/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:49:55,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:49:55,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:49:55,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:49:55,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:49:55,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:49:55,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:49:55,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:49:55,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:49:55,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:49:55,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:49:55,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:49:55,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:49:55,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:49:55,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:49:55,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:49:55,563 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:49:55,564 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:49:55,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:49:55,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:49:55,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:49:55,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:49:55,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:49:55,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:49:55,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:49:55,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:49:55,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:49:55,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:49:55,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:49:55,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:49:55,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:49:55,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:49:55,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:49:55,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:49:55,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:49:55,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:49:55,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:49:55,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:49:55,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:49:55,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:49:55,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:49:55,612 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:49:55,628 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:49:55,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:49:55,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:49:55,630 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:49:55,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:49:55,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:49:55,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:49:55,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:49:55,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:49:55,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:49:55,633 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:49:55,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:49:55,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:49:55,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:49:55,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:49:55,634 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:49:55,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:49:55,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:49:55,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:49:55,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:49:55,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:49:55,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:49:55,635 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 20:49:56,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:49:56,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:49:56,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:49:56,075 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:49:56,075 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:49:56,077 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product39.cil.c [2020-09-04 20:49:56,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b95826938/58c6fbf164d54a1990735a41227b3c11/FLAGc9d0dd8d7 [2020-09-04 20:49:56,731 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:49:56,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product39.cil.c [2020-09-04 20:49:56,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b95826938/58c6fbf164d54a1990735a41227b3c11/FLAGc9d0dd8d7 [2020-09-04 20:49:57,031 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b95826938/58c6fbf164d54a1990735a41227b3c11 [2020-09-04 20:49:57,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:49:57,048 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:49:57,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:49:57,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:49:57,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:49:57,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57, skipping insertion in model container [2020-09-04 20:49:57,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:49:57,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:49:57,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:49:57,604 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:49:57,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:49:57,724 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:49:57,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57 WrapperNode [2020-09-04 20:49:57,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:49:57,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:49:57,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:49:57,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:49:57,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,838 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,843 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... [2020-09-04 20:49:57,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:49:57,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:49:57,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:49:57,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:49:57,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:49:57,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:49:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:49:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:49:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:49:57,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:49:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:49:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:49:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:49:57,966 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:49:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:49:57,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:49:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:49:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:49:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:49:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:49:57,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:49:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 20:49:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:49:57,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:49:57,970 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:49:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:49:57,971 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:49:57,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:49:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:49:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:49:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:49:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:49:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:49:57,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:49:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:49:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:49:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:49:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:49:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:49:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:49:57,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:49:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:49:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:49:57,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:49:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:49:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:49:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:49:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:49:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:49:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:49:57,977 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:49:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:49:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:49:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:49:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:49:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:49:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:49:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:49:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:49:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:49:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:49:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:49:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:49:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:49:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:49:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:49:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:49:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:49:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:49:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 20:49:57,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:49:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:49:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:49:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:49:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:49:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:49:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:49:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:49:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:49:57,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:49:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:49:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:49:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:49:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:49:57,983 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:49:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:49:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:49:57,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:49:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:49:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:49:57,985 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:49:57,986 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:49:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:49:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:49:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:49:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:49:57,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:49:59,308 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:49:59,308 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:49:59,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:49:59 BoogieIcfgContainer [2020-09-04 20:49:59,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:49:59,322 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:49:59,322 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:49:59,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:49:59,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:49:57" (1/3) ... [2020-09-04 20:49:59,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667b1b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:49:59, skipping