./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product45.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9369a06c8d4df60e49baaf177cf32aba3e52d93 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:01,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:01,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:01,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:01,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:01,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:01,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:01,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:01,074 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:01,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:01,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:01,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:01,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:01,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:01,078 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:01,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:01,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:01,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:01,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:01,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:01,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:01,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:01,086 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:01,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:01,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:01,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:01,089 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:01,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:01,090 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:01,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:01,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:01,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:01,092 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:01,093 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:01,096 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:01,096 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:01,097 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:01,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:01,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:01,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:01,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:01,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:01:01,114 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:01,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:01,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:01,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:01,118 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:01,118 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:01:01,118 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:01:01,119 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:01:01,119 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:01:01,119 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:01:01,119 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:01:01,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:01,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:01,120 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:01,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:01,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:01,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:01,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:01:01,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:01:01,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:01:01,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:01,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:01,121 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:01:01,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:01,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:01:01,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:01,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:01,122 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:01:01,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:01,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:01,122 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:01:01,125 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:01:01,127 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/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(F end) ) 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 -> a9369a06c8d4df60e49baaf177cf32aba3e52d93 [2019-10-22 09:01:01,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:01,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:01,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:01,168 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:01,168 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:01,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product45.cil.c [2019-10-22 09:01:01,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/data/0b8f63b2d/2b85c982b80f4427a5b4ef9d66131d61/FLAG79c111131 [2019-10-22 09:01:01,616 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:01,617 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/sv-benchmarks/c/product-lines/minepump_spec4_product45.cil.c [2019-10-22 09:01:01,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/data/0b8f63b2d/2b85c982b80f4427a5b4ef9d66131d61/FLAG79c111131 [2019-10-22 09:01:01,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/data/0b8f63b2d/2b85c982b80f4427a5b4ef9d66131d61 [2019-10-22 09:01:01,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:01,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:01,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:01,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:01,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:01,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:01" (1/1) ... [2019-10-22 09:01:01,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e706831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:01, skipping insertion in model container [2019-10-22 09:01:01,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:01" (1/1) ... [2019-10-22 09:01:01,987 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:02,033 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:02,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:02,423 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:02,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:02,523 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:02,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02 WrapperNode [2019-10-22 09:01:02,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:02,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:02,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:02,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:02,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:02,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:02,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:02,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:02,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... [2019-10-22 09:01:02,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:02,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:02,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:02,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:02,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:01:02,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:03,448 