]=== [2020-10-24 00:06:39,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:39,220 INFO L82 PathProgramCache]: Analyzing trace with hash 269957099, now seen corresponding path program 1 times [2020-10-24 00:06:39,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:39,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092717757] [2020-10-24 00:06:39,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,623 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:39,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-24 00:06:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-24 00:06:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:39,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:39,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:06:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-24 00:06:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-24 00:06:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:39,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:06:39,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-24 00:06:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:39,991 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 00:06:39,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092717757] [2020-10-24 00:06:39,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:39,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-24 00:06:39,992 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153021566] [2020-10-24 00:06:39,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:06:39,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:39,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:06:39,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:06:39,994 INFO L87 Difference]: Start difference. First operand 1493 states and 1714 transitions. Second operand 15 states. [2020-10-24 00:06:40,737 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:41,115 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:41,486 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:41,851 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:42,200 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:43,355 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:43,722 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:44,109 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:44,525 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:44,896 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:46,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:46,893 INFO L93 Difference]: Finished difference Result 2904 states and 3546 transitions. [2020-10-24 00:06:46,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:06:46,894 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 268 [2020-10-24 00:06:46,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:46,903 INFO L225 Difference]: With dead ends: 2904 [2020-10-24 00:06:46,903 INFO L226 Difference]: Without dead ends: 1526 [2020-10-24 00:06:46,909 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:06:46,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1526 states. [2020-10-24 00:06:47,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1526 to 1218. [2020-10-24 00:06:47,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-24 00:06:47,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1387 transitions. [2020-10-24 00:06:47,424 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1387 transitions. Word has length 268 [2020-10-24 00:06:47,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:47,425 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 1387 transitions. [2020-10-24 00:06:47,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:06:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1387 transitions. [2020-10-24 00:06:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-24 00:06:47,430 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:47,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:47,431 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:06:47,431 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]=== [2020-10-24 00:06:47,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:47,432 INFO L82 PathProgramCache]: Analyzing trace with hash -882439348, now seen corresponding path program 1 times [2020-10-24 00:06:47,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:47,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378915006] [2020-10-24 00:06:47,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,819 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:47,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:47,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:06:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:06:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:06:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-24 00:06:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:06:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-24 00:06:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-24 00:06:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-24 00:06:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:47,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-24 00:06:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 00:06:48,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378915006] [2020-10-24 00:06:48,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:48,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 00:06:48,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158517288] [2020-10-24 00:06:48,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 00:06:48,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:48,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 00:06:48,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:06:48,070 INFO L87 Difference]: Start difference. First operand 1218 states and 1387 transitions. Second operand 9 states. [2020-10-24 00:06:48,945 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:49,842 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:54,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:54,093 INFO L93 Difference]: Finished difference Result 2838 states and 3441 transitions. [2020-10-24 00:06:54,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-24 00:06:54,093 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 278 [2020-10-24 00:06:54,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:54,104 INFO L225 Difference]: With dead ends: 2838 [2020-10-24 00:06:54,104 INFO L226 Difference]: Without dead ends: 1955 [2020-10-24 00:06:54,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 60 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2020-10-24 00:06:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2020-10-24 00:06:54,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1495. [2020-10-24 00:06:54,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1495 states. [2020-10-24 00:06:54,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 1495 states and 1692 transitions. [2020-10-24 00:06:54,734 INFO L78 Accepts]: Start accepts. Automaton has 1495 states and 1692 transitions. Word has length 278 [2020-10-24 00:06:54,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:54,735 INFO L481 AbstractCegarLoop]: Abstraction has 1495 states and 1692 transitions. [2020-10-24 00:06:54,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 00:06:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 1692 transitions. [2020-10-24 00:06:54,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-24 00:06:54,741 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:54,742 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:54,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:06:54,742 INFO L429 AbstractCegarLoop]: === Iteration 11 === [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]=== [2020-10-24 00:06:54,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:54,742 INFO L82 PathProgramCache]: Analyzing trace with hash -1267262861, now seen corresponding path program 1 times [2020-10-24 00:06:54,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:54,743 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842548059] [2020-10-24 00:06:54,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,190 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:55,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:06:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:06:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:06:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:06:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-24 00:06:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-24 00:06:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:06:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-24 00:06:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:55,516 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 00:06:55,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842548059] [2020-10-24 00:06:55,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:55,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-24 