./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/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 5a35b365de7365eb1088366c2b8165f4a523d787 .................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 08:24:13,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 08:24:13,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 08:24:13,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 08:24:13,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 08:24:13,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 08:24:13,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 08:24:13,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 08:24:13,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 08:24:13,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 08:24:13,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 08:24:13,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 08:24:13,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 08:24:13,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 08:24:13,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 08:24:13,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 08:24:13,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 08:24:13,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 08:24:13,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 08:24:13,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 08:24:13,704 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 08:24:13,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 08:24:13,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 08:24:13,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 08:24:13,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 08:24:13,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 08:24:13,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 08:24:13,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 08:24:13,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 08:24:13,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 08:24:13,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 08:24:13,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 08:24:13,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 08:24:13,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 08:24:13,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 08:24:13,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 08:24:13,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 08:24:13,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 08:24:13,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 08:24:13,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 08:24:13,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 08:24:13,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 08:24:13,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 08:24:13,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 08:24:13,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 08:24:13,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 08:24:13,743 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 08:24:13,743 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 08:24:13,743 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 08:24:13,744 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 08:24:13,744 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 08:24:13,744 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 08:24:13,744 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 08:24:13,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 08:24:13,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 08:24:13,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 08:24:13,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 08:24:13,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 08:24:13,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 08:24:13,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 08:24:13,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 08:24:13,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 08:24:13,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 08:24:13,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 08:24:13,746 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 08:24:13,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 08:24:13,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 08:24:13,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 08:24:13,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 08:24:13,747 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 08:24:13,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 08:24:13,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 08:24:13,748 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 08:24:13,748 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 08:24:13,749 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_cbe0c215-974b-4e86-ba85-30dcb310d811/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 -> 5a35b365de7365eb1088366c2b8165f4a523d787 [2019-11-20 08:24:13,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 08:24:13,908 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 08:24:13,910 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 08:24:13,912 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 08:24:13,913 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 08:24:13,914 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-20 08:24:13,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/data/59968a3b5/1b63c8c3c4344e92b57d1cefed301d1f/FLAG9542140fe [2019-11-20 08:24:14,383 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 08:24:14,383 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2019-11-20 08:24:14,397 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/data/59968a3b5/1b63c8c3c4344e92b57d1cefed301d1f/FLAG9542140fe [2019-11-20 08:24:14,713 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/data/59968a3b5/1b63c8c3c4344e92b57d1cefed301d1f [2019-11-20 08:24:14,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 08:24:14,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 08:24:14,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 08:24:14,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 08:24:14,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 08:24:14,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:24:14" (1/1) ... [2019-11-20 08:24:14,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d7e20c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:14, skipping insertion in model container [2019-11-20 08:24:14,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:24:14" (1/1) ... [2019-11-20 08:24:14,732 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 08:24:14,770 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 08:24:15,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:24:15,164 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 08:24:15,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 08:24:15,269 INFO L192 MainTranslator]: Completed translation [2019-11-20 08:24:15,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15 WrapperNode [2019-11-20 08:24:15,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 08:24:15,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 08:24:15,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 08:24:15,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 08:24:15,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 08:24:15,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 