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:03,448 INFO L284 CfgBuilder]: Removed 192 assume(true) statements. [2019-10-22 09:01:03,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:03 BoogieIcfgContainer [2019-10-22 09:01:03,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:03,450 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:01:03,450 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:01:03,454 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:01:03,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:03,455 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:01:01" (1/3) ... [2019-10-22 09:01:03,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f60f176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:03, skipping insertion in model container [2019-10-22 09:01:03,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:03,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:02" (2/3) ... [2019-10-22 09:01:03,457 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f60f176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:03, skipping insertion in model container [2019-10-22 09:01:03,457 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:03,457 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:03" (3/3) ... [2019-10-22 09:01:03,459 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2019-10-22 09:01:03,507 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:01:03,507 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:01:03,507 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:01:03,507 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:03,508 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:03,508 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:01:03,508 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:03,508 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:01:03,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states. [2019-10-22 09:01:03,557 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2019-10-22 09:01:03,558 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:03,558 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:03,567 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:03,567 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:03,567 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:01:03,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states. [2019-10-22 09:01:03,574 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81 [2019-10-22 09:01:03,574 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:03,574 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:03,575 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:03,575 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:03,583 INFO L791 eck$LassoCheckResult]: Stem: 75#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~6, main_~tmp~9;havoc main_~retValue_acc~6;havoc main_~tmp~9; 91#L930true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 116#L938true main_#t~ret62 := valid_product_#res;main_~tmp~9 := main_#t~ret62;havoc main_#t~ret62; 7#L800true assume 0 != main_~tmp~9; 48#L774true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 39#L697-1true [2019-10-22 09:01:03,590 INFO L793 eck$LassoCheckResult]: Loop: 39#L697-1true assume !false; 79#L55true assume test_~splverifierCounter~0 < 4; 35#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 45#L64true assume !(0 != test_~tmp~0); 44#L64-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 99#L74true assume !(0 != test_~tmp___0~0); 70#L74-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 10#L84true assume 0 != test_~tmp___2~0; 125#L90-2true assume !(0 != ~pumpRunning~0); 18#L125true assume !(0 != ~systemActive~0); 87#L132true havoc __utac_acc__Specification4_spec__1_#t~ret60, __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 61#L889true __utac_acc__Specification4_spec__1_#t~ret60 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret60;havoc __utac_acc__Specification4_spec__1_#t~ret60; 38#L697true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 39#L697-1true [2019-10-22 09:01:03,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:03,596 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 09:01:03,603 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:03,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17273380] [2019-10-22 09:01:03,605 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,605 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:03,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:04,290 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:04,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:04,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1679313406, now seen corresponding path program 1 times [2019-10-22 09:01:04,292 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:04,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255265833] [2019-10-22 09:01:04,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,292 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:04,315 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:04,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:04,316 INFO L82 PathProgramCache]: Analyzing trace with hash 34965532, now seen corresponding path program 1 times [2019-10-22 09:01:04,316 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:04,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662822371] [2019-10-22 09:01:04,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,317 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:04,481 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662822371] [2019-10-22 09:01:04,482 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:04,482 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 09:01:04,482 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661060666] [2019-10-22 09:01:04,579 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:04,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:04,596 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 6 states. [2019-10-22 09:01:04,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:04,718 INFO L93 Difference]: Finished difference Result 126 states and 178 transitions. [2019-10-22 09:01:04,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:04,725 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 178 transitions. [2019-10-22 09:01:04,733 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2019-10-22 09:01:04,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 119 states and 171 transitions. [2019-10-22 09:01:04,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 119 [2019-10-22 09:01:04,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 119 [2019-10-22 09:01:04,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 119 states and 171 transitions. [2019-10-22 09:01:04,749 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:04,749 INFO L688 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2019-10-22 09:01:04,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states and 171 transitions. [2019-10-22 09:01:04,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-22 09:01:04,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 09:01:04,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2019-10-22 09:01:04,793 INFO L711 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2019-10-22 09:01:04,793 INFO L591 BuchiCegarLoop]: Abstraction has 119 states and 171 transitions. [2019-10-22 09:01:04,793 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:01:04,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 119 states and 171 transitions. [2019-10-22 09:01:04,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2019-10-22 09:01:04,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:04,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:04,800 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:04,800 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:04,800 INFO L791 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 287#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~6, main_~tmp~9;havoc main_~retValue_acc~6;havoc main_~tmp~9; 288#L930 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 375#L938 main_#t~ret62 := valid_product_#res;main_~tmp~9 := main_#t~ret62;havoc main_#t~ret62; 279#L800 assume 0 != main_~tmp~9; 280#L774 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 327#L697-1 [2019-10-22 09:01:04,800 INFO L793 eck$LassoCheckResult]: Loop: 327#L697-1 assume !false; 331#L55 assume test_~splverifierCounter~0 < 4; 323#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 324#L64 assume !