./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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/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_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/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 0.1.23-635dfa2 [2018-12-09 07:09:39,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 07:09:39,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 07:09:39,635 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 07:09:39,635 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 07:09:39,636 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 07:09:39,636 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 07:09:39,637 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 07:09:39,638 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 07:09:39,638 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 07:09:39,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 07:09:39,639 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 07:09:39,639 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 07:09:39,640 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 07:09:39,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 07:09:39,641 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 07:09:39,641 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 07:09:39,642 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 07:09:39,643 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 07:09:39,643 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 07:09:39,644 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 07:09:39,644 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 07:09:39,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 07:09:39,646 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 07:09:39,646 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 07:09:39,646 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 07:09:39,647 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 07:09:39,647 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 07:09:39,647 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 07:09:39,648 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 07:09:39,648 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 07:09:39,648 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 07:09:39,648 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 07:09:39,649 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 07:09:39,649 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 07:09:39,649 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 07:09:39,649 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 07:09:39,656 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 07:09:39,656 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 07:09:39,657 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 07:09:39,657 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 07:09:39,657 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 07:09:39,658 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 07:09:39,658 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 07:09:39,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:09:39,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 07:09:39,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 07:09:39,660 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 07:09:39,660 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 07:09:39,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 07:09:39,660 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_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/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 [2018-12-09 07:09:39,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 07:09:39,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 07:09:39,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 07:09:39,690 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 07:09:39,690 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 07:09:39,691 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-12-09 07:09:39,731 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/data/6af60717e/e3d48980355d42a1b63ba7b38519c435/FLAG4952cc1c8 [2018-12-09 07:09:40,046 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 07:09:40,047 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/sv-benchmarks/c/product-lines/minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-12-09 07:09:40,053 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/data/6af60717e/e3d48980355d42a1b63ba7b38519c435/FLAG4952cc1c8 [2018-12-09 07:09:40,456 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/data/6af60717e/e3d48980355d42a1b63ba7b38519c435 [2018-12-09 07:09:40,458 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 07:09:40,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 07:09:40,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 07:09:40,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 07:09:40,462 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 07:09:40,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6952e9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40, skipping insertion in model container [2018-12-09 07:09:40,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 07:09:40,495 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 07:09:40,653 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:09:40,660 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 07:09:40,731 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:09:40,746 INFO L195 MainTranslator]: Completed translation [2018-12-09 07:09:40,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40 WrapperNode [2018-12-09 07:09:40,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 07:09:40,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 07:09:40,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 07:09:40,747 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 07:09:40,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 07:09:40,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 07:09:40,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 07:09:40,766 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 07:09:40,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... [2018-12-09 07:09:40,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 07:09:40,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 07:09:40,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 07:09:40,786 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 07:09:40,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/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 [2018-12-09 07:09:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 07:09:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 07:09:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 07:09:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 07:09:40,817 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 07:09:40,817 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 07:09:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 07:09:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 07:09:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 07:09:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 07:09:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 07:09:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 07:09:40,818 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 07:09:40,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 07:09:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 07:09:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 07:09:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 07:09:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 07:09:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 07:09:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 07:09:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 07:09:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 07:09:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 07:09:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 07:09:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 07:09:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 07:09:40,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 07:09:40,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 07:09:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 07:09:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 07:09:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 07:09:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 