./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/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 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 .................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.25-f470102 [2019-12-07 17:46:57,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:46:57,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:46:57,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:46:57,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:46:57,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:46:57,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:46:57,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:46:57,610 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:46:57,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:46:57,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:46:57,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:46:57,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:46:57,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:46:57,614 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:46:57,615 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:46:57,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:46:57,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:46:57,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:46:57,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:46:57,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:46:57,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:46:57,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:46:57,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:46:57,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:46:57,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:46:57,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:46:57,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:46:57,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:46:57,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:46:57,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:46:57,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:46:57,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:46:57,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:46:57,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:46:57,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:46:57,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:46:57,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:46:57,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:46:57,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:46:57,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:46:57,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 17:46:57,641 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:46:57,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:46:57,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:46:57,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:46:57,642 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:46:57,642 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:46:57,642 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:46:57,643 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:46:57,643 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:46:57,643 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:46:57,643 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:46:57,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:46:57,643 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:46:57,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:46:57,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:46:57,644 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:46:57,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:46:57,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:46:57,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:46:57,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:46:57,645 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:46:57,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:46:57,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:46:57,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:46:57,645 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:46:57,646 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:46:57,646 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/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/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 -> 52d4df169e32a92349e61a4b5d4d731cb2f40ee9 [2019-12-07 17:46:57,745 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:46:57,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:46:57,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:46:57,759 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:46:57,759 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:46:57,760 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-12-07 17:46:57,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/data/bca198d73/7fe2d11599084cdc8b4fb8ed2bd3b0f5/FLAG7d5733b31 [2019-12-07 17:46:58,202 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:46:58,202 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2019-12-07 17:46:58,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/data/bca198d73/7fe2d11599084cdc8b4fb8ed2bd3b0f5/FLAG7d5733b31 [2019-12-07 17:46:58,580 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/data/bca198d73/7fe2d11599084cdc8b4fb8ed2bd3b0f5 [2019-12-07 17:46:58,582 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:46:58,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:46:58,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:46:58,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:46:58,586 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:46:58,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ab61b38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58, skipping insertion in model container [2019-12-07 17:46:58,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:46:58,627 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:46:58,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:46:58,851 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:46:58,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:46:58,924 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:46:58,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58 WrapperNode [2019-12-07 17:46:58,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:46:58,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:46:58,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:46:58,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:46:58,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:46:58,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:46:58,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:46:58,975 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:46:58,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:58,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:59,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:59,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... [2019-12-07 17:46:59,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:46:59,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:46:59,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:46:59,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:46:59,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/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 [2019-12-07 17:46:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:46:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 17:46:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:46:59,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:46:59,482 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:46:59,482 INFO L287 CfgBuilder]: Removed 192 assume(true) statements. [2019-12-07 17:46:59,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:59 BoogieIcfgContainer [2019-12-07 17:46:59,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:46:59,483 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:46:59,484 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:46:59,486 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:46:59,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:59,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:46:58" (1/3) ... [2019-12-07 17:46:59,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ad6efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:46:59, skipping insertion in model container [2019-12-07 17:46:59,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:59,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:46:58" (2/3) ... [2019-12-07 17:46:59,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@51ad6efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:46:59, skipping insertion in model container [2019-12-07 17:46:59,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:46:59,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:59" (3/3) ... [2019-12-07 17:46:59,489 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2019-12-07 17:46:59,517 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:46:59,517 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:46:59,517 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:46:59,518 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:46:59,518 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:46:59,518 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:46:59,518 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:46:59,518 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:46:59,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-12-07 17:46:59,552 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-12-07 17:46:59,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:59,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:59,558 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:46:59,558 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:59,558 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:46:59,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 132 states. [2019-12-07 17:46:59,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 85 [2019-12-07 17:46:59,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:46:59,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:46:59,564 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:46:59,564 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:46:59,568 INFO L794 eck$LassoCheckResult]: Stem: 98#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7; 96#L490true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 99#L498true main_#t~ret39 := valid_product_#res;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 12#L585true assume 0 != main_~tmp~7; 71#L562true 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; 91#L344-1true [2019-12-07 17:46:59,568 INFO L796 eck$LassoCheckResult]: Loop: 91#L344-1true assume !false; 100#L55true assume test_~splverifierCounter~0 < 4; 62#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 69#L64true assume !(0 != test_~tmp~0); 67#L64-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 107#L74true assume !(0 != test_~tmp___0~0); 97#L74-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 8#L84true assume 0 != test_~tmp___2~0; 131#L90-2true assume !(0 != ~pumpRunning~0); 104#L126true assume !(0 != ~systemActive~0); 50#L133true havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 123#L437true __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 90#L344true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 91#L344-1true [2019-12-07 17:46:59,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:59,572 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-12-07 17:46:59,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:59,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446866934] [2019-12-07 17:46:59,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:59,781 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:59,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:59,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1679097918, now seen corresponding path program 1 times [2019-12-07 17:46:59,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:59,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097894369] [2019-12-07 17:46:59,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:46:59,796 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:46:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:46:59,798 INFO L82 PathProgramCache]: Analyzing trace with hash 35181020, now seen corresponding path program 1 times [2019-12-07 17:46:59,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:46:59,798 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191239752] [2019-12-07 17:46:59,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:46:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:46:59,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:46:59,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191239752] [2019-12-07 17:46:59,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:46:59,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 17:46:59,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381602065] [2019-12-07 17:46:59,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:46:59,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 17:46:59,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:46:59,960 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 6 states. [2019-12-07 17:47:00,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:00,045 INFO L93 Difference]: Finished difference Result 132 states and 187 transitions. [2019-12-07 17:47:00,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:47:00,047 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 187 transitions. [2019-12-07 17:47:00,052 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-12-07 17:47:00,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 125 states and 180 transitions. [2019-12-07 17:47:00,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2019-12-07 17:47:00,059 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 125 [2019-12-07 17:47:00,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 125 states and 180 transitions. [2019-12-07 17:47:00,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:47:00,060 INFO L688 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-12-07 17:47:00,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states and 180 transitions. [2019-12-07 17:47:00,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-12-07 17:47:00,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-12-07 17:47:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 