/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 21:45:16,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 21:45:16,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 21:45:16,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 21:45:16,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 21:45:16,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 21:45:16,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 21:45:16,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 21:45:16,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 21:45:16,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 21:45:16,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 21:45:16,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 21:45:16,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 21:45:16,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 21:45:16,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 21:45:16,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 21:45:16,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 21:45:17,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 21:45:17,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 21:45:17,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 21:45:17,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 21:45:17,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 21:45:17,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 21:45:17,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 21:45:17,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 21:45:17,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 21:45:17,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 21:45:17,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 21:45:17,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 21:45:17,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 21:45:17,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 21:45:17,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 21:45:17,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 21:45:17,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 21:45:17,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 21:45:17,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 21:45:17,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 21:45:17,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 21:45:17,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 21:45:17,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 21:45:17,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 21:45:17,067 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 21:45:17,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 21:45:17,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 21:45:17,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 21:45:17,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 21:45:17,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 21:45:17,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 21:45:17,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 21:45:17,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 21:45:17,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 21:45:17,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 21:45:17,070 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 21:45:17,070 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 21:45:17,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 21:45:17,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 21:45:17,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 21:45:17,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 21:45:17,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 21:45:17,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 21:45:17,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 21:45:17,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 21:45:17,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 21:45:17,486 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 21:45:17,487 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 21:45:17,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2021-02-23 21:45:17,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c6d796e/cc8e7843efc54e82886b325366438021/FLAG062290c29 [2021-02-23 21:45:18,252 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 21:45:18,254 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c [2021-02-23 21:45:18,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c6d796e/cc8e7843efc54e82886b325366438021/FLAG062290c29 [2021-02-23 21:45:18,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75c6d796e/cc8e7843efc54e82886b325366438021 [2021-02-23 21:45:18,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 21:45:18,543 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 21:45:18,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 21:45:18,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 21:45:18,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 21:45:18,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 09:45:18" (1/1) ... [2021-02-23 21:45:18,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@476a6eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:18, skipping insertion in model container [2021-02-23 21:45:18,553 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 09:45:18" (1/1) ... [2021-02-23 21:45:18,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 21:45:18,630 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 21:45:18,816 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c[2740,2753] [2021-02-23 21:45:18,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 21:45:18,937 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 21:45:18,964 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product35.cil.c[2740,2753] [2021-02-23 21:45:19,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 21:45:19,097 INFO L208 MainTranslator]: Completed translation [2021-02-23 21:45:19,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19 WrapperNode [2021-02-23 21:45:19,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 21:45:19,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 21:45:19,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 21:45:19,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 21:45:19,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (1/1) ... [2021-02-23 21:45:19,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (1/1) ... [2021-02-23 21:45:19,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (1/1) ... [2021-02-23 21:45:19,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (1/1) ... [2021-02-23 21:45:19,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (1/1) ... [2021-02-23 21:45:19,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (1/1) ... [2021-02-23 21:45:19,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (1/1) ... [2021-02-23 21:45:19,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 21:45:19,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 21:45:19,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 21:45:19,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 21:45:19,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (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 [2021-02-23 21:45:19,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 21:45:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 21:45:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 21:45:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 21:45:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 21:45:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 21:45:19,367 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 21:45:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 21:45:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 21:45:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 21:45:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 21:45:19,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 21:45:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-23 21:45:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 21:45:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 21:45:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 21:45:19,369 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 21:45:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 21:45:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 21:45:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 21:45:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 21:45:19,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 21:45:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 21:45:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-23 21:45:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 21:45:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 21:45:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 21:45:19,371 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 21:45:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 21:45:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 21:45:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 