./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dc08a0b643f05bf554ed8bba095ffb3efc1cc232 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:33:30,596 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:33:30,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:33:30,605 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:33:30,606 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:33:30,606 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:33:30,607 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:33:30,608 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:33:30,609 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:33:30,609 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:33:30,610 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:33:30,610 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:33:30,610 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:33:30,611 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:33:30,611 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:33:30,611 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:33:30,612 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:33:30,613 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:33:30,614 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:33:30,615 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:33:30,616 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:33:30,616 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:33:30,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:33:30,618 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:33:30,618 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:33:30,619 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:33:30,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:33:30,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:33:30,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:33:30,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:33:30,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:33:30,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:33:30,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:33:30,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:33:30,623 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:33:30,623 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:33:30,623 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:33:30,633 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:33:30,633 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:33:30,634 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:33:30,634 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:33:30,635 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:33:30,635 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:33:30,635 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:33:30,635 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:33:30,635 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:33:30,636 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:33:30,636 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:33:30,636 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:33:30,636 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:33:30,636 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:33:30,636 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:33:30,636 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:33:30,637 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:33:30,637 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:33:30,637 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:33:30,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:33:30,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:33:30,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:33:30,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:33:30,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:33:30,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:33:30,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:33:30,638 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:33:30,638 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:33:30,639 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:33:30,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:33:30,639 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc08a0b643f05bf554ed8bba095ffb3efc1cc232 [2018-11-28 10:33:30,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:33:30,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:33:30,675 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:33:30,676 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:33:30,677 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:33:30,677 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-11-28 10:33:30,719 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/data/a6caba78b/aabcd91f832f434e95db69900c7535f3/FLAG4db2b9afc [2018-11-28 10:33:31,094 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:33:31,095 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-11-28 10:33:31,105 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/data/a6caba78b/aabcd91f832f434e95db69900c7535f3/FLAG4db2b9afc [2018-11-28 10:33:31,480 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/data/a6caba78b/aabcd91f832f434e95db69900c7535f3 [2018-11-28 10:33:31,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:33:31,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:33:31,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:31,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:33:31,487 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:33:31,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fd5053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31, skipping insertion in model container [2018-11-28 10:33:31,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:33:31,521 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:33:31,708 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:31,718 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:33:31,810 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:33:31,828 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:33:31,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31 WrapperNode [2018-11-28 10:33:31,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:33:31,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:31,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:33:31,829 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:33:31,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,843 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:33:31,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:33:31,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:33:31,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:33:31,855 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,870 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... [2018-11-28 10:33:31,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:33:31,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:33:31,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:33:31,872 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:33:31,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/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 [2018-11-28 10:33:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 10:33:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 10:33:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:33:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:33:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 10:33:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 10:33:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:33:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 10:33:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 10:33:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 10:33:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 10:33:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 10:33:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 10:33:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 10:33:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 10:33:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 10:33:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 10:33:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 10:33:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 10:33:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 10:33:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 10:33:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 10:33:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 10:33:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 10:33:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 10:33:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 10:33:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 10:33:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 10:33:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 10:33:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 10:33:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 10:33:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 10:33:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 10:33:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 10:33:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 10:33:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 10:33:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 10:33:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 10:33:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 10:33:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 