./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.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_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/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 bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 10:07:23,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:07:23,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:07:23,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:07:23,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:07:23,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:07:23,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:07:23,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:07:23,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:07:23,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:07:23,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:07:23,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:07:23,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:07:23,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:07:23,713 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:07:23,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:07:23,715 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:07:23,716 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:07:23,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:07:23,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:07:23,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:07:23,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:07:23,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:07:23,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:07:23,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:07:23,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:07:23,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:07:23,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:07:23,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:07:23,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:07:23,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:07:23,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:07:23,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:07:23,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:07:23,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:07:23,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:07:23,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:07:23,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:07:23,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:07:23,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:07:23,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:07:23,755 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 10:07:23,775 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:07:23,776 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:07:23,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:07:23,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:07:23,778 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:07:23,778 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:07:23,778 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:07:23,778 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:07:23,778 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:07:23,778 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:07:23,779 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:07:23,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:07:23,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:07:23,780 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:07:23,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:07:23,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:07:23,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:07:23,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:07:23,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:07:23,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:07:23,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:07:23,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:07:23,782 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:07:23,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:07:23,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:07:23,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:07:23,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:07:23,783 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:07:23,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:07:23,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:07:23,784 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:07:23,784 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:07:23,785 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_4b541394-29eb-4787-a56d-36acf86faa98/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 -> bccdbc1fe3b58d50f3d739d9520ef3bab8ad5778 [2019-11-20 10:07:23,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:07:23,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:07:23,927 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:07:23,929 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:07:23,929 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:07:23,929 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-11-20 10:07:23,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/data/2a0d8ae1c/4778b434713a4c148f21939ba66fa5bb/FLAG1043c3775 [2019-11-20 10:07:24,391 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:07:24,392 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/sv-benchmarks/c/product-lines/minepump_spec3_product28.cil.c [2019-11-20 10:07:24,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/data/2a0d8ae1c/4778b434713a4c148f21939ba66fa5bb/FLAG1043c3775 [2019-11-20 10:07:24,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/data/2a0d8ae1c/4778b434713a4c148f21939ba66fa5bb [2019-11-20 10:07:24,728 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:07:24,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:07:24,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:07:24,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:07:24,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:07:24,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:07:24" (1/1) ... [2019-11-20 10:07:24,736 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 10:07:24, skipping insertion in model container [2019-11-20 10:07:24,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:07:24" (1/1) ... [2019-11-20 10:07:24,743 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:07:24,809 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:07:25,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:07:25,185 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:07:25,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:07:25,293 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:07:25,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25 WrapperNode [2019-11-20 10:07:25,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:07:25,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:07:25,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:07:25,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:07:25,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:07:25,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:07:25,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:07:25,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:07:25,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... [2019-11-20 10:07:25,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:07:25,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:07:25,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:07:25,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:07:25,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/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 10:07:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:07:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 10:07:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:07:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:07:26,115 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:07:26,116 INFO L285 CfgBuilder]: Removed 108 assume(true) statements. [2019-11-20 10:07:26,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:26 BoogieIcfgContainer [2019-11-20 10:07:26,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:07:26,118 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:07:26,119 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:07:26,122 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:07:26,122 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:07:26,123 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:07:24" (1/3) ... [2019-11-20 10:07:26,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72576ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:07:26, skipping insertion in model container [2019-11-20 10:07:26,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:07:26,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:07:25" (2/3) ... [2019-11-20 10:07:26,124 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72576ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:07:26, skipping insertion in model container [2019-11-20 10:07:26,124 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:07:26,124 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:26" (3/3) ... [2019-11-20 10:07:26,126 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product28.cil.c [2019-11-20 10:07:26,171 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:07:26,173 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:07:26,173 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:07:26,173 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:07:26,173 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:07:26,173 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:07:26,173 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:07:26,173 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:07:26,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2019-11-20 10:07:26,212 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-11-20 10:07:26,212 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:07:26,212 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:07:26,218 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:07:26,218 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:07:26,218 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:07:26,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states. [2019-11-20 10:07:26,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2019-11-20 10:07:26,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:07:26,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:07:26,225 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:07:26,225 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:07:26,230 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25); 17#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 20#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; 15#L73true main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 39#L527true assume 0 != main_~tmp~4; 5#L504true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 52#L565-1true [2019-11-20 10:07:26,231 INFO L796 eck$LassoCheckResult]: Loop: 52#L565-1true assume !false; 31#L297true assume test_~splverifierCounter~0 < 4; 76#L298true test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 78#L306true assume !