21:45:19,372 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 21:45:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 21:45:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 21:45:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 21:45:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 21:45:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 21:45:19,373 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 21:45:19,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 21:45:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 21:45:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 21:45:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 21:45:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 21:45:19,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 21:45:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 21:45:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 21:45:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 21:45:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 21:45:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 21:45:19,375 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 21:45:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 21:45:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 21:45:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 21:45:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 21:45:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-23 21:45:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-23 21:45:19,376 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 21:45:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 21:45:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 21:45:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 21:45:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 21:45:19,377 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 21:45:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 21:45:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 21:45:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 21:45:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 21:45:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 21:45:19,378 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 21:45:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 21:45:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 21:45:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 21:45:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 21:45:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 21:45:19,379 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 21:45:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 21:45:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 21:45:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 21:45:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 21:45:19,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 21:45:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 21:45:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 21:45:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 21:45:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 21:45:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 21:45:19,381 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 21:45:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 21:45:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 21:45:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 21:45:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 21:45:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 21:45:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 21:45:19,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 21:45:20,522 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 21:45:20,522 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 21:45:20,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 09:45:20 BoogieIcfgContainer [2021-02-23 21:45:20,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 21:45:20,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 21:45:20,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 21:45:20,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 21:45:20,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 09:45:18" (1/3) ... [2021-02-23 21:45:20,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d22d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 09:45:20, skipping insertion in model container [2021-02-23 21:45:20,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 09:45:19" (2/3) ... [2021-02-23 21:45:20,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48d22d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 09:45:20, skipping insertion in model container [2021-02-23 21:45:20,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 09:45:20" (3/3) ... [2021-02-23 21:45:20,535 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35.cil.c [2021-02-23 21:45:20,542 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 21:45:20,548 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 21:45:20,569 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 21:45:20,597 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 21:45:20,597 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 21:45:20,597 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 21:45:20,597 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 21:45:20,598 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 21:45:20,623 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 21:45:20,623 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 21:45:20,623 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 21:45:20,661 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states. [2021-02-23 21:45:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-23 21:45:20,685 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:20,686 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] [2021-02-23 21:45:20,686 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:20,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:20,693 INFO L82 PathProgramCache]: Analyzing trace with hash 200773651, now seen corresponding path program 1 times [2021-02-23 21:45:20,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:20,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032696360] [2021-02-23 21:45:20,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,420 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:21,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 21:45:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-23 21:45:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:21,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:21,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:21,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032696360] [2021-02-23 21:45:21,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:21,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-23 21:45:21,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694449162] [2021-02-23 21:45:21,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-23 21:45:21,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:21,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-23 21:45:21,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-23 21:45:21,690 INFO L87 Difference]: Start difference. First operand 299 states. Second operand 3 states. [2021-02-23 21:45:23,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:23,296 INFO L93 Difference]: Finished difference Result 445 states and 530 transitions. [2021-02-23 21:45:23,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 21:45:23,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-23 21:45:23,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:23,338 INFO L225 Difference]: With dead ends: 445 [2021-02-23 21:45:23,338 INFO L226 Difference]: Without dead ends: 282 [2021-02-23 21:45:23,352 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 [2021-02-23 21:45:23,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-02-23 21:45:23,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 241. [2021-02-23 21:45:23,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2021-02-23 21:45:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 260 transitions. [2021-02-23 21:45:23,563 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 260 transitions. Word has length 147 [2021-02-23 21:45:23,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:23,565 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 260 transitions. [2021-02-23 21:45:23,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-23 21:45:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 260 transitions. [2021-02-23 21:45:23,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-23 21:45:23,569 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:23,570 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] [2021-02-23 21:45:23,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 21:45:23,570 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:23,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:23,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1252453828, now