180 transitions. [2019-12-07 17:47:00,084 INFO L711 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-12-07 17:47:00,084 INFO L591 BuchiCegarLoop]: Abstraction has 125 states and 180 transitions. [2019-12-07 17:47:00,084 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:47:00,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 180 transitions. [2019-12-07 17:47:00,086 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 83 [2019-12-07 17:47:00,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:47:00,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:47:00,087 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:47:00,087 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:47:00,087 INFO L794 eck$LassoCheckResult]: Stem: 397#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 295#L-1 havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7; 296#L490 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 396#L498 main_#t~ret39 := valid_product_#res;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 299#L585 assume 0 != main_~tmp~7; 300#L562 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; 351#L344-1 [2019-12-07 17:47:00,087 INFO L796 eck$LassoCheckResult]: Loop: 351#L344-1 assume !false; 391#L55 assume test_~splverifierCounter~0 < 4; 364#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 365#L64 assume !(0 != test_~tmp~0); 370#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 371#L74 assume !(0 != test_~tmp___0~0); 348#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 292#L84 assume 0 != test_~tmp___2~0; 293#L90-2 assume !(0 != ~pumpRunning~0); 402#L126 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 403#L184 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 334#L158-1 assume !(0 == ~pumpRunning~0); 336#L133 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 356#L437 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 390#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 351#L344-1 [2019-12-07 17:47:00,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:00,088 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-12-07 17:47:00,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:00,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889416160] [2019-12-07 17:47:00,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,168 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:47:00,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:00,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1986081045, now seen corresponding path program 1 times [2019-12-07 17:47:00,169 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:00,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164089686] [2019-12-07 17:47:00,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:00,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:47:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:47:00,181 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164089686] [2019-12-07 17:47:00,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:47:00,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:47:00,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929949865] [2019-12-07 17:47:00,182 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 17:47:00,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:47:00,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:47:00,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:47:00,183 INFO L87 Difference]: Start difference. First operand 125 states and 180 transitions. cyclomatic complexity: 57 Second operand 3 states. [2019-12-07 17:47:00,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:47:00,246 INFO L93 Difference]: Finished difference Result 166 states and 228 transitions. [2019-12-07 17:47:00,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:47:00,247 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 228 transitions. [2019-12-07 17:47:00,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-12-07 17:47:00,250 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 166 states and 228 transitions. [2019-12-07 17:47:00,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2019-12-07 17:47:00,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-12-07 17:47:00,251 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 228 transitions. [2019-12-07 17:47:00,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:47:00,252 INFO L688 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-12-07 17:47:00,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 228 transitions. [2019-12-07 17:47:00,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2019-12-07 17:47:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2019-12-07 17:47:00,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 228 transitions. [2019-12-07 17:47:00,259 INFO L711 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-12-07 17:47:00,259 INFO L591 BuchiCegarLoop]: Abstraction has 166 states and 228 transitions. [2019-12-07 17:47:00,259 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:47:00,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 228 transitions. [2019-12-07 17:47:00,261 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2019-12-07 17:47:00,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:47:00,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:47:00,261 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 17:47:00,261 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] [2019-12-07 17:47:00,262 INFO L794 eck$LassoCheckResult]: Stem: 696#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 592#L-1 havoc main_#res;havoc main_#t~ret39, main_~retValue_acc~10, main_~tmp~7;havoc main_~retValue_acc~10;havoc main_~tmp~7; 593#L490 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 695#L498 main_#t~ret39 := valid_product_#res;main_~tmp~7 := main_#t~ret39;havoc main_#t~ret39; 598#L585 assume 0 != main_~tmp~7; 599#L562 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; 649#L344-1 [2019-12-07 17:47:00,262 INFO L796 eck$LassoCheckResult]: Loop: 649#L344-1 assume !false; 690#L55 assume test_~splverifierCounter~0 < 4; 664#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 665#L64 assume !(0 != test_~tmp~0); 670#L64-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 671#L74 assume !(0 != test_~tmp___0~0); 646#L74-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 588#L84 assume 0 != test_~tmp___2~0; 589#L90-2 assume !