08:24:15,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 08:24:15,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 08:24:15,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... [2019-11-20 08:24:15,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 08:24:15,384 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 08:24:15,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 08:24:15,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 08:24:15,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/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 [2019-11-20 08:24:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 08:24:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 08:24:15,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 08:24:15,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 08:24:16,289 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 08:24:16,290 INFO L285 CfgBuilder]: Removed 196 assume(true) statements. [2019-11-20 08:24:16,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:24:16 BoogieIcfgContainer [2019-11-20 08:24:16,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 08:24:16,292 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 08:24:16,292 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 08:24:16,295 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 08:24:16,296 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:24:16,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 08:24:14" (1/3) ... [2019-11-20 08:24:16,298 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d66319e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:24:16, skipping insertion in model container [2019-11-20 08:24:16,298 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:24:16,298 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:24:15" (2/3) ... [2019-11-20 08:24:16,299 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d66319e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 08:24:16, skipping insertion in model container [2019-11-20 08:24:16,299 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 08:24:16,300 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:24:16" (3/3) ... [2019-11-20 08:24:16,303 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2019-11-20 08:24:16,354 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 08:24:16,355 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 08:24:16,355 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 08:24:16,355 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 08:24:16,355 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 08:24:16,355 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 08:24:16,355 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 08:24:16,355 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 08:24:16,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2019-11-20 08:24:16,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87 [2019-11-20 08:24:16,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:24:16,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:24:16,416 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:24:16,416 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:24:16,416 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 08:24:16,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states. [2019-11-20 08:24:16,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 87 [2019-11-20 08:24:16,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:24:16,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:24:16,430 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:24:16,430 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:24:16,434 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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); 14#L-1true havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 17#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 12#L73true main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 55#L499true assume 0 != main_~tmp~7; 126#L476true havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 61#L89-1true [2019-11-20 08:24:16,434 INFO L796 eck$LassoCheckResult]: Loop: 61#L89-1true assume !false; 135#L123true assume test_~splverifierCounter~0 < 4; 88#L124true test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 129#L132true assume !(0 != test_~tmp~1); 127#L132-1true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 27#L142true assume !(0 != test_~tmp___0~1); 24#L142-1true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 81#L152true assume 0 != test_~tmp___2~0; 30#L158-1true assume !(0 != ~pumpRunning~0); 38#L194true assume !(0 != ~systemActive~0); 98#L201true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 9#L588true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 63#L89true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 61#L89-1true [2019-11-20 08:24:16,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:16,440 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 08:24:16,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:16,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461806370] [2019-11-20 08:24:16,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:16,713 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:24:16,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:16,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1670509173, now seen corresponding path program 1 times [2019-11-20 08:24:16,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:16,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562932565] [2019-11-20 08:24:16,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:16,728 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:24:16,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:16,730 INFO L82 PathProgramCache]: Analyzing trace with hash 43769765, now seen corresponding path program 1 times [2019-11-20 08:24:16,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:16,730 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607190489] [2019-11-20 08:24:16,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:24:16,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:24:16,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607190489] [2019-11-20 08:24:16,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:24:16,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-20 08:24:16,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499868804] [2019-11-20 08:24:17,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:24:17,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 08:24:17,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-20 08:24:17,022 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 6 states. [2019-11-20 08:24:17,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:24:17,222 INFO L93 Difference]: Finished difference Result 312 states and 444 transitions. [2019-11-20 08:24:17,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-20 08:24:17,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 444 transitions. [2019-11-20 08:24:17,233 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 201 [2019-11-20 08:24:17,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 291 states and 423 transitions. [2019-11-20 08:24:17,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2019-11-20 08:24:17,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2019-11-20 08:24:17,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 423 transitions. [2019-11-20 08:24:17,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:24:17,247 INFO L688 