seen corresponding path program 1 times [2021-02-23 21:45:23,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:23,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041625034] [2021-02-23 21:45:23,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:23,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:23,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:23,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:23,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:23,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:23,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:23,994 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:23,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:24,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:24,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:24,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:24,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:24,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:24,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:24,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:24,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:24,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:24,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:24,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:24,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:24,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:24,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 21:45:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:24,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:24,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:24,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-23 21:45:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:24,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:24,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:24,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041625034] [2021-02-23 21:45:24,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:24,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 21:45:24,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829498283] [2021-02-23 21:45:24,147 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 21:45:24,148 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:24,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 21:45:24,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 21:45:24,149 INFO L87 Difference]: Start difference. First operand 241 states and 260 transitions. Second operand 4 states. [2021-02-23 21:45:24,965 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:25,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:25,926 INFO L93 Difference]: Finished difference Result 352 states and 394 transitions. [2021-02-23 21:45:25,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 21:45:25,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-23 21:45:25,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:25,933 INFO L225 Difference]: With dead ends: 352 [2021-02-23 21:45:25,933 INFO L226 Difference]: Without dead ends: 265 [2021-02-23 21:45:25,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 21:45:25,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2021-02-23 21:45:26,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 231. [2021-02-23 21:45:26,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2021-02-23 21:45:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 247 transitions. [2021-02-23 21:45:26,066 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 247 transitions. Word has length 148 [2021-02-23 21:45:26,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:26,070 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 247 transitions. [2021-02-23 21:45:26,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 21:45:26,070 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 247 transitions. [2021-02-23 21:45:26,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-02-23 21:45:26,075 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:26,075 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] [2021-02-23 21:45:26,076 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 21:45:26,076 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:26,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:26,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1280243524, now seen corresponding path program 1 times [2021-02-23 21:45:26,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:26,078 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838635345] [2021-02-23 21:45:26,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:26,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:26,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:26,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:26,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:26,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:26,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:26,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,617 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:26,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 21:45:26,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:45:26,745 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-23 21:45:26,747 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-23 21:45:26,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-23 21:45:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-02-23 21:45:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:26,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:26,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:26,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838635345] [2021-02-23 21:45:26,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:26,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 21:45:26,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478231629] [2021-02-23 21:45:26,866 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 21:45:26,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:26,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 21:45:26,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 21:45:26,867 INFO L87 Difference]: Start difference. First operand 231 states and 247 transitions. Second operand 9 states. [2021-02-23 21:45:27,453 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:45:27,916 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 21:45:28,321 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 21:45:28,712 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:29,067 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 21:45:29,447 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:30,527 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:32,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:32,437 INFO L93 Difference]: Finished difference Result 590 states and 676 transitions. [2021-02-23 21:45:32,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 21:45:32,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2021-02-23 21:45:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:32,445 INFO L225 Difference]: With dead ends: 590 [2021-02-23 21:45:32,445 INFO L226 Difference]: Without dead ends: 474 [2021-02-23 21:45:32,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-02-23 21:45:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-02-23 21:45:32,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 399. [2021-02-23 21:45:32,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-02-23 21:45:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 441 transitions. [2021-02-23 21:45:32,652 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 441 transitions. Word has length 157 [2021-02-23 21:45:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:32,653 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 441 transitions. [2021-02-23 21:45:32,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 21:45:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 441 transitions. [2021-02-23 21:45:32,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-23 21:45:32,656 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:32,656 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] [2021-02-23 21:45:32,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 21:45:32,657 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:32,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:32,657 INFO L82 PathProgramCache]: Analyzing trace with hash -292891377, now seen corresponding path program 1 times [2021-02-23 21:45:32,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:32,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745088243] [2021-02-23 