07:09:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 07:09:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 07:09:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 07:09:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 07:09:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 07:09:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 07:09:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 07:09:40,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 07:09:40,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 07:09:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 07:09:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 07:09:40,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 07:09:40,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 07:09:41,103 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 07:09:41,104 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 07:09:41,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:41 BoogieIcfgContainer [2018-12-09 07:09:41,104 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 07:09:41,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 07:09:41,105 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 07:09:41,107 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 07:09:41,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:09:40" (1/3) ... [2018-12-09 07:09:41,108 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444752bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:09:41, skipping insertion in model container [2018-12-09 07:09:41,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:40" (2/3) ... [2018-12-09 07:09:41,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@444752bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:09:41, skipping insertion in model container [2018-12-09 07:09:41,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:41" (3/3) ... [2018-12-09 07:09:41,110 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product35_false-unreach-call_false-termination.cil.c [2018-12-09 07:09:41,118 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 07:09:41,124 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 07:09:41,134 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 07:09:41,150 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 07:09:41,151 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 07:09:41,151 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 07:09:41,151 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 07:09:41,151 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 07:09:41,151 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 07:09:41,151 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 07:09:41,151 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 07:09:41,151 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 07:09:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-12-09 07:09:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 07:09:41,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:41,170 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] [2018-12-09 07:09:41,172 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:41,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:41,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1991914343, now seen corresponding path program 1 times [2018-12-09 07:09:41,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:41,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:41,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:41,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:41,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:41,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:41,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 07:09:41,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 07:09:41,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 07:09:41,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 07:09:41,345 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-12-09 07:09:41,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:41,365 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-12-09 07:09:41,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 07:09:41,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 07:09:41,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:41,372 INFO L225 Difference]: With dead ends: 228 [2018-12-09 07:09:41,372 INFO L226 Difference]: Without dead ends: 114 [2018-12-09 07:09:41,374 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 [2018-12-09 07:09:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-09 07:09:41,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-09 07:09:41,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-09 07:09:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-12-09 07:09:41,403 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-12-09 07:09:41,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:41,403 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-12-09 07:09:41,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 07:09:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-12-09 07:09:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 07:09:41,405 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:41,405 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] [2018-12-09 07:09:41,405 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:41,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:41,405 INFO L82 PathProgramCache]: Analyzing trace with hash 574224952, now seen corresponding path program 1 times [2018-12-09 07:09:41,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:41,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:41,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:41,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:41,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:41,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:41,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 07:09:41,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 07:09:41,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 07:09:41,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 07:09:41,461 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-12-09 07:09:41,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:41,472 INFO L93 Difference]: Finished difference Result 168 states and 195 transitions. [2018-12-09 07:09:41,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 07:09:41,473 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 07:09:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:41,474 INFO L225 Difference]: With dead ends: 168 [2018-12-09 07:09:41,474 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 07:09:41,474 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 [2018-12-09 07:09:41,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 07:09:41,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 07:09:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 07:09:41,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-12-09 07:09:41,481 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-12-09 07:09:41,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:41,481 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-12-09 07:09:41,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 07:09:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-12-09 07:09:41,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 07:09:41,482 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:41,482 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] [2018-12-09 07:09:41,482 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:41,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:41,482 INFO L82 PathProgramCache]: Analyzing trace with hash -948464397, now seen corresponding path program 1 times [2018-12-09 07:09:41,482 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:41,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:41,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:41,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:41,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:41,540 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 07:09:41,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 07:09:41,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 07:09:41,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:09:41,540 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-12-09 07:09:41,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:41,728 INFO L93 Difference]: Finished difference Result 317 states and 381 transitions. [2018-12-09 