(0 != test_~tmp~0); 336#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 339#L74 assume !(0 != test_~tmp___0~0); 276#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 284#L84 assume 0 != test_~tmp___2~0; 285#L90-2 assume !(0 != ~pumpRunning~0); 298#L125 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 299#L183 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 314#L157-1 assume !(0 == ~pumpRunning~0); 271#L132 havoc __utac_acc__Specification4_spec__1_#t~ret60, __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 352#L889 __utac_acc__Specification4_spec__1_#t~ret60 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret60;havoc __utac_acc__Specification4_spec__1_#t~ret60; 326#L697 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 327#L697-1 [2019-10-22 09:01:04,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:04,801 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 09:01:04,801 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:04,801 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477031430] [2019-10-22 09:01:04,801 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,802 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:04,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,113 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:05,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1992761180, now seen corresponding path program 1 times [2019-10-22 09:01:05,118 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871678012] [2019-10-22 09:01:05,118 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,118 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:05,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:05,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871678012] [2019-10-22 09:01:05,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:05,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:05,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37522289] [2019-10-22 09:01:05,130 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 09:01:05,130 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:05,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:05,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:05,131 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. cyclomatic complexity: 54 Second operand 3 states. [2019-10-22 09:01:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:05,229 INFO L93 Difference]: Finished difference Result 160 states and 219 transitions. [2019-10-22 09:01:05,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:05,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 219 transitions. [2019-10-22 09:01:05,232 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2019-10-22 09:01:05,233 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 219 transitions. [2019-10-22 09:01:05,233 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2019-10-22 09:01:05,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2019-10-22 09:01:05,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 219 transitions. [2019-10-22 09:01:05,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:05,235 INFO L688 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2019-10-22 09:01:05,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 219 transitions. [2019-10-22 09:01:05,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2019-10-22 09:01:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2019-10-22 09:01:05,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 219 transitions. [2019-10-22 09:01:05,249 INFO L711 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2019-10-22 09:01:05,249 INFO L591 BuchiCegarLoop]: Abstraction has 160 states and 219 transitions. [2019-10-22 09:01:05,249 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 09:01:05,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 219 transitions. [2019-10-22 09:01:05,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110 [2019-10-22 09:01:05,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:05,251 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:05,251 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:01:05,251 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:05,252 INFO L791 eck$LassoCheckResult]: Stem: 653#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(77, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(101, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(116, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(104, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string68.base, #t~string68.offset, 1);call write~init~int(82, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(73, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(84, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 4 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(75, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1); 573#L-1 havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~6, main_~tmp~9;havoc main_~retValue_acc~6;havoc main_~tmp~9; 574#L930 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 666#L938 main_#t~ret62 := valid_product_#res;main_~tmp~9 := main_#t~ret62;havoc main_#t~ret62; 565#L800 assume 0 != main_~tmp~9; 566#L774 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 613#L697-1 [2019-10-22 09:01:05,252 INFO L793 eck$LassoCheckResult]: Loop: 613#L697-1 assume !false; 616#L55 assume test_~splverifierCounter~0 < 4; 609#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 610#L64 assume !(0 != test_~tmp~0); 621#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 624#L74 assume !(0 != test_~tmp___0~0); 562#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 570#L84 assume 0 != test_~tmp___2~0; 571#L90-2 assume !