21:45:32,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:32,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:32,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:32,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:32,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:32,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:32,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:32,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:32,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:32,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:32,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:32,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:32,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:32,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,057 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:33,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:33,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-23 21:45:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:33,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:45:33,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:45:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-23 21:45:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-23 21:45:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:33,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:33,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:33,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745088243] [2021-02-23 21:45:33,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:33,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 21:45:33,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647949528] [2021-02-23 21:45:33,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 21:45:33,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:33,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 21:45:33,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 21:45:33,250 INFO L87 Difference]: Start difference. First operand 399 states and 441 transitions. Second operand 6 states. [2021-02-23 21:45:33,932 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:45:35,771 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:36,446 INFO L93 Difference]: Finished difference Result 989 states and 1162 transitions. [2021-02-23 21:45:36,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 21:45:36,449 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2021-02-23 21:45:36,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:36,457 INFO L225 Difference]: With dead ends: 989 [2021-02-23 21:45:36,457 INFO L226 Difference]: Without dead ends: 705 [2021-02-23 21:45:36,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-02-23 21:45:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2021-02-23 21:45:36,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 589. [2021-02-23 21:45:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2021-02-23 21:45:36,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 651 transitions. [2021-02-23 21:45:36,723 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 651 transitions. Word has length 165 [2021-02-23 21:45:36,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:36,724 INFO L480 AbstractCegarLoop]: Abstraction has 589 states and 651 transitions. [2021-02-23 21:45:36,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 21:45:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 651 transitions. [2021-02-23 21:45:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-23 21:45:36,727 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:36,727 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] [2021-02-23 21:45:36,727 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 21:45:36,727 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:36,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:36,728 INFO L82 PathProgramCache]: Analyzing trace with hash 534534560, now seen corresponding path program 1 times [2021-02-23 21:45:36,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:36,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2007469058] [2021-02-23 21:45:36,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:36,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:36,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:36,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:36,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:36,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:36,800 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:36,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:36,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:36,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:36,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:36,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:36,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:36,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:36,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:36,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,153 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:37,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:37,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-02-23 21:45:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 21:45:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:37,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:37,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 21:45:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:37,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:37,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:37,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:37,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2007469058] [2021-02-23 21:45:37,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:37,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 21:45:37,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342706227] [2021-02-23 21:45:37,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 21:45:37,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:37,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 21:45:37,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-02-23 21:45:37,368 INFO L87 Difference]: Start difference. First operand 589 states and 651 transitions. Second operand 9 states. [2021-02-23 21:45:37,999 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:45:39,172 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:39,579 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 21:45:39,987 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:40,384 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:45:40,779 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 21:45:41,159 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:41,552 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:42,084 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:43,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:43,694 INFO L93 Difference]: Finished difference Result 1582 states and 1841 transitions. [2021-02-23 21:45:43,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 21:45:43,695 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 166 [2021-02-23 21:45:43,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:43,703 INFO L225 Difference]: With dead ends: 1582 [2021-02-23 21:45:43,703 INFO L226 Difference]: Without dead ends: 1108 [2021-02-23 21:45:43,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2021-02-23 21:45:43,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2021-02-23 21:45:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 980. [2021-02-23 21:45:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2021-02-23 21:45:44,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1091 transitions. [2021-02-23 21:45:44,316 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1091 transitions. Word has length 166 [2021-02-23 21:45:44,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:44,316 INFO L480 AbstractCegarLoop]: Abstraction has 980 states and 1091 transitions. [2021-02-23 21:45:44,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 21:45:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1091 transitions. [2021-02-23 21:45:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-02-23 21:45:44,320 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:44,320 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] [2021-02-23 21:45:44,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 21:45:44,321 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:44,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:44,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1986101350, now seen corresponding path program 1 times [2021-02-23 21:45:44,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:44,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359476450] [2021-02-23 21:45:44,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,710 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 21:45:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-23 21:45:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-23 21:45:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-02-23 21:45:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:44,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:44,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:44,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:44,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:44,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359476450] [2021-02-23 