07:09:41,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 07:09:41,729 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 07:09:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:41,731 INFO L225 Difference]: With dead ends: 317 [2018-12-09 07:09:41,731 INFO L226 Difference]: Without dead ends: 236 [2018-12-09 07:09:41,732 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 [2018-12-09 07:09:41,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-09 07:09:41,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 216. [2018-12-09 07:09:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-09 07:09:41,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 258 transitions. [2018-12-09 07:09:41,750 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 258 transitions. Word has length 51 [2018-12-09 07:09:41,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:41,750 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 258 transitions. [2018-12-09 07:09:41,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 07:09:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 258 transitions. [2018-12-09 07:09:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 07:09:41,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:41,751 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] [2018-12-09 07:09:41,751 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:41,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:41,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1506725307, now seen corresponding path program 1 times [2018-12-09 07:09:41,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:41,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:41,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:41,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:41,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:41,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 07:09:41,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 07:09:41,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 07:09:41,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 07:09:41,817 INFO L87 Difference]: Start difference. First operand 216 states and 258 transitions. Second operand 6 states. [2018-12-09 07:09:41,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:41,918 INFO L93 Difference]: Finished difference Result 585 states and 722 transitions. [2018-12-09 07:09:41,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 07:09:41,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 07:09:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:41,921 INFO L225 Difference]: With dead ends: 585 [2018-12-09 07:09:41,921 INFO L226 Difference]: Without dead ends: 393 [2018-12-09 07:09:41,922 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 [2018-12-09 07:09:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-12-09 07:09:41,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 387. [2018-12-09 07:09:41,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-12-09 07:09:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 466 transitions. [2018-12-09 07:09:41,944 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 466 transitions. Word has length 57 [2018-12-09 07:09:41,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:41,945 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 466 transitions. [2018-12-09 07:09:41,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 07:09:41,945 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 466 transitions. [2018-12-09 07:09:41,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 07:09:41,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:41,947 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] [2018-12-09 07:09:41,947 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:41,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:41,947 INFO L82 PathProgramCache]: Analyzing trace with hash -2121847895, now seen corresponding path program 1 times [2018-12-09 07:09:41,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:41,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:41,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:41,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:42,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:42,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:42,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 07:09:42,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 07:09:42,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 07:09:42,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:09:42,012 INFO L87 Difference]: Start difference. First operand 387 states and 466 transitions. Second operand 7 states. [2018-12-09 07:09:42,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:42,332 INFO L93 Difference]: Finished difference Result 1024 states and 1323 transitions. [2018-12-09 07:09:42,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 07:09:42,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 07:09:42,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:42,335 INFO L225 Difference]: With dead ends: 1024 [2018-12-09 07:09:42,335 INFO L226 Difference]: Without dead ends: 661 [2018-12-09 07:09:42,337 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 [2018-12-09 07:09:42,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-12-09 07:09:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 577. [2018-12-09 07:09:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2018-12-09 07:09:42,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 697 transitions. [2018-12-09 07:09:42,369 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 697 transitions. Word has length 61 [2018-12-09 07:09:42,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:42,369 INFO L480 AbstractCegarLoop]: Abstraction has 577 states and 697 transitions. [2018-12-09 07:09:42,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 07:09:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 697 transitions. [2018-12-09 07:09:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 07:09:42,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:42,371 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] [2018-12-09 07:09:42,371 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:42,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:42,372 INFO L82 PathProgramCache]: Analyzing trace with hash -639951468, now seen corresponding path program 1 times [2018-12-09 07:09:42,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:42,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:42,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:42,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:42,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:42,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:42,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 07:09:42,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 07:09:42,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 07:09:42,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 07:09:42,432 INFO L87 Difference]: Start difference. First operand 577 states and 697 transitions. Second operand 6 states. [2018-12-09 07:09:42,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:42,483 INFO L93 Difference]: Finished difference Result 1150 states and 1412 transitions. [2018-12-09 07:09:42,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 07:09:42,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-12-09 07:09:42,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:42,486 INFO L225 Difference]: With dead ends: 1150 [2018-12-09 07:09:42,487 INFO L226 Difference]: Without dead ends: 597 [2018-12-09 07:09:42,488 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 [2018-12-09 07:09:42,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2018-12-09 07:09:42,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2018-12-09 07:09:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2018-12-09 07:09:42,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 717 transitions. [2018-12-09 07:09:42,512 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 717 transitions. Word has length 78 [2018-12-09 07:09:42,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:42,512 INFO L480 AbstractCegarLoop]: Abstraction has 597 states and 717 transitions. [2018-12-09 07:09:42,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 07:09:42,512 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 717 transitions. [2018-12-09 07:09:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 07:09:42,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:42,514 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] [2018-12-09 