10:33:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 10:33:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:33:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:33:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:33:31,908 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 10:33:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 10:33:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 10:33:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 10:33:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:33:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:33:31,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 10:33:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 10:33:32,299 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:33:32,299 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 10:33:32,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:32 BoogieIcfgContainer [2018-11-28 10:33:32,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:33:32,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:33:32,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:33:32,303 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:33:32,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:33:31" (1/3) ... [2018-11-28 10:33:32,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a006ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:33:32, skipping insertion in model container [2018-11-28 10:33:32,303 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:33:31" (2/3) ... [2018-11-28 10:33:32,303 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44a006ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:33:32, skipping insertion in model container [2018-11-28 10:33:32,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:32" (3/3) ... [2018-11-28 10:33:32,305 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-11-28 10:33:32,311 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:33:32,316 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:33:32,325 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:33:32,345 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:33:32,345 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:33:32,346 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:33:32,346 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:33:32,346 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:33:32,346 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:33:32,346 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:33:32,346 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:33:32,346 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:33:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-28 10:33:32,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 10:33:32,366 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:32,366 INFO L402 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] [2018-11-28 10:33:32,368 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:32,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:32,371 INFO L82 PathProgramCache]: Analyzing trace with hash 1991914343, now seen corresponding path program 1 times [2018-11-28 10:33:32,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:32,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:32,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:32,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:32,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:32,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:32,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:33:32,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:33:32,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:33:32,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:33:32,560 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-28 10:33:32,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:32,587 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-11-28 10:33:32,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:33:32,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 10:33:32,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:32,595 INFO L225 Difference]: With dead ends: 228 [2018-11-28 10:33:32,596 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 10:33:32,598 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:33:32,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 10:33:32,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 10:33:32,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 10:33:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-11-28 10:33:32,631 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-11-28 10:33:32,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:32,631 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-11-28 10:33:32,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:33:32,631 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-11-28 10:33:32,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 10:33:32,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:32,633 INFO L402 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] [2018-11-28 10:33:32,633 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:32,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:32,634 INFO L82 PathProgramCache]: Analyzing trace with hash 574224952, now seen corresponding path program 1 times [2018-11-28 10:33:32,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:32,635 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:32,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:32,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:32,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:32,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:32,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:33:32,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:33:32,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:33:32,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:32,722 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-11-28 10:33:32,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:32,741 INFO L93 Difference]: Finished difference Result 168 states and 195 transitions. [2018-11-28 10:33:32,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:33:32,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 10:33:32,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:32,746 INFO L225 Difference]: With dead ends: 168 [2018-11-28 10:33:32,746 INFO L226 Difference]: Without dead ends: 105 [2018-11-28 10:33:32,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:33:32,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-28 10:33:32,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-28 10:33:32,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-28 10:33:32,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-11-28 10:33:32,756 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-11-28 10:33:32,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:32,757 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-11-28 10:33:32,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:33:32,757 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-11-28 10:33:32,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 10:33:32,758 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:32,758 INFO L402 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] [2018-11-28 10:33:32,758 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:32,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:32,759 INFO L82 PathProgramCache]: Analyzing trace with hash -948464397, now seen corresponding path program 1 times [2018-11-28 10:33:32,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:32,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:32,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:32,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:32,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:32,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:32,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:32,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:33:32,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:33:32,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:33:32,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:33:32,872 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-11-28 10:33:33,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:33,225 INFO L93 Difference]: Finished difference Result 317 states and 381 transitions. [2018-11-28 10:33:33,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:33:33,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 10:33:33,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:33,229 INFO L225 Difference]: With dead ends: 317 [2018-11-28 10:33:33,229 INFO L226 Difference]: Without dead ends: 236 [2018-11-28 10:33:33,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:33:33,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-28 10:33:33,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2018-11-28 10:33:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-28 10:33:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 258 transitions. [2018-11-28 10:33:33,256 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 258 transitions. Word has length 51 [2018-11-28 10:33:33,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:33,256 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 258 transitions. [2018-11-28 10:33:33,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:33:33,257 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 258 transitions. [2018-11-28 10:33:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 10:33:33,258 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:33,259 INFO