BuchiCegarLoop]: Abstraction has 291 states and 423 transitions. [2019-11-20 08:24:17,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 423 transitions. [2019-11-20 08:24:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 168. [2019-11-20 08:24:17,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2019-11-20 08:24:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 243 transitions. [2019-11-20 08:24:17,313 INFO L711 BuchiCegarLoop]: Abstraction has 168 states and 243 transitions. [2019-11-20 08:24:17,313 INFO L591 BuchiCegarLoop]: Abstraction has 168 states and 243 transitions. [2019-11-20 08:24:17,313 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 08:24:17,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 243 transitions. [2019-11-20 08:24:17,317 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2019-11-20 08:24:17,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:24:17,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:24:17,318 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:24:17,318 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 08:24:17,318 INFO L794 eck$LassoCheckResult]: Stem: 586#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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); 490#L-1 havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 491#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 486#L73 main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 487#L499 assume 0 != main_~tmp~7; 546#L476 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 549#L89-1 [2019-11-20 08:24:17,319 INFO L796 eck$LassoCheckResult]: Loop: 549#L89-1 assume !false; 550#L123 assume test_~splverifierCounter~0 < 4; 571#L124 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 572#L132 assume !(0 != test_~tmp~1); 588#L132-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 514#L142 assume !(0 != test_~tmp___0~1); 507#L142-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 508#L152 assume 0 != test_~tmp___2~0; 520#L158-1 assume !(0 != ~pumpRunning~0); 502#L194 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 477#L252 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 479#L226-1 assume !(0 == ~pumpRunning~0); 470#L201 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 480#L588 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 481#L89 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 549#L89-1 [2019-11-20 08:24:17,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:17,319 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 08:24:17,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:17,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601433820] [2019-11-20 08:24:17,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,411 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:24:17,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:17,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1972735892, now seen corresponding path program 1 times [2019-11-20 08:24:17,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:17,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724281429] [2019-11-20 08:24:17,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 08:24:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 08:24:17,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724281429] [2019-11-20 08:24:17,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 08:24:17,434 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 08:24:17,434 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477656388] [2019-11-20 08:24:17,434 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 08:24:17,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 08:24:17,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 08:24:17,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 08:24:17,435 INFO L87 Difference]: Start difference. First operand 168 states and 243 transitions. cyclomatic complexity: 78 Second operand 3 states. [2019-11-20 08:24:17,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 08:24:17,532 INFO L93 Difference]: Finished difference Result 207 states and 283 transitions. [2019-11-20 08:24:17,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 08:24:17,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 283 transitions. [2019-11-20 08:24:17,536 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2019-11-20 08:24:17,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 207 states and 283 transitions. [2019-11-20 08:24:17,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2019-11-20 08:24:17,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2019-11-20 08:24:17,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 283 transitions. [2019-11-20 08:24:17,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 08:24:17,541 INFO L688 BuchiCegarLoop]: Abstraction has 207 states and 283 transitions. [2019-11-20 08:24:17,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 283 transitions. [2019-11-20 08:24:17,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2019-11-20 08:24:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2019-11-20 08:24:17,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 283 transitions. [2019-11-20 08:24:17,551 INFO L711 BuchiCegarLoop]: Abstraction has 207 states and 283 transitions. [2019-11-20 08:24:17,551 INFO L591 BuchiCegarLoop]: Abstraction has 207 states and 283 transitions. [2019-11-20 08:24:17,551 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 08:24:17,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 283 transitions. [2019-11-20 08:24:17,553 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 146 [2019-11-20 08:24:17,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 08:24:17,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 08:24:17,555 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 08:24:17,555 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] [2019-11-20 08:24:17,555 INFO L794 eck$LassoCheckResult]: Stem: 979#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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); 868#L-1 havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~6, main_~tmp~7;havoc main_~retValue_acc~6;havoc main_~tmp~7; 869#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 864#L73 main_#t~ret29 := valid_product_#res;main_~tmp~7 := main_#t~ret29;havoc main_#t~ret29; 865#L499 assume 0 != main_~tmp~7; 929#L476 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 982#L89-1 [2019-11-20 08:24:17,556 INFO L796 eck$LassoCheckResult]: Loop: 982#L89-1 assume !false; 1028#L123 assume test_~splverifierCounter~0 < 4; 958#L124 test_~tmp~1 := test_#t~nondet3;havoc test_#t~nondet3; 959#L132 assume !(0 != test_~tmp~1); 981#L132-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 892#L142 assume !(0 != test_~tmp___0~1); 885#L142-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 886#L152 assume 0 != test_~tmp___2~0; 898#L158-1 assume !