07:09:42,514 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:42,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1149424558, now seen corresponding path program 1 times [2018-12-09 07:09:42,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:42,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:42,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:42,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:42,595 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:42,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 07:09:42,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 07:09:42,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 07:09:42,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 07:09:42,596 INFO L87 Difference]: Start difference. First operand 597 states and 717 transitions. Second operand 8 states. [2018-12-09 07:09:42,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:42,631 INFO L93 Difference]: Finished difference Result 1198 states and 1482 transitions. [2018-12-09 07:09:42,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 07:09:42,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 78 [2018-12-09 07:09:42,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:42,633 INFO L225 Difference]: With dead ends: 1198 [2018-12-09 07:09:42,633 INFO L226 Difference]: Without dead ends: 625 [2018-12-09 07:09:42,634 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 [2018-12-09 07:09:42,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-12-09 07:09:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 613. [2018-12-09 07:09:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2018-12-09 07:09:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 733 transitions. [2018-12-09 07:09:42,651 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 733 transitions. Word has length 78 [2018-12-09 07:09:42,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:42,651 INFO L480 AbstractCegarLoop]: Abstraction has 613 states and 733 transitions. [2018-12-09 07:09:42,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 07:09:42,652 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 733 transitions. [2018-12-09 07:09:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 07:09:42,652 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:42,653 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] [2018-12-09 07:09:42,653 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:42,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:42,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1135438897, now seen corresponding path program 1 times [2018-12-09 07:09:42,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:42,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:42,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:42,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:09:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:09:42,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:09:42,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 07:09:42,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 07:09:42,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 07:09:42,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 07:09:42,704 INFO L87 Difference]: Start difference. First operand 613 states and 733 transitions. Second operand 4 states. [2018-12-09 07:09:42,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:09:42,827 INFO L93 Difference]: Finished difference Result 2015 states and 2532 transitions. [2018-12-09 07:09:42,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 07:09:42,828 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-12-09 07:09:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:09:42,831 INFO L225 Difference]: With dead ends: 2015 [2018-12-09 07:09:42,831 INFO L226 Difference]: Without dead ends: 1426 [2018-12-09 07:09:42,833 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 [2018-12-09 07:09:42,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-12-09 07:09:42,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1395. [2018-12-09 07:09:42,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2018-12-09 07:09:42,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1703 transitions. [2018-12-09 07:09:42,878 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1703 transitions. Word has length 78 [2018-12-09 07:09:42,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:09:42,878 INFO L480 AbstractCegarLoop]: Abstraction has 1395 states and 1703 transitions. [2018-12-09 07:09:42,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 07:09:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1703 transitions. [2018-12-09 07:09:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 07:09:42,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:09:42,880 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] [2018-12-09 07:09:42,880 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:09:42,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:09:42,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1795167797, now seen corresponding path program 1 times [2018-12-09 07:09:42,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 07:09:42,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 07:09:42,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:09:42,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:09:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 07:09:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 07:09:42,949 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 07:09:43,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:09:43 BoogieIcfgContainer [2018-12-09 07:09:43,021 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 07:09:43,022 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 07:09:43,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 07:09:43,022 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 07:09:43,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:41" (3/4) ... [2018-12-09 07:09:43,024 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 07:09:43,090 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1696204c-f67a-4d46-a03e-8dcb4ba2c4b5/bin-2019/uautomizer/witness.graphml [2018-12-09 07:09:43,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 07:09:43,091 INFO L168 Benchmark]: Toolchain (without parser) took 2632.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 950.6 MB in the beginning and 932.0 MB in the end (delta: 18.6 MB). Peak memory consumption was 200.0 MB. Max. memory is 11.5 GB. [2018-12-09 07:09:43,092 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:09:43,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 64.0 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -92.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 07:09:43,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:09:43,093 INFO L168 Benchmark]: Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:09:43,093 INFO L168 Benchmark]: RCFGBuilder took 318.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-12-09 07:09:43,093 INFO L168 Benchmark]: TraceAbstraction took 1916.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 117.4 MB). Free memory was 1.0 GB in the beginning and 968.9 MB in the end (delta: 32.7 MB). Peak memory consumption was 150.2 MB. Max. memory is 11.5 GB. [2018-12-09 07:09:43,093 INFO L168 Benchmark]: Witness Printer took 68.87 ms. Allocated memory is still 1.2 GB. Free memory was 968.9 MB in the beginning and 932.0 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-12-09 07:09:43,094 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 64.0 MB). Free memory was 950.6 MB in the beginning and 1.0 GB in the end (delta: -92.3 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 318.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1916.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 117.4 MB). Free memory was 1.0 GB in the beginning and 968.9 MB in the end (delta: 32.7 MB). Peak memory consumption was 150.2 MB. Max. memory is 11.5 GB. * Witness Printer took 68.87 ms. Allocated memory is still 1.2 GB. Free memory was 968.9 MB in the beginning and 932.0 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 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, 1.8s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1104 SDtfs, 594 SDslu, 2657 SDs, 0 SdLazy, 724 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s 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: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 153 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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...