00:06:55,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856112145] [2020-10-24 00:06:55,517 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:06:55,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:55,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:06:55,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:06:55,518 INFO L87 Difference]: Start difference. First operand 1495 states and 1692 transitions. Second operand 14 states. [2020-10-24 00:06:56,177 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:57,136 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:58,095 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:58,475 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:58,904 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:59,294 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:59,683 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:07:00,056 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:07:00,419 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:00,835 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:07:01,277 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:07:01,659 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:07:04,211 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:07:04,625 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:06,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:07:06,175 INFO L93 Difference]: Finished difference Result 3606 states and 4443 transitions. [2020-10-24 00:07:06,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-24 00:07:06,176 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 273 [2020-10-24 00:07:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:07:06,191 INFO L225 Difference]: With dead ends: 3606 [2020-10-24 00:07:06,191 INFO L226 Difference]: Without dead ends: 2446 [2020-10-24 00:07:06,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 59 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=562, Invalid=1508, Unknown=0, NotChecked=0, Total=2070 [2020-10-24 00:07:06,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2020-10-24 00:07:07,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 1766. [2020-10-24 00:07:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1766 states. [2020-10-24 00:07:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1766 states and 2021 transitions. [2020-10-24 00:07:07,030 INFO L78 Accepts]: Start accepts. Automaton has 1766 states and 2021 transitions. Word has length 273 [2020-10-24 00:07:07,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:07:07,031 INFO L481 AbstractCegarLoop]: Abstraction has 1766 states and 2021 transitions. [2020-10-24 00:07:07,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:07:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2021 transitions. [2020-10-24 00:07:07,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-24 00:07:07,037 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:07:07,037 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:07:07,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:07:07,037 INFO L429 AbstractCegarLoop]: === Iteration 12 === [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]=== [2020-10-24 00:07:07,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:07:07,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1883998154, now seen corresponding path program 2 times [2020-10-24 00:07:07,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:07:07,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [762439206] [2020-10-24 00:07:07,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:07:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:07:07,111 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:07:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:07:07,178 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:07:07,599 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 00:07:07,599 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 00:07:07,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:07:07,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:07:07 BoogieIcfgContainer [2020-10-24 00:07:07,899 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:07:07,901 INFO L168 Benchmark]: Toolchain (without parser) took 83532.19 ms. Allocated memory was 155.2 MB in the beginning and 973.1 MB in the end (delta: 817.9 MB). Free memory was 131.4 MB in the beginning and 826.7 MB in the end (delta: -695.3 MB). Peak memory consumption was 584.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:07:07,902 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:07:07,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.25 ms. Allocated memory is still 155.2 MB. Free memory was 130.8 MB in the beginning and 109.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:07:07,903 INFO L168 Benchmark]: Boogie Preprocessor took 93.41 ms. Allocated memory is still 155.2 MB. Free memory was 109.9 MB in the beginning and 135.7 MB in the end (delta: -25.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2020-10-24 00:07:07,903 INFO L168 Benchmark]: RCFGBuilder took 1160.34 ms. Allocated memory is still 155.2 MB. Free memory was 135.7 MB in the beginning and 123.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 8.0 GB. [2020-10-24 00:07:07,904 INFO L168 Benchmark]: TraceAbstraction took 81570.71 ms. Allocated memory was 155.2 MB in the beginning and 973.1 MB in the end (delta: 817.9 MB). Free memory was 123.2 MB in the beginning and 826.7 MB in the end (delta: -703.5 MB). Peak memory consumption was 574.2 MB. Max. memory is 8.0 GB. [2020-10-24 00:07:07,906 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 106.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 694.25 ms. Allocated memory is still 155.2 MB. Free memory was 130.8 MB in the beginning and 109.9 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.41 ms. Allocated memory is still 155.2 MB. Free memory was 109.9 MB in the beginning and 135.7 MB in the end (delta: -25.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1160.34 ms. Allocated memory is still 155.2 MB. Free memory was 135.7 MB in the beginning and 123.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 81570.71 ms. Allocated memory was 155.2 MB in the beginning and 973.1 MB in the end (delta: 817.9 MB). Free memory was 123.2 MB in the beginning and 826.7 MB in the end (delta: -703.5 MB). Peak memory consumption was 574.2 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: [L240] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=179, \old(head)=164, \old(head)=182, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=141, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=147, pumpRunning=139, systemActive=138, waterLevel=141] [L557] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=179, \old(head)=164, \old(head)=182, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=141, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=138, waterLevel=141] [L558] int systemActive = 1; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=141, cleanupTimeShifts=179, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=141] [L759] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=141] [L855] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=179, \old(head)=182, \old(head)=164, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=1] [L856] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=179, \old(head)=164, \old(head)=182, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L832] 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] [L833] 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] [L837] 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] [L838] 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] [L839] 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] [L466] 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] [L469] 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] [L470] 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] [L839] 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] [L839] 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] [L841] 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] [L843] 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] [L844] 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] [L826] 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] [L482] 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] [L483] 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] [L484] 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] [L485] 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] [L486] 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] [L489] 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] [L491] 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] [L493] 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] [L499] 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] [L501] 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] [L503] 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] [L873] 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] [L874] 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] [L503] 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] [L509] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L511] COND FALSE !