./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product35.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_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/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 cad5f4eca7a20f7ca6dddfa07fda554bac28f7be ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:17:09,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:17:09,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:17:09,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:17:09,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:17:09,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:17:09,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:17:09,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:17:09,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:17:09,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:17:09,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:17:09,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:17:09,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:17:09,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:17:09,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:17:09,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:17:09,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:17:09,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:17:09,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:17:09,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:17:09,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:17:09,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:17:09,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:17:09,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:17:09,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:17:09,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:17:09,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:17:09,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:17:09,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:17:09,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:17:09,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:17:09,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:17:09,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:17:09,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:17:09,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:17:09,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:17:09,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:17:09,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:17:09,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:17:09,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:17:09,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:17:09,618 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 12:17:09,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:17:09,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:17:09,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:17:09,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:17:09,630 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:17:09,630 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 12:17:09,630 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 12:17:09,631 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 12:17:09,631 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 12:17:09,631 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 12:17:09,631 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 12:17:09,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:17:09,631 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:17:09,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:17:09,632 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 12:17:09,633 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:17:09,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 12:17:09,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:17:09,633 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:17:09,633 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 12:17:09,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:17:09,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:17:09,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:17:09,633 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 12:17:09,634 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 12:17:09,634 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_4131aeff-20a1-4634-9d83-769ccfd220f4/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 -> cad5f4eca7a20f7ca6dddfa07fda554bac28f7be [2019-12-07 12:17:09,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:17:09,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:17:09,747 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:17:09,748 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:17:09,748 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:17:09,749 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2019-12-07 12:17:09,789 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/data/734144a1f/ed54eaa148e94d89926c52062fbf83c9/FLAG0a38f155c [2019-12-07 12:17:10,135 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:17:10,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/sv-benchmarks/c/product-lines/minepump_spec4_product35.cil.c [2019-12-07 12:17:10,146 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/data/734144a1f/ed54eaa148e94d89926c52062fbf83c9/FLAG0a38f155c [2019-12-07 12:17:10,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/data/734144a1f/ed54eaa148e94d89926c52062fbf83c9 [2019-12-07 12:17:10,157 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:17:10,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:17:10,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:10,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:17:10,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:17:10,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@881d7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10, skipping insertion in model container [2019-12-07 12:17:10,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,168 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:17:10,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:17:10,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:10,429 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:17:10,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:17:10,494 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:17:10,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10 WrapperNode [2019-12-07 12:17:10,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:17:10,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:17:10,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:17:10,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:17:10,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:17:10,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:17:10,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:17:10,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:17:10,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,552 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... [2019-12-07 12:17:10,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:17:10,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:17:10,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:17:10,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:17:10,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/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 