21:45:44,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:44,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 21:45:44,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581734987] [2021-02-23 21:45:44,883 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 21:45:44,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:44,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 21:45:44,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 21:45:44,884 INFO L87 Difference]: Start difference. First operand 980 states and 1091 transitions. Second operand 10 states. [2021-02-23 21:45:45,523 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:45:47,003 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:47,387 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 21:45:47,799 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:48,213 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 21:45:48,558 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:49,211 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:45:49,594 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:50,000 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:51,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:51,044 INFO L93 Difference]: Finished difference Result 1240 states and 1454 transitions. [2021-02-23 21:45:51,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-23 21:45:51,045 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 171 [2021-02-23 21:45:51,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:51,052 INFO L225 Difference]: With dead ends: 1240 [2021-02-23 21:45:51,052 INFO L226 Difference]: Without dead ends: 1237 [2021-02-23 21:45:51,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-23 21:45:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2021-02-23 21:45:51,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 980. [2021-02-23 21:45:51,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2021-02-23 21:45:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1088 transitions. [2021-02-23 21:45:51,584 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1088 transitions. Word has length 171 [2021-02-23 21:45:51,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:51,584 INFO L480 AbstractCegarLoop]: Abstraction has 980 states and 1088 transitions. [2021-02-23 21:45:51,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 21:45:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1088 transitions. [2021-02-23 21:45:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-02-23 21:45:51,589 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:51,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:45:51,589 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 21:45:51,589 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:51,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:51,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1674780570, now seen corresponding path program 1 times [2021-02-23 21:45:51,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:51,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2073871465] [2021-02-23 21:45:51,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:51,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:51,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:51,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:51,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:51,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:51,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:51,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:51,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:51,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:51,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,009 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:52,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:45:52,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:45:52,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 21:45:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 21:45:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:45:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:52,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:52,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 21:45:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:52,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:52,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 21:45:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-23 21:45:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-02-23 21:45:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:52,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:52,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:52,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2073871465] [2021-02-23 21:45:52,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:52,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-23 21:45:52,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407279561] [2021-02-23 21:45:52,252 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 21:45:52,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:52,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 21:45:52,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2021-02-23 21:45:52,253 INFO L87 Difference]: Start difference. First operand 980 states and 1088 transitions. Second operand 13 states. [2021-02-23 21:45:52,947 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:45:53,318 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 21:45:53,695 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:54,046 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 21:45:54,346 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:55,321 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:55,709 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 21:45:56,092 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:56,487 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 21:45:56,827 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:45:58,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:45:58,397 INFO L93 Difference]: Finished difference Result 2258 states and 2701 transitions. [2021-02-23 21:45:58,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 21:45:58,399 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 195 [2021-02-23 21:45:58,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:45:58,409 INFO L225 Difference]: With dead ends: 2258 [2021-02-23 21:45:58,409 INFO L226 Difference]: Without dead ends: 1393 [2021-02-23 21:45:58,413 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2021-02-23 21:45:58,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2021-02-23 21:45:58,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1004. [2021-02-23 21:45:58,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1004 states. [2021-02-23 21:45:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 1004 states and 1112 transitions. [2021-02-23 21:45:58,921 INFO L78 Accepts]: Start accepts. Automaton has 1004 states and 1112 transitions. Word has length 195 [2021-02-23 21:45:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:45:58,921 INFO L480 AbstractCegarLoop]: Abstraction has 1004 states and 1112 transitions. [2021-02-23 21:45:58,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 21:45:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1112 transitions. [2021-02-23 21:45:58,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-02-23 21:45:58,925 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:45:58,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:45:58,926 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 21:45:58,926 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:45:58,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:45:58,927 INFO L82 PathProgramCache]: Analyzing trace with hash -252539706, now seen corresponding path program 1 times [2021-02-23 21:45:58,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:45:58,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972955672] [2021-02-23 21:45:58,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:45:58,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:58,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:58,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:58,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:58,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,256 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:45:59,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:45:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:45:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:45:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:45:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:45:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 21:45:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 