(\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=0, waterLevel=2] [L519] 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=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L521] COND TRUE \read(tmp___2) 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=0, tmp___2=1, waterLevel=2] [L523] CALL startSystem() 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] [L745] systemActive = 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] [L523] RET startSystem() 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=0, tmp___2=1, waterLevel=2] [L538] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L571] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L593] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L596] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L708] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L709] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L710] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L714] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L935] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L938] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L942] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L943] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L714] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L714] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L716] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L719] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L721] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L722] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L598] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L600] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L602] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L627] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L631] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L652] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L894] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L897] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L898] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L658] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L631] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L631] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L633] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L637] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L621] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L637] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L602] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L573] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L579] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L46] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L47] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L51] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L926] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L929] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L930] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L51] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L51] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L53] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L579] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L538] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L491] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L493] 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=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L499] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L501] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L509] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L511] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L519] 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=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L521] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L523] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L745] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L523] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L538] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L564] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L566] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L861] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L862] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L566] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L571] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L573] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L593] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L596] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L611] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L573] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L579] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L46] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L47] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L51] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L926] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L929] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L930] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L51] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L51] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L53] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L579] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L538] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L491] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L493] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L499] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L501] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L509] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L511] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L519] 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=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L521] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L523] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L745] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L523] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L538] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L564] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L566] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L861] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L862] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L566] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L571] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L573] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L593] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L596] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L611] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L573] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L579] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L46] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L47] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L51] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L926] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L929] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L930] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L51] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L51] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L53] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L55] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L663] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L666] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L667] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L55] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L55] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L57] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L59] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L754] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product44.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 638 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 81.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 67.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3012 SDtfs, 8605 SDslu, 6925 SDs, 0 SdLazy, 14203 SolverSat, 2956 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 626 GetRequests, 397 SyntacticMatches, 9 SemanticMatches, 220 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1241 ImplicationChecksByTransitivity, 32.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1766occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 2931 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 2701 NumberOfCodeBlocks, 2701 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2366 ConstructedInterpolants, 0 QuantifiedInterpolants, 1223271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 231/244 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...