12:17:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:17:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 12:17:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:17:10,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:17:11,027 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:17:11,028 INFO L287 CfgBuilder]: Removed 100 assume(true) statements. [2019-12-07 12:17:11,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:17:11 BoogieIcfgContainer [2019-12-07 12:17:11,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:17:11,029 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 12:17:11,029 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 12:17:11,031 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 12:17:11,032 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:17:11,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:17:10" (1/3) ... [2019-12-07 12:17:11,033 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3970128b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:17:11, skipping insertion in model container [2019-12-07 12:17:11,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:17:11,033 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:17:10" (2/3) ... [2019-12-07 12:17:11,033 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3970128b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:17:11, skipping insertion in model container [2019-12-07 12:17:11,033 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 12:17:11,033 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:17:11" (3/3) ... [2019-12-07 12:17:11,034 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product35.cil.c [2019-12-07 12:17:11,070 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 12:17:11,070 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 12:17:11,070 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 12:17:11,070 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:17:11,070 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:17:11,070 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 12:17:11,070 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:17:11,071 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 12:17:11,081 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-12-07 12:17:11,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-12-07 12:17:11,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:17:11,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:17:11,103 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:17:11,104 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:17:11,104 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 12:17:11,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states. [2019-12-07 12:17:11,107 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-12-07 12:17:11,108 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:17:11,108 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:17:11,108 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:17:11,108 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:17:11,112 INFO L794 eck$LassoCheckResult]: Stem: 37#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~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 15#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 13#L811true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 19#L819true main_#t~ret25 := valid_product_#res;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 55#L400true assume 0 != main_~tmp~4; 44#L374true 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; 63#L123-1true [2019-12-07 12:17:11,112 INFO L796 eck$LassoCheckResult]: Loop: 63#L123-1true assume !false; 53#L56true assume test_~splverifierCounter~0 < 4; 78#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 21#L65true assume !(0 != test_~tmp~0); 20#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 73#L75true assume !(0 != test_~tmp___0~0); 72#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 48#L85true assume 0 != test_~tmp___2~0; 5#L91-1true assume !(0 != ~pumpRunning~0); 43#L155true assume !(0 != ~systemActive~0); 52#L162true havoc __utac_acc__Specification4_spec__1_#t~ret4, __utac_acc__Specification4_spec__1_#t~ret5, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 6#L899true __utac_acc__Specification4_spec__1_#t~ret4 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret4;havoc __utac_acc__Specification4_spec__1_#t~ret4; 66#L123true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 63#L123-1true [2019-12-07 12:17:11,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,116 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-12-07 12:17:11,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202911208] [2019-12-07 12:17:11,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,320 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:17:11,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941109, now seen corresponding path program 1 times [2019-12-07 12:17:11,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,321 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915942694] [2019-12-07 12:17:11,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,332 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:17:11,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,333 INFO L82 PathProgramCache]: Analyzing trace with hash 41337829, now seen corresponding path program 1 times [2019-12-07 12:17:11,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,334 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046890187] [2019-12-07 12:17:11,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:11,421 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 12:17:11,421 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046890187] [2019-12-07 12:17:11,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:11,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 12:17:11,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852323270] [2019-12-07 12:17:11,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:17:11,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:17:11,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:17:11,488 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 6 states. [2019-12-07 12:17:11,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:11,593 INFO L93 Difference]: Finished difference Result 198 states and 276 transitions. [2019-12-07 12:17:11,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 12:17:11,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 276 transitions. [2019-12-07 12:17:11,600 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 125 [2019-12-07 12:17:11,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 177 states and 255 transitions. [2019-12-07 12:17:11,606 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2019-12-07 12:17:11,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2019-12-07 12:17:11,607 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 255 transitions. [2019-12-07 12:17:11,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:17:11,608 INFO L688 BuchiCegarLoop]: Abstraction has 177 states and 255 transitions. [2019-12-07 12:17:11,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 255 transitions. [2019-12-07 12:17:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 111. [2019-12-07 12:17:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 