(0 != ~pumpRunning~0); 899#L194 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 856#L252 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 857#L226-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret27, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 872#L596-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 873#L601-1 isHighWaterLevel_#t~ret27 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret27;havoc isHighWaterLevel_#t~ret27; 916#L372-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 949#L372-5 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 910#L378-1 processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; 849#L230-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2); 850#L201 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 968#L588 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 1029#L89 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 982#L89-1 [2019-11-20 08:24:17,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:17,556 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-20 08:24:17,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:17,557 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507277139] [2019-11-20 08:24:17,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,643 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:24:17,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:17,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1765215488, now seen corresponding path program 1 times [2019-11-20 08:24:17,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:17,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472691024] [2019-11-20 08:24:17,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,668 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:24:17,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 08:24:17,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1309144294, now seen corresponding path program 1 times [2019-11-20 08:24:17,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 08:24:17,670 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92163293] [2019-11-20 08:24:17,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 08:24:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 08:24:17,775 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 08:24:17,911 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-20 08:24:41,458 WARN L191 SmtUtils]: Spent 23.47 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 08:24:53,677 WARN L191 SmtUtils]: Spent 12.21 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 08:24:53,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 08:24:53 BoogieIcfgContainer [2019-11-20 08:24:53,760 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 08:24:53,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 08:24:53,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 08:24:53,760 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 08:24:53,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:24:16" (3/4) ... [2019-11-20 08:24:53,764 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 08:24:53,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cbe0c215-974b-4e86-ba85-30dcb310d811/bin/uautomizer/witness.graphml [2019-11-20 08:24:53,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 08:24:53,812 INFO L168 Benchmark]: Toolchain (without parser) took 39094.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -121.9 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2019-11-20 08:24:53,812 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 08:24:53,813 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 08:24:53,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:24:53,813 INFO L168 Benchmark]: Boogie Preprocessor took 48.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 08:24:53,814 INFO L168 Benchmark]: RCFGBuilder took 906.99 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. [2019-11-20 08:24:53,814 INFO L168 Benchmark]: BuchiAutomizer took 37467.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -35.4 MB). Peak memory consumption was 227.6 MB. Max. memory is 11.5 GB. [2019-11-20 08:24:53,815 INFO L168 Benchmark]: Witness Printer took 50.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-11-20 08:24:53,817 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 551.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 906.99 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: 65.4 MB). Peak memory consumption was 65.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37467.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -35.4 MB). Peak memory consumption was 227.6 MB. Max. memory is 11.5 GB. * Witness Printer took 50.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 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 207 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 36.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 123 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 207 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 358 SDtfs, 863 SDslu, 860 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 122]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6943} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=6943, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51b31c98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4050df7c=59, NULL=6958, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70be4292=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e349804=0, NULL=0, NULL=0, NULL=6947, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53e2118e=0, NULL=6965, methaneLevelCritical=0, NULL=6962, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=6950, NULL=6968, NULL=0, tmp___1=0, NULL=6953, tmp___0=0, NULL=6955, cleanupTimeShifts=4, tmp=0, NULL=6967, tmp=0, NULL=6966, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74e4dda0=0, NULL=0, systemActive=1, waterLevel=1, NULL=6961, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36313a18=0, NULL=0, NULL=6946, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47e71246=0, NULL=6963, \result=0, NULL=6949, NULL=0, \result=1, retValue_acc=1, NULL=6960, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b2b42f5=0, \result=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=6954, \result=1, NULL=6948, NULL=6956, tmp=1, NULL=6944, NULL=0, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5251d9ba=0, retValue_acc=1, tmp___2=59, tmp=1, tmp___0=0, NULL=6957, splverifierCounter=0, NULL=0, NULL=6952, NULL=6945, tmp=0, head=0, NULL=0, NULL=6964, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6951, NULL=0, NULL=0, NULL=6959} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L187] int pumpRunning = 0; [L188] int systemActive = 1; [L417] int cleanupTimeShifts = 4; [L513] int waterLevel = 1; [L514] int methaneLevelCritical = 0; [L794] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int retValue_acc ; [L491] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L497] tmp = valid_product() [L499] COND TRUE \read(tmp) [L113] int splverifierCounter ; [L114] int tmp ; [L115] int tmp___0 ; [L116] int tmp___1 ; [L117] int tmp___2 ; [L120] splverifierCounter = 0 Loop: [L122] COND TRUE 1 [L124] COND TRUE splverifierCounter < 4 [L130] tmp = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp)) [L140] tmp___0 = __VERIFIER_nondet_int() [L142] COND FALSE !(\read(tmp___0)) [L150] tmp___2 = __VERIFIER_nondet_int() [L152] COND TRUE \read(tmp___2) [L194] COND FALSE !(\read(pumpRunning)) [L201] COND TRUE \read(systemActive) [L249] int tmp ; [L252] COND FALSE !(\read(pumpRunning)) [L223] int tmp ; [L226] COND TRUE ! pumpRunning [L364] int retValue_acc ; [L365] int tmp ; [L366] int tmp___0 ; [L593] int retValue_acc ; [L596] COND TRUE waterLevel < 2 [L597] retValue_acc = 1 [L598] return (retValue_acc); [L370] tmp = isHighWaterSensorDry() [L372] COND TRUE \read(tmp) [L373] tmp___0 = 0 [L377] retValue_acc = tmp___0 [L378] return (retValue_acc); [L228] tmp = isHighWaterLevel() [L230] COND FALSE !(\read(tmp)) [L82] int tmp ; [L83] int tmp___0 ; [L584] int retValue_acc ; [L587] retValue_acc = waterLevel [L588] return (retValue_acc); [L87] tmp = getWaterLevel() [L89] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...