(0 != ~pumpRunning~0); 701#L126 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 702#L184 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret4, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 631#L158-1 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~6;havoc isHighWaterSensorDry_~retValue_acc~6; 632#L445-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~6 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~6; 630#L450-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 619#L304-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 620#L304-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 586#L310-1 processEnvironment__wrappee__highWaterSensor_#t~ret4 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret4;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4; 587#L162-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 654#L133 havoc __utac_acc__Specification4_spec__1_#t~ret26, __utac_acc__Specification4_spec__1_#t~ret27, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 655#L437 __utac_acc__Specification4_spec__1_#t~ret26 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret26;havoc __utac_acc__Specification4_spec__1_#t~ret26; 689#L344 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 649#L344-1 [2019-12-07 17:47:00,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:00,262 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-12-07 17:47:00,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:00,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860028137] [2019-12-07 17:47:00,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:00,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,311 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:47:00,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:00,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1392929207, now seen corresponding path program 1 times [2019-12-07 17:47:00,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:00,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036636622] [2019-12-07 17:47:00,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,321 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:47:00,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:47:00,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1849000401, now seen corresponding path program 1 times [2019-12-07 17:47:00,322 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:47:00,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597962351] [2019-12-07 17:47:00,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:47:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:47:00,373 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:47:23,725 WARN L192 SmtUtils]: Spent 23.22 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-12-07 17:47:35,737 WARN L192 SmtUtils]: Spent 12.01 s on a formula simplification that was a NOOP. DAG size: 400 [2019-12-07 17:47:35,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:47:35 BoogieIcfgContainer [2019-12-07 17:47:35,791 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:47:35,791 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:47:35,791 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:47:35,791 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:47:35,792 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:46:59" (3/4) ... [2019-12-07 17:47:35,794 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 17:47:35,836 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_46459acc-528a-4dcc-af91-68485c9bb713/bin/uautomizer/witness.graphml [2019-12-07 17:47:35,836 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:47:35,837 INFO L168 Benchmark]: Toolchain (without parser) took 37253.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 936.6 MB in the beginning and 1.0 GB in the end (delta: -108.4 MB). Peak memory consumption was 57.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:35,837 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:47:35,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:35,838 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:35,839 INFO L168 Benchmark]: Boogie Preprocessor took 33.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:35,839 INFO L168 Benchmark]: RCFGBuilder took 474.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:35,840 INFO L168 Benchmark]: BuchiAutomizer took 36307.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -48.3 MB). Peak memory consumption was 222.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:35,840 INFO L168 Benchmark]: Witness Printer took 44.87 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:47:35,842 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 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -148.5 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 474.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.6 MB). Peak memory consumption was 70.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 36307.57 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 57.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -48.3 MB). Peak memory consumption was 222.8 MB. Max. memory is 11.5 GB. * Witness Printer took 44.87 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: 8.5 MB). Peak memory consumption was 8.5 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 166 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 35.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 166 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 347 SDtfs, 855 SDslu, 68 SDs, 0 SdLazy, 38 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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=1985} State at position 1 is {NULL=2003, NULL=0, NULL=0, NULL=0, NULL=1985, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@528a55d0=0, NULL=2005, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@583954f=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5acdb731=61, NULL=0, NULL=2009, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f8c1e29=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@505d6019=0, NULL=2006, NULL=1989, methaneLevelCritical=0, NULL=1986, tmp___0=0, NULL=0, NULL=0, NULL=1992, retValue_acc=0, NULL=2002, NULL=0, tmp___1=0, NULL=2004, NULL=2008, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ead806f=0, cleanupTimeShifts=4, tmp=0, tmp=0, NULL=1999, tmp___0=0, NULL=1993, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=2007, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17ab756e=0, NULL=1994, \result=0, tmp___0=0, NULL=1991, NULL=0, retValue_acc=0, \result=1, head=0, pumpRunning=0, \result=0, retValue_acc=1, NULL=1996, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=1988, NULL=0, \result=1, NULL=2001, retValue_acc=1, NULL=2000, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ba2a0d0=0, tmp=1, tmp=1, tmp___2=61, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=0, NULL=1987, NULL=1990, NULL=1998, tmp=0, head=0, NULL=1997, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33986fb7=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3455080c=0, NULL=0, NULL=0, NULL=2010, NULL=1995} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L118] int pumpRunning = 0; [L119] int systemActive = 1; [L362] int waterLevel = 1; [L363] int methaneLevelCritical = 0; [L503] int cleanupTimeShifts = 4; [L768] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L576] int retValue_acc ; [L577] int tmp ; [L494] int retValue_acc ; [L497] retValue_acc = 1 [L498] return (retValue_acc); [L583] tmp = valid_product() [L585] 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) [L126] COND FALSE !(\read(pumpRunning)) [L133] COND TRUE \read(systemActive) [L181] int tmp ; [L184] COND FALSE !(\read(pumpRunning)) [L155] int tmp ; [L158] COND TRUE ! pumpRunning [L296] int retValue_acc ; [L297] int tmp ; [L298] int tmp___0 ; [L442] int retValue_acc ; [L445] COND TRUE waterLevel < 2 [L446] retValue_acc = 1 [L447] return (retValue_acc); [L302] tmp = isHighWaterSensorDry() [L304] COND TRUE \read(tmp) [L305] tmp___0 = 0 [L309] retValue_acc = tmp___0 [L310] return (retValue_acc); [L160] tmp = isHighWaterLevel() [L162] COND FALSE !(\read(tmp)) [L337] int tmp ; [L338] int tmp___0 ; [L433] int retValue_acc ; [L436] retValue_acc = waterLevel [L437] return (retValue_acc); [L342] tmp = getWaterLevel() [L344] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...