12:17:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 12:17:11,635 INFO L711 BuchiCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 12:17:11,635 INFO L591 BuchiCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 12:17:11,635 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 12:17:11,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111 states and 159 transitions. [2019-12-07 12:17:11,636 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 78 [2019-12-07 12:17:11,637 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:17:11,637 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:17:11,637 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:17:11,637 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:17:11,637 INFO L794 eck$LassoCheckResult]: Stem: 346#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~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 314#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 311#L811 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 312#L819 main_#t~ret25 := valid_product_#res;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 319#L400 assume 0 != main_~tmp~4; 349#L374 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; 316#L123-1 [2019-12-07 12:17:11,638 INFO L796 eck$LassoCheckResult]: Loop: 316#L123-1 assume !false; 353#L56 assume test_~splverifierCounter~0 < 4; 354#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 322#L65 assume !(0 != test_~tmp~0); 320#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 321#L75 assume !(0 != test_~tmp___0~0); 361#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 352#L85 assume 0 != test_~tmp___2~0; 295#L91-1 assume !(0 != ~pumpRunning~0); 297#L155 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 333#L187 assume !(0 == ~pumpRunning~0); 335#L162 havoc __utac_acc__Specification4_spec__1_#t~ret4, __utac_acc__Specification4_spec__1_#t~ret5, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 298#L899 __utac_acc__Specification4_spec__1_#t~ret4 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret4;havoc __utac_acc__Specification4_spec__1_#t~ret4; 299#L123 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 316#L123-1 [2019-12-07 12:17:11,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,638 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-12-07 12:17:11,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949566927] [2019-12-07 12:17:11,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,695 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:17:11,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,695 INFO L82 PathProgramCache]: Analyzing trace with hash -353177349, now seen corresponding path program 1 times [2019-12-07 12:17:11,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014663037] [2019-12-07 12:17:11,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:17:11,703 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 12:17:11,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014663037] [2019-12-07 12:17:11,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:17:11,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:17:11,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544573524] [2019-12-07 12:17:11,704 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 12:17:11,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:17:11,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:17:11,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:17:11,704 INFO L87 Difference]: Start difference. First operand 111 states and 159 transitions. cyclomatic complexity: 51 Second operand 3 states. [2019-12-07 12:17:11,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:17:11,744 INFO L93 Difference]: Finished difference Result 150 states and 202 transitions. [2019-12-07 12:17:11,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:17:11,745 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 150 states and 202 transitions. [2019-12-07 12:17:11,747 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2019-12-07 12:17:11,749 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 150 states to 150 states and 202 transitions. [2019-12-07 12:17:11,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 150 [2019-12-07 12:17:11,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 150 [2019-12-07 12:17:11,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 150 states and 202 transitions. [2019-12-07 12:17:11,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 12:17:11,751 INFO L688 BuchiCegarLoop]: Abstraction has 150 states and 202 transitions. [2019-12-07 12:17:11,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states and 202 transitions. [2019-12-07 12:17:11,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2019-12-07 12:17:11,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2019-12-07 12:17:11,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 202 transitions. [2019-12-07 12:17:11,758 INFO L711 BuchiCegarLoop]: Abstraction has 150 states and 202 transitions. [2019-12-07 12:17:11,758 INFO L591 BuchiCegarLoop]: Abstraction has 150 states and 202 transitions. [2019-12-07 12:17:11,758 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 12:17:11,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 202 transitions. [2019-12-07 12:17:11,759 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 108 [2019-12-07 12:17:11,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 12:17:11,759 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 12:17:11,759 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-12-07 12:17:11,759 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] [2019-12-07 12:17:11,760 INFO L794 eck$LassoCheckResult]: Stem: 616#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~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(25);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 581#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 578#L811 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 579#L819 main_#t~ret25 := valid_product_#res;main_~tmp~4 := main_#t~ret25;havoc main_#t~ret25; 590#L400 assume 0 != main_~tmp~4; 622#L374 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; 623#L123-1 [2019-12-07 12:17:11,760 INFO L796 eck$LassoCheckResult]: Loop: 623#L123-1 assume !false; 683#L56 assume test_~splverifierCounter~0 < 4; 644#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 591#L65 assume !(0 != test_~tmp~0); 588#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 589#L75 assume !(0 != test_~tmp___0~0); 642#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 628#L85 assume 0 != test_~tmp___2~0; 567#L91-1 assume !(0 != ~pumpRunning~0); 621#L155 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret6, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 600#L187 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~3, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~3;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 601#L907 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 607#L912 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~3 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 617#L289 assume 0 != isHighWaterLevel_~tmp~3;isHighWaterLevel_~tmp___0~2 := 0; 612#L289-2 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 613#L295 processEnvironment_#t~ret6 := isHighWaterLevel_#res;processEnvironment_~tmp~2 := processEnvironment_#t~ret6;havoc processEnvironment_#t~ret6; 625#L191 assume !