insertion in model container [2020-09-04 20:49:59,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:49:57" (2/3) ... [2020-09-04 20:49:59,328 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667b1b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:49:59, skipping insertion in model container [2020-09-04 20:49:59,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:49:59" (3/3) ... [2020-09-04 20:49:59,330 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product39.cil.c [2020-09-04 20:49:59,343 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:49:59,354 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:49:59,377 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:49:59,408 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:49:59,408 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:49:59,408 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:49:59,408 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:49:59,409 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:49:59,409 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:49:59,409 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:49:59,409 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:49:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states. [2020-09-04 20:49:59,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-04 20:49:59,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:49:59,459 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] [2020-09-04 20:49:59,459 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:49:59,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:49:59,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1883472631, now seen corresponding path program 1 times [2020-09-04 20:49:59,480 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:49:59,480 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818831353] [2020-09-04 20:49:59,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:49:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,277 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:50:00,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:50:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:50:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:50:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:50:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:50:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:50:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:50:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:50:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:50:00,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818831353] [2020-09-04 20:50:00,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:50:00,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 20:50:00,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709585738] [2020-09-04 20:50:00,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 20:50:00,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:50:00,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 20:50:00,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:50:00,471 INFO L87 Difference]: Start difference. First operand 318 states. Second operand 3 states. [2020-09-04 20:50:01,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:50:01,862 INFO L93 Difference]: Finished difference Result 503 states and 601 transitions. [2020-09-04 20:50:01,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 20:50:01,864 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-04 20:50:01,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:50:01,884 INFO L225 Difference]: With dead ends: 503 [2020-09-04 20:50:01,885 INFO L226 Difference]: Without dead ends: 310 [2020-09-04 20:50:01,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:50:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2020-09-04 20:50:02,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 267. [2020-09-04 20:50:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-09-04 20:50:02,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 292 transitions. [2020-09-04 20:50:02,036 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 292 transitions. Word has length 153 [2020-09-04 20:50:02,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:50:02,037 INFO L479 AbstractCegarLoop]: Abstraction has 267 states and 292 transitions. [2020-09-04 20:50:02,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 20:50:02,037 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 292 transitions. [2020-09-04 20:50:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-04 20:50:02,042 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:50:02,042 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] [2020-09-04 20:50:02,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:50:02,043 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:50:02,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:50:02,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1086228284, now seen corresponding path program 1 times [2020-09-04 20:50:02,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:50:02,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107367236] [2020-09-04 20:50:02,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:50:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,474 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:50:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:50:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:50:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:50:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:50:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:50:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-04 20:50:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:50:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 20:50:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:02,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:50:02,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107367236] [2020-09-04 20:50:02,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:50:02,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:50:02,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754636491] [2020-09-04 20:50:02,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:50:02,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:50:02,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:50:02,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:50:02,567 INFO L87 Difference]: Start difference. First operand 267 states and 292 transitions. Second operand 4 states. [2020-09-04 20:50:03,205 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:50:04,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:50:04,363 INFO L93 Difference]: Finished difference Result 414 states and 468 transitions. [2020-09-04 20:50:04,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 20:50:04,364 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-04 20:50:04,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:50:04,369 INFO L225 Difference]: With dead ends: 414 [2020-09-04 20:50:04,369 INFO L226 Difference]: Without dead ends: 293 [2020-09-04 20:50:04,371 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:50:04,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2020-09-04 20:50:04,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 257. [2020-09-04 20:50:04,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-09-04 20:50:04,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 279 transitions. [2020-09-04 20:50:04,460 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 279 transitions. Word has length 154 [2020-09-04 20:50:04,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:50:04,461 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 279 transitions. [2020-09-04 20:50:04,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:50:04,462 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 279 transitions. [2020-09-04 20:50:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-04 20:50:04,464 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:50:04,465 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] [2020-09-04 20:50:04,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:50:04,465 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:50:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:50:04,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1753608415, now seen corresponding path program 1 times [2020-09-04 20:50:04,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:50:04,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285019553] [2020-09-04 20:50:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:50:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:04,935 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:50:04,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:50:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:50:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:50:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:50:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:50:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:50:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:50:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 20:50:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:50:05,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285019553] [2020-09-04 20:50:05,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:50:05,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:50:05,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197565147] [2020-09-04 20:50:05,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:50:05,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:50:05,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:50:05,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:50:05,269 INFO L87 Difference]: Start difference. First operand 257 states and 279 transitions. Second operand 9 states. [2020-09-04 20:50:05,839 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:50:06,191 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:50:06,533 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:50:06,869 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:50:07,181 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:50:07,486 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:50:08,465 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:50:11,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:50:11,014 INFO L93 Difference]: Finished difference Result 693 states and 800 transitions. [2020-09-04 20:50:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 20:50:11,020 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-09-04 20:50:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:50:11,024 INFO L225 Difference]: With dead ends: 693 [2020-09-04 20:50:11,025 INFO L226 Difference]: Without dead ends: 546 [2020-09-04 20:50:11,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-09-04 20:50:11,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2020-09-04 20:50:11,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 479. [2020-09-04 20:50:11,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2020-09-04 20:50:11,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 538 transitions. [2020-09-04 20:50:11,214 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 538 transitions. Word has length 163 [2020-09-04 20:50:11,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:50:11,215 INFO L479 AbstractCegarLoop]: Abstraction has 479 states and 538 transitions. [2020-09-04 20:50:11,215 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:50:11,215 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 538 transitions. [2020-09-04 20:50:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-04 20:50:11,219 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:50:11,219 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:50:11,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:50:11,220 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:50:11,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:50:11,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1156257497, now seen corresponding path program 1 times [2020-09-04 20:50:11,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:50:11,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582819293] [2020-09-04 