L402 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] [2018-11-28 10:33:33,259 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:33,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:33,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1506725307, now seen corresponding path program 1 times [2018-11-28 10:33:33,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:33,260 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:33,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:33,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:33,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:33,373 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:33,373 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:33:33,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:33:33,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:33:33,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:33:33,375 INFO L87 Difference]: Start difference. First operand 216 states and 258 transitions. Second operand 6 states. [2018-11-28 10:33:33,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:33,541 INFO L93 Difference]: Finished difference Result 585 states and 722 transitions. [2018-11-28 10:33:33,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:33:33,541 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 10:33:33,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:33,544 INFO L225 Difference]: With dead ends: 585 [2018-11-28 10:33:33,545 INFO L226 Difference]: Without dead ends: 393 [2018-11-28 10:33:33,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:33:33,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-11-28 10:33:33,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 387. [2018-11-28 10:33:33,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-11-28 10:33:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 466 transitions. [2018-11-28 10:33:33,577 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 466 transitions. Word has length 57 [2018-11-28 10:33:33,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:33,578 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 466 transitions. [2018-11-28 10:33:33,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:33:33,579 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 466 transitions. [2018-11-28 10:33:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 10:33:33,581 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:33,581 INFO L402 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] [2018-11-28 10:33:33,581 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:33,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:33,582 INFO L82 PathProgramCache]: Analyzing trace with hash -2121847895, now seen corresponding path program 1 times [2018-11-28 10:33:33,582 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:33,582 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:33,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:33,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:33,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:33,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:33,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:33,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:33:33,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:33:33,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:33:33,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:33:33,681 INFO L87 Difference]: Start difference. First operand 387 states and 466 transitions. Second operand 7 states. [2018-11-28 10:33:34,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:34,127 INFO L93 Difference]: Finished difference Result 1024 states and 1323 transitions. [2018-11-28 10:33:34,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 10:33:34,128 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 10:33:34,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:34,131 INFO L225 Difference]: With dead ends: 1024 [2018-11-28 10:33:34,131 INFO L226 Difference]: Without dead ends: 661 [2018-11-28 10:33:34,132 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 10:33:34,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-11-28 10:33:34,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 577. [2018-11-28 10:33:34,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2018-11-28 10:33:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 697 transitions. [2018-11-28 10:33:34,168 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 697 transitions. Word has length 61 [2018-11-28 10:33:34,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:34,168 INFO L480 AbstractCegarLoop]: Abstraction has 577 states and 697 transitions. [2018-11-28 10:33:34,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:33:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 697 transitions. [2018-11-28 10:33:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 10:33:34,170 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:34,171 INFO L402 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] [2018-11-28 10:33:34,171 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:34,171 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,171 INFO L82 PathProgramCache]: Analyzing trace with hash -639951468, now seen corresponding path program 1 times [2018-11-28 10:33:34,171 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,171 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:34,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:34,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:34,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:33:34,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:33:34,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:33:34,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:33:34,231 INFO L87 Difference]: Start difference. First operand 577 states and 697 transitions. Second operand 6 states. [2018-11-28 10:33:34,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:34,282 INFO L93 Difference]: Finished difference Result 1150 states and 1412 transitions. [2018-11-28 10:33:34,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 10:33:34,283 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-11-28 10:33:34,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:34,286 INFO L225 Difference]: With dead ends: 1150 [2018-11-28 10:33:34,286 INFO L226 Difference]: Without dead ends: 597 [2018-11-28 10:33:34,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:33:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2018-11-28 10:33:34,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2018-11-28 10:33:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2018-11-28 10:33:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 717 transitions. [2018-11-28 10:33:34,309 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 717 transitions. Word has length 78 [2018-11-28 10:33:34,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:34,310 INFO L480 AbstractCegarLoop]: Abstraction has 597 states and 717 transitions. [2018-11-28 10:33:34,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:33:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 717 transitions. [2018-11-28 10:33:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 10:33:34,311 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:34,312 INFO L402 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] [2018-11-28 10:33:34,312 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:34,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1149424558, now seen corresponding path program 1 times [2018-11-28 10:33:34,312 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,312 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:34,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:34,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:34,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 10:33:34,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 10:33:34,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 10:33:34,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:33:34,396 INFO L87 Difference]: Start difference. First operand 597 states and 717 transitions. Second operand 8 states. [2018-11-28 10:33:34,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:34,428 INFO L93 Difference]: Finished difference Result 1198 states and 1482 transitions. [2018-11-28 10:33:34,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:33:34,430 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2018-11-28 10:33:34,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:34,432 INFO L225 Difference]: With dead ends: 1198 [2018-11-28 10:33:34,432 INFO L226 Difference]: Without dead ends: 625 [2018-11-28 10:33:34,433 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 10:33:34,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-11-28 10:33:34,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 613. [2018-11-28 10:33:34,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2018-11-28 10:33:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 733 transitions. [2018-11-28 10:33:34,452 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 733 transitions. Word has length 78 [2018-11-28 10:33:34,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:34,452 INFO L480 AbstractCegarLoop]: Abstraction has 613 states and 733 transitions. [2018-11-28 10:33:34,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 10:33:34,452 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 733 transitions. [2018-11-28 10:33:34,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 10:33:34,454 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:34,454 INFO L402 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] [2018-11-28 