(0 != processEnvironment_~tmp~2); 627#L162 havoc __utac_acc__Specification4_spec__1_#t~ret4, __utac_acc__Specification4_spec__1_#t~ret5, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~10;havoc getWaterLevel_~retValue_acc~10;getWaterLevel_~retValue_acc~10 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~10; 631#L899 __utac_acc__Specification4_spec__1_#t~ret4 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret4;havoc __utac_acc__Specification4_spec__1_#t~ret4; 685#L123 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 623#L123-1 [2019-12-07 12:17:11,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,760 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-12-07 12:17:11,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,760 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979360322] [2019-12-07 12:17:11,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,831 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:17:11,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,832 INFO L82 PathProgramCache]: Analyzing trace with hash -539551513, now seen corresponding path program 1 times [2019-12-07 12:17:11,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,832 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635068073] [2019-12-07 12:17:11,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,845 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:17:11,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:17:11,846 INFO L82 PathProgramCache]: Analyzing trace with hash -524839539, now seen corresponding path program 1 times [2019-12-07 12:17:11,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:17:11,846 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438932080] [2019-12-07 12:17:11,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:17:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:17:11,920 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:17:35,639 WARN L192 SmtUtils]: Spent 23.59 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-12-07 12:17:47,694 WARN L192 SmtUtils]: Spent 12.05 s on a formula simplification that was a NOOP. DAG size: 400 [2019-12-07 12:17:47,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:17:47 BoogieIcfgContainer [2019-12-07 12:17:47,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 12:17:47,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:17:47,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:17:47,743 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:17:47,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:17:11" (3/4) ... [2019-12-07 12:17:47,746 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 12:17:47,780 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4131aeff-20a1-4634-9d83-769ccfd220f4/bin/uautomizer/witness.graphml [2019-12-07 12:17:47,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:17:47,781 INFO L168 Benchmark]: Toolchain (without parser) took 37623.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -65.4 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:47,782 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:17:47,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:47,782 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.31 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:47,783 INFO L168 Benchmark]: Boogie Preprocessor took 32.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:17:47,783 INFO L168 Benchmark]: RCFGBuilder took 454.81 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: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:47,783 INFO L168 Benchmark]: BuchiAutomizer took 36713.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 237.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:47,783 INFO L168 Benchmark]: Witness Printer took 37.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:17:47,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 932.7 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.31 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.88 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 454.81 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: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 36713.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 47.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.3 MB). Peak memory consumption was 237.2 MB. Max. memory is 11.5 GB. * Witness Printer took 37.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 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 150 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 36.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 36.3s. 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, 66 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 150 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 214 SDtfs, 476 SDslu, 590 SDs, 0 SdLazy, 64 SolverSat, 23 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6827} State at position 1 is {NULL=10507, NULL=0, NULL=0, NULL=20440, NULL=0, NULL=0, retValue_acc=1, NULL=6827, NULL=20427, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12e36ca9=0, retValue_acc=0, NULL=20442, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cb51acb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fb138a1=60, NULL=10508, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49d8ede9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bf4e88e=0, NULL=20438, NULL=10510, methaneLevelCritical=0, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, tmp___1=0, NULL=10509, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=10505, NULL=20432, NULL=10506, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f368eb4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cb7b1e7=0, NULL=0, systemActive=1, waterLevel=1, NULL=20439, \result=1, NULL=20443, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53d73b90=0, NULL=0, \result=0, NULL=20441, NULL=20444, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4595b20d=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=20430, NULL=20428, \result=0, NULL=20431, tmp=1, NULL=0, NULL=0, NULL=0, \result=1, NULL=20429, NULL=20435, tmp=1, retValue_acc=1, NULL=0, tmp=1, tmp___2=60, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=20433, tmp=0, head=0, NULL=10504, NULL=0, NULL=0, NULL=20434, NULL=20436, NULL=0, NULL=20437} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L148] int pumpRunning = 0; [L149] int systemActive = 1; [L315] int cleanupTimeShifts = 4; [L583] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L824] int waterLevel = 1; [L825] int methaneLevelCritical = 0; [L391] int retValue_acc ; [L392] int tmp ; [L815] int retValue_acc ; [L818] retValue_acc = 1 [L819] return (retValue_acc); [L398] tmp = valid_product() [L400] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L155] COND FALSE !(\read(pumpRunning)) [L162] COND TRUE \read(systemActive) [L184] int tmp ; [L187] COND TRUE ! pumpRunning [L281] int retValue_acc ; [L282] int tmp ; [L283] int tmp___0 ; [L904] int retValue_acc ; [L907] COND TRUE waterLevel < 2 [L908] retValue_acc = 1 [L909] return (retValue_acc); [L287] tmp = isHighWaterSensorDry() [L289] COND TRUE \read(tmp) [L290] tmp___0 = 0 [L294] retValue_acc = tmp___0 [L295] return (retValue_acc); [L189] tmp = isHighWaterLevel() [L191] COND FALSE !(\read(tmp)) [L116] int tmp ; [L117] int tmp___0 ; [L895] int retValue_acc ; [L898] retValue_acc = waterLevel [L899] return (retValue_acc); [L121] tmp = getWaterLevel() [L123] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...