20:50:11,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:50:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,591 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:50:11,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:50:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:50:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:50:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:50:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:50:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-04 20:50:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-09-04 20:50:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-04 20:50:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 20:50:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:50:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:50:11,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582819293] [2020-09-04 20:50:11,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:50:11,777 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:50:11,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498767622] [2020-09-04 20:50:11,778 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:50:11,778 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:50:11,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:50:11,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:50:11,780 INFO L87 Difference]: Start difference. First operand 479 states and 538 transitions. Second operand 9 states. [2020-09-04 20:50:12,324 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:50:14,520 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:50:14,910 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:50:15,268 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:50:15,631 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:50:15,964 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:50:16,219 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:50:16,515 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:50:17,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:50:17,507 INFO L93 Difference]: Finished difference Result 1296 states and 1567 transitions. [2020-09-04 20:50:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 20:50:17,508 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2020-09-04 20:50:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:50:17,515 INFO L225 Difference]: With dead ends: 1296 [2020-09-04 20:50:17,515 INFO L226 Difference]: Without dead ends: 927 [2020-09-04 20:50:17,517 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-04 20:50:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-09-04 20:50:17,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 827. [2020-09-04 20:50:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-09-04 20:50:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 953 transitions. [2020-09-04 20:50:17,807 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 953 transitions. Word has length 172 [2020-09-04 20:50:17,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:50:17,808 INFO L479 AbstractCegarLoop]: Abstraction has 827 states and 953 transitions. [2020-09-04 20:50:17,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:50:17,808 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 953 transitions. [2020-09-04 20:50:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-09-04 20:50:17,813 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:50:17,813 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] [2020-09-04 20:50:17,813 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:50:17,814 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:50:17,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:50:17,814 INFO L82 PathProgramCache]: Analyzing trace with hash 82436204, now seen corresponding path program 1 times [2020-09-04 20:50:17,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:50:17,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437756261] [2020-09-04 20:50:17,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:50:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:50:17,897 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:50:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:50:17,985 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:50:18,183 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:50:18,184 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:50:18,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:50:18,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:50:18 BoogieIcfgContainer [2020-09-04 20:50:18,538 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:50:18,540 INFO L168 Benchmark]: Toolchain (without parser) took 21492.81 ms. Allocated memory was 140.0 MB in the beginning and 627.6 MB in the end (delta: 487.6 MB). Free memory was 101.8 MB in the beginning and 578.8 MB in the end (delta: -477.0 MB). Peak memory consumption was 451.0 MB. Max. memory is 7.1 GB. [2020-09-04 20:50:18,542 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 20:50:18,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.43 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 173.1 MB in the end (delta: -71.5 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-09-04 20:50:18,549 INFO L168 Benchmark]: Boogie Preprocessor took 125.82 ms. Allocated memory is still 203.9 MB. Free memory was 173.1 MB in the beginning and 168.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2020-09-04 20:50:18,550 INFO L168 Benchmark]: RCFGBuilder took 1468.54 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 176.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-09-04 20:50:18,551 INFO L168 Benchmark]: TraceAbstraction took 19216.12 ms. Allocated memory was 236.5 MB in the beginning and 627.6 MB in the end (delta: 391.1 MB). Free memory was 176.1 MB in the beginning and 578.8 MB in the end (delta: -402.7 MB). Peak memory consumption was 428.9 MB. Max. memory is 7.1 GB. [2020-09-04 20:50:18,563 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 672.43 ms. Allocated memory was 140.0 MB in the beginning and 203.9 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 173.1 MB in the end (delta: -71.5 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.82 ms. Allocated memory is still 203.9 MB. Free memory was 173.1 MB in the beginning and 168.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1468.54 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.5 MB in the beginning and 176.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19216.12 ms. Allocated memory was 236.5 MB in the beginning and 627.6 MB in the end (delta: 391.1 MB). Free memory was 176.1 MB in the beginning and 578.8 MB in the end (delta: -402.7 MB). Peak memory consumption was 428.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 451]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=141, cleanupTimeShifts=174, head={176:166}, methaneLevelCritical=147, pumpRunning=137, systemActive=136, waterLevel=1] [L86] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=141, cleanupTimeShifts=174, head={176:166}, methaneLevelCritical=0, pumpRunning=137, systemActive=136, waterLevel=1] [L185] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=141, cleanupTimeShifts=174, head={176:166}, methaneLevelCritical=0, pumpRunning=0, systemActive=136, waterLevel=1] [L186] int systemActive = 1; VAL [\old(cleanupTimeShifts)=174, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=141, cleanupTimeShifts=174, head={176:166}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L625] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=174, \old(head)=166, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=141, cleanupTimeShifts=174, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=147, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] 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] [L896] 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] [L900] 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] [L901] 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] [L902] 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] [L69] 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] [L72] 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] [L73] 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] [L902] 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] [L902] 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] [L904] 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] [L906] 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] [L907] 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] [L889] 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] [L381] 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] [L382] 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] [L383] 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] [L384] 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] [L385] 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] [L388] 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] [L390] 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] [L392] 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] [L398] 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] [L400] 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] [L402] 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] [L103] 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] [L104] 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] [L402] 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] [L408] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L410] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L418] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L420] COND FALSE !(\read(tmp___2)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=0, waterLevel=2] [L424] tmp___1 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L426] COND TRUE \read(tmp___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, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L428] CALL stopSystem() 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] [L367] COND FALSE !(\read(pumpRunning)) 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] [L374] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L428] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L435] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L193] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L200] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L208] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L919] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L920] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L921] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L925] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L124] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L127] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L128] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L925] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L925] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L927] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L931] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L156] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L159] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L160] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L931] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L931] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L933] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L935] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L300] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L303] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L304] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L935] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L935] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L937] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L941] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L451] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 630 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 14.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1022 SDtfs, 1410 SDslu, 1275 SDs, 0 SdLazy, 3259 SolverSat, 478 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=827occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 4 MinimizatonAttempts, 246 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 261412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...