10:33:34,454 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:34,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1135438897, now seen corresponding path program 1 times [2018-11-28 10:33:34,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:33:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:33:34,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:33:34,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 10:33:34,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 10:33:34,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 10:33:34,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 10:33:34,529 INFO L87 Difference]: Start difference. First operand 613 states and 733 transitions. Second operand 4 states. [2018-11-28 10:33:34,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:33:34,662 INFO L93 Difference]: Finished difference Result 2015 states and 2532 transitions. [2018-11-28 10:33:34,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 10:33:34,663 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-11-28 10:33:34,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:33:34,667 INFO L225 Difference]: With dead ends: 2015 [2018-11-28 10:33:34,667 INFO L226 Difference]: Without dead ends: 1426 [2018-11-28 10:33:34,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 10:33:34,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-11-28 10:33:34,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1395. [2018-11-28 10:33:34,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2018-11-28 10:33:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1703 transitions. [2018-11-28 10:33:34,721 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1703 transitions. Word has length 78 [2018-11-28 10:33:34,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:33:34,721 INFO L480 AbstractCegarLoop]: Abstraction has 1395 states and 1703 transitions. [2018-11-28 10:33:34,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 10:33:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1703 transitions. [2018-11-28 10:33:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 10:33:34,723 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:33:34,723 INFO L402 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] [2018-11-28 10:33:34,723 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:33:34,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:33:34,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1795167797, now seen corresponding path program 1 times [2018-11-28 10:33:34,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:33:34,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:33:34,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:33:34,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:33:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 10:33:34,821 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 10:33:34,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:33:34 BoogieIcfgContainer [2018-11-28 10:33:34,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:33:34,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:33:34,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:33:34,904 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:33:34,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:33:32" (3/4) ... [2018-11-28 10:33:34,906 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 10:33:34,983 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0c9c076c-749b-4c73-8b71-13b4ef4fc6cc/bin-2019/uautomizer/witness.graphml [2018-11-28 10:33:34,983 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:33:34,984 INFO L168 Benchmark]: Toolchain (without parser) took 3501.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:34,985 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:33:34,985 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:34,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:34,985 INFO L168 Benchmark]: Boogie Preprocessor took 22.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:34,985 INFO L168 Benchmark]: RCFGBuilder took 428.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:34,986 INFO L168 Benchmark]: TraceAbstraction took 2603.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.7 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:34,986 INFO L168 Benchmark]: Witness Printer took 79.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2018-11-28 10:33:34,988 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -175.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 428.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2603.03 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -76.7 MB). Peak memory consumption was 218.5 MB. Max. memory is 11.5 GB. * Witness Printer took 79.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 30.0 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 145]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L250] int pumpRunning = 0; [L251] int systemActive = 1; [L455] int cleanupTimeShifts = 4; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L528] int retValue_acc ; [L529] 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] [L533] 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] [L534] 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] [L535] 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] [L446] int retValue_acc ; [L449] retValue_acc = 1 [L450] 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] [L535] 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] [L535] tmp = valid_product() [L537] 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] [L539] 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] [L540] 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] [L522] 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] [L181] int splverifierCounter ; [L182] int tmp ; [L183] int tmp___0 ; [L184] int tmp___1 ; [L185] int tmp___2 ; [L188] 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] [L190] 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] [L192] 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] [L198] tmp = __VERIFIER_nondet_int() [L200] 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] [L202] 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] [L65] COND TRUE waterLevel < 2 [L66] 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] [L202] 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] [L208] tmp___0 = __VERIFIER_nondet_int() [L210] 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] [L212] 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] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] 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] [L212] 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] [L218] tmp___2 = __VERIFIER_nondet_int() [L220] 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] [L235] 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] [L257] 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] [L264] 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] [L266] 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] [L286] 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] [L289] 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] [L291] 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] [L383] int retValue_acc ; [L384] int tmp ; [L385] 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] [L389] 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] [L127] 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] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] 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] [L389] 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] [L389] tmp = isHighWaterSensorDry() [L391] COND FALSE !(\read(tmp)) [L394] 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] [L396] retValue_acc = tmp___0 [L397] 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] [L291] 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] [L291] tmp = isHighWaterLevel() [L293] 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] [L295] 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] [L314] 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] [L295] 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] [L266] 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] [L272] 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] [L152] int tmp ; [L153] 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] [L157] 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] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] 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] [L157] 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] [L157] tmp = isMethaneLevelCritical() [L159] 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] [L161] 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] [L338] int retValue_acc ; [L341] retValue_acc = pumpRunning [L342] 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] [L161] 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] [L161] tmp___0 = isPumpRunning() [L163] 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] [L165] 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] [L145] __VERIFIER_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 25 procedures, 127 locations, 1 error locations. UNSAFE Result, 2.5s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1103 SDtfs, 594 SDslu, 2653 SDs, 0 SdLazy, 724 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1395occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 578 NumberOfCodeBlocks, 578 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 488 ConstructedInterpolants, 0 QuantifiedInterpolants, 52092 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...