21:45:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:59,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:45:59,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:45:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:45:59,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:45:59,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 21:45:59,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 21:45:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 21:45:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-23 21:45:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-02-23 21:45:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:45:59,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:45:59,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:45:59,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:45:59,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972955672] [2021-02-23 21:45:59,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:45:59,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 21:45:59,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800252917] [2021-02-23 21:45:59,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 21:45:59,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:45:59,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 21:45:59,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-23 21:45:59,528 INFO L87 Difference]: Start difference. First operand 1004 states and 1112 transitions. Second operand 10 states. [2021-02-23 21:46:00,925 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-23 21:46:01,298 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 21:46:01,751 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 21:46:02,163 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:46:02,559 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 21:46:02,902 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 21:46:04,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:46:04,033 INFO L93 Difference]: Finished difference Result 2294 states and 2704 transitions. [2021-02-23 21:46:04,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 21:46:04,034 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 195 [2021-02-23 21:46:04,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:46:04,043 INFO L225 Difference]: With dead ends: 2294 [2021-02-23 21:46:04,043 INFO L226 Difference]: Without dead ends: 1405 [2021-02-23 21:46:04,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-02-23 21:46:04,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1405 states. [2021-02-23 21:46:04,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1405 to 1036. [2021-02-23 21:46:04,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2021-02-23 21:46:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1144 transitions. [2021-02-23 21:46:04,520 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1144 transitions. Word has length 195 [2021-02-23 21:46:04,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:46:04,521 INFO L480 AbstractCegarLoop]: Abstraction has 1036 states and 1144 transitions. [2021-02-23 21:46:04,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 21:46:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1144 transitions. [2021-02-23 21:46:04,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-02-23 21:46:04,525 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:46:04,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:46:04,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 21:46:04,526 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:46:04,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:46:04,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1466431799, now seen corresponding path program 1 times [2021-02-23 21:46:04,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:46:04,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457634528] [2021-02-23 21:46:04,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:46:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:04,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:04,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:04,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:04,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 21:46:04,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,859 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-23 21:46:04,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 21:46:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 21:46:04,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 21:46:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-23 21:46:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-23 21:46:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-23 21:46:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-23 21:46:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-23 21:46:04,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 21:46:04,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 21:46:04,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:46:04,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 21:46:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 21:46:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 21:46:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-23 21:46:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:04,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-02-23 21:46:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 21:46:04,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 21:46:04,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 21:46:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 21:46:05,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457634528] [2021-02-23 21:46:05,025 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 21:46:05,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 21:46:05,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850120226] [2021-02-23 21:46:05,026 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 21:46:05,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 21:46:05,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 21:46:05,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-23 21:46:05,027 INFO L87 Difference]: Start difference. First operand 1036 states and 1144 transitions. Second operand 7 states. [2021-02-23 21:46:05,625 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:46:06,318 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-23 21:46:09,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 21:46:09,452 INFO L93 Difference]: Finished difference Result 3479 states and 4220 transitions. [2021-02-23 21:46:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 21:46:09,453 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 195 [2021-02-23 21:46:09,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 21:46:09,468 INFO L225 Difference]: With dead ends: 3479 [2021-02-23 21:46:09,469 INFO L226 Difference]: Without dead ends: 2558 [2021-02-23 21:46:09,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-02-23 21:46:09,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2021-02-23 21:46:10,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2080. [2021-02-23 21:46:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2021-02-23 21:46:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 2360 transitions. [2021-02-23 21:46:10,339 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 2360 transitions. Word has length 195 [2021-02-23 21:46:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 21:46:10,340 INFO L480 AbstractCegarLoop]: Abstraction has 2080 states and 2360 transitions. [2021-02-23 21:46:10,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 21:46:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2360 transitions. [2021-02-23 21:46:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-02-23 21:46:10,345 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 21:46:10,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 21:46:10,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 21:46:10,345 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 21:46:10,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 21:46:10,346 INFO L82 PathProgramCache]: Analyzing trace with hash 662885767, now seen corresponding path program 1 times [2021-02-23 21:46:10,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 21:46:10,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1937801964] [2021-02-23 21:46:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 21:46:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 21:46:10,416 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 21:46:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 21:46:10,483 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 21:46:10,686 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 21:46:10,686 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 21:46:10,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 21:46:10,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 09:46:10 BoogieIcfgContainer [2021-02-23 21:46:10,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 21:46:10,975 INFO L168 Benchmark]: Toolchain (without parser) took 52432.17 ms. Allocated memory was 173.0 MB in the beginning and 842.0 MB in the end (delta: 669.0 MB). Free memory was 148.1 MB in the beginning and 320.3 MB in the end (delta: -172.2 MB). Peak memory consumption was 497.8 MB. Max. memory is 8.0 GB. [2021-02-23 21:46:10,975 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 173.0 MB. Free memory is still 146.