(0 != ~pumpRunning~0); 584#L125 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 585#L183 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 598#L157-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 629#L897-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 669#L902-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 677#L302-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 670#L302-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 654#L308-1 processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; 590#L161-1 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1); 557#L132 havoc __utac_acc__Specification4_spec__1_#t~ret60, __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 638#L889 __utac_acc__Specification4_spec__1_#t~ret60 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret60;havoc __utac_acc__Specification4_spec__1_#t~ret60; 612#L697 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 613#L697-1 [2019-10-22 09:01:05,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,252 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-10-22 09:01:05,252 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,253 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936790852] [2019-10-22 09:01:05,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,253 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,544 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:05,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,551 INFO L82 PathProgramCache]: Analyzing trace with hash 790147600, now seen corresponding path program 1 times [2019-10-22 09:01:05,551 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,551 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891538351] [2019-10-22 09:01:05,551 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,551 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,551 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,562 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:05,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:05,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1246218794, now seen corresponding path program 1 times [2019-10-22 09:01:05,569 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:05,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255703821] [2019-10-22 09:01:05,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,569 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:05,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:05,811 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:23,631 WARN L191 SmtUtils]: Spent 17.68 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:01:34,301 WARN L191 SmtUtils]: Spent 10.67 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:01:34,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:01:34 BoogieIcfgContainer [2019-10-22 09:01:34,349 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:01:34,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:34,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:34,350 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:34,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:03" (3/4) ... [2019-10-22 09:01:34,353 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:01:34,407 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b03c5283-87f6-4e46-ba62-963bfd8e4a47/bin/uautomizer/witness.graphml [2019-10-22 09:01:34,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:34,408 INFO L168 Benchmark]: Toolchain (without parser) took 32435.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 935.6 MB in the beginning and 896.6 MB in the end (delta: 39.0 MB). Peak memory consumption was 345.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:34,408 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:34,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:34,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.57 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:34,409 INFO L168 Benchmark]: Boogie Preprocessor took 42.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:34,409 INFO L168 Benchmark]: RCFGBuilder took 818.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:34,410 INFO L168 Benchmark]: BuchiAutomizer took 30899.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 899.8 MB in the end (delta: 131.2 MB). Peak memory consumption was 405.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:34,410 INFO L168 Benchmark]: Witness Printer took 57.16 ms. Allocated memory is still 1.3 GB. Free memory was 899.8 MB in the beginning and 896.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:34,412 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 550.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 935.6 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.57 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: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 818.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.1 MB). Peak memory consumption was 70.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 30899.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.0 GB in the beginning and 899.8 MB in the end (delta: 131.2 MB). Peak memory consumption was 405.5 MB. Max. memory is 11.5 GB. * Witness Printer took 57.16 ms. Allocated memory is still 1.3 GB. Free memory was 899.8 MB in the beginning and 896.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 160 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 30.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 30.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 160 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 329 SDtfs, 654 SDslu, 59 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 54]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7159} State at position 1 is {NULL=-19, NULL=0, NULL=0, NULL=0, NULL=7158, NULL=0, NULL=7159, NULL=-23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@fb99df3=0, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b22da90=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4aebd60e=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f40a253=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48237872=0, NULL=0, NULL=-24, NULL=-22, NULL=-13, NULL=-6, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, NULL=0, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35c9cd26=0, NULL=-15, tmp___1=0, NULL=-2, cleanupTimeShifts=4, tmp=0, NULL=-11, tmp___0=0, NULL=-10, NULL=-9, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f9ad2c6=0, \result=0, NULL=-17, NULL=-18, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=-7, \result=0, NULL=-12, NULL=-4, NULL=0, NULL=-14, NULL=0, NULL=0, NULL=0, \result=1, NULL=-1, NULL=0, tmp=1, retValue_acc=1, tmp=1, tmp___2=54, splverifierCounter=0, NULL=0, NULL=-21, NULL=-16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36e020d3=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c1fdaa1=0, head=0, tmp=0, NULL=-20, tmp=1, NULL=-5, NULL=0, NULL=0, NULL=-3, NULL=-8, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@da17e46=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L117] int pumpRunning = 0; [L118] int systemActive = 1; [L491] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L715] int cleanupTimeShifts = 4; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; [L791] int retValue_acc ; [L792] int tmp ; [L934] int retValue_acc ; [L937] retValue_acc = 1 [L938] return (retValue_acc); [L798] tmp = valid_product() [L800] COND TRUE \read(tmp) [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 Loop: [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L125] COND FALSE !(\read(pumpRunning)) [L132] COND TRUE \read(systemActive) [L180] int tmp ; [L183] COND FALSE !(\read(pumpRunning)) [L154] int tmp ; [L157] COND TRUE ! pumpRunning [L294] int retValue_acc ; [L295] int tmp ; [L296] int tmp___0 ; [L894] int retValue_acc ; [L897] COND TRUE waterLevel < 2 [L898] retValue_acc = 1 [L899] return (retValue_acc); [L300] tmp = isHighWaterSensorDry() [L302] COND TRUE \read(tmp) [L303] tmp___0 = 0 [L307] retValue_acc = tmp___0 [L308] return (retValue_acc); [L159] tmp = isHighWaterLevel() [L161] COND FALSE !(\read(tmp)) [L690] int tmp ; [L691] int tmp___0 ; [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L695] tmp = getWaterLevel() [L697] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...