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 21:46:10,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.79 ms. Allocated memory is still 173.0 MB. Free memory was 146.9 MB in the beginning and 126.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-23 21:46:10,976 INFO L168 Benchmark]: Boogie Preprocessor took 163.20 ms. Allocated memory is still 173.0 MB. Free memory was 126.6 MB in the beginning and 122.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 21:46:10,979 INFO L168 Benchmark]: RCFGBuilder took 1262.00 ms. Allocated memory is still 173.0 MB. Free memory was 122.8 MB in the beginning and 81.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 43.1 MB. Max. memory is 8.0 GB. [2021-02-23 21:46:10,979 INFO L168 Benchmark]: TraceAbstraction took 50437.27 ms. Allocated memory was 173.0 MB in the beginning and 842.0 MB in the end (delta: 669.0 MB). Free memory was 80.8 MB in the beginning and 320.3 MB in the end (delta: -239.4 MB). Peak memory consumption was 429.5 MB. Max. memory is 8.0 GB. [2021-02-23 21:46:10,980 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 173.0 MB. Free memory is still 146.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 551.79 ms. Allocated memory is still 173.0 MB. Free memory was 146.9 MB in the beginning and 126.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 163.20 ms. Allocated memory is still 173.0 MB. Free memory was 126.6 MB in the beginning and 122.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1262.00 ms. Allocated memory is still 173.0 MB. Free memory was 122.8 MB in the beginning and 81.3 MB in the end (delta: 41.5 MB). Peak memory consumption was 43.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50437.27 ms. Allocated memory was 173.0 MB in the beginning and 842.0 MB in the end (delta: 669.0 MB). Free memory was 80.8 MB in the beginning and 320.3 MB in the end (delta: -239.4 MB). Peak memory consumption was 429.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 147]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L49] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=178, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=178, head={182:170}, methaneLevelCritical=152, pumpRunning=141, systemActive=140, waterLevel=1] [L50] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=178, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=178, head={182:170}, methaneLevelCritical=0, pumpRunning=141, systemActive=140, waterLevel=1] [L252] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=178, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=178, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=140, waterLevel=1] [L253] int systemActive = 1; VAL [\old(cleanupTimeShifts)=178, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=178, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L457] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=178, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L722] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=178, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=152, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=148, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L530] 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] [L531] 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] [L535] 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] [L536] 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] [L537] 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] [L448] 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] [L451] 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] [L452] 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] [L537] 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] [L537] 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] [L539] 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] [L541] 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] [L542] 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] [L524] 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] [L183] 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] [L184] 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] [L185] 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] [L186] 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] [L187] 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] [L190] 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] [L192] 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] [L194] 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] [L200] 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] [L202] 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] [L204] 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] [L67] 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] [L68] 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] [L204] 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] [L210] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L212] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L214] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L79] COND FALSE !(\read(methaneLevelCritical)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L214] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L220] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L222] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L237] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L259] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L266] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L268] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L288] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L291] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L293] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L385] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L386] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L387] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L391] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L129] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L136] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L137] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L391] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L391] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L393] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L396] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L398] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L399] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L293] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L293] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L295] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L297] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L316] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L297] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L268] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L274] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L154] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L155] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L159] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L88] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L91] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L92] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L159] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L159] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L161] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L163] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L340] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L343] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L344] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L163] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L163] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L165] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L167] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L147] reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 621 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 50.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 39.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2064 SDtfs, 3939 SDslu, 4002 SDs, 0 SdLazy, 7384 SolverSat, 1209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 204 SyntacticMatches, 3 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 19.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2080occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 1887 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1739 NumberOfCodeBlocks, 1739 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1530 ConstructedInterpolants, 0 QuantifiedInterpolants, 691922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...