(0 != test_~tmp~3); 80#L306-1true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 58#L316true assume !(0 != test_~tmp___0~1); 60#L316-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 37#L326true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 44#L334-1true assume !(0 != ~pumpRunning~0); 79#L97true assume !(0 != ~systemActive~0); 50#L104true havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 40#L399true __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 24#L559true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 52#L565-1true [2019-11-20 10:07:26,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:26,237 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 10:07:26,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:26,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518836098] [2019-11-20 10:07:26,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:26,600 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:07:26,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:26,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140737, now seen corresponding path program 1 times [2019-11-20 10:07:26,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:26,602 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138373994] [2019-11-20 10:07:26,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:07:26,644 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 10:07:26,645 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138373994] [2019-11-20 10:07:26,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:07:26,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:07:26,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193777417] [2019-11-20 10:07:26,651 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 10:07:26,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:07:26,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:07:26,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:07:26,668 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 3 states. [2019-11-20 10:07:26,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:07:26,732 INFO L93 Difference]: Finished difference Result 154 states and 216 transitions. [2019-11-20 10:07:26,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:07:26,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 216 transitions. [2019-11-20 10:07:26,743 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2019-11-20 10:07:26,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 140 states and 201 transitions. [2019-11-20 10:07:26,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 140 [2019-11-20 10:07:26,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 140 [2019-11-20 10:07:26,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 140 states and 201 transitions. [2019-11-20 10:07:26,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:07:26,760 INFO L688 BuchiCegarLoop]: Abstraction has 140 states and 201 transitions. [2019-11-20 10:07:26,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states and 201 transitions. [2019-11-20 10:07:26,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2019-11-20 10:07:26,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-20 10:07:26,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-11-20 10:07:26,810 INFO L711 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-20 10:07:26,810 INFO L591 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-20 10:07:26,811 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:07:26,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-11-20 10:07:26,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-11-20 10:07:26,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:07:26,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:07:26,818 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:07:26,818 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:07:26,818 INFO L794 eck$LassoCheckResult]: Stem: 287#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25); 268#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 269#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; 264#L73 main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 265#L527 assume 0 != main_~tmp~4; 247#L504 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 248#L565-1 [2019-11-20 10:07:26,819 INFO L796 eck$LassoCheckResult]: Loop: 248#L565-1 assume !false; 341#L297 assume test_~splverifierCounter~0 < 4; 328#L298 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 329#L306 assume !(0 != test_~tmp~3); 301#L306-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 332#L316 assume !(0 != test_~tmp___0~1); 317#L316-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 290#L326 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 291#L334-1 assume !(0 != ~pumpRunning~0); 286#L97 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 331#L129 assume !(0 != ~pumpRunning~0); 303#L104 havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 294#L399 __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 275#L559 assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 248#L565-1 [2019-11-20 10:07:26,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:26,819 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 10:07:26,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:26,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527968600] [2019-11-20 10:07:26,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:26,944 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:07:26,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:26,945 INFO L82 PathProgramCache]: Analyzing trace with hash -323747826, now seen corresponding path program 1 times [2019-11-20 10:07:26,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:26,946 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144095671] [2019-11-20 10:07:26,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:26,976 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:07:26,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:26,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291700, now seen corresponding path program 1 times [2019-11-20 10:07:26,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:26,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847372011] [2019-11-20 10:07:26,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:07:27,072 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 10:07:27,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847372011] [2019-11-20 10:07:27,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:07:27,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:07:27,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355686975] [2019-11-20 10:07:27,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:07:27,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 10:07:27,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-20 10:07:27,206 INFO L87 Difference]: Start difference. First operand 138 states and 198 transitions. cyclomatic complexity: 63 Second operand 5 states. [2019-11-20 10:07:27,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:07:27,369 INFO L93 Difference]: Finished difference Result 469 states and 686 transitions. [2019-11-20 10:07:27,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:07:27,372 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 469 states and 686 transitions. [2019-11-20 10:07:27,378 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 348 [2019-11-20 10:07:27,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 469 states to 469 states and 686 transitions. [2019-11-20 10:07:27,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 469 [2019-11-20 10:07:27,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 469 [2019-11-20 10:07:27,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 469 states and 686 transitions. [2019-11-20 10:07:27,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:07:27,400 INFO L688 BuchiCegarLoop]: Abstraction has 469 states and 686 transitions. [2019-11-20 10:07:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states and 686 transitions. [2019-11-20 10:07:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 270. [2019-11-20 10:07:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2019-11-20 10:07:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 382 transitions. [2019-11-20 10:07:27,424 INFO L711 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2019-11-20 10:07:27,424 INFO L591 BuchiCegarLoop]: Abstraction has 270 states and 382 transitions. [2019-11-20 10:07:27,424 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 10:07:27,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 270 states and 382 transitions. [2019-11-20 10:07:27,427 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 192 [2019-11-20 10:07:27,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:07:27,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:07:27,428 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 10:07:27,429 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:07:27,429 INFO L794 eck$LassoCheckResult]: Stem: 912#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(110, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(102, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 3 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(80, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(117, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(109, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(112, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string28.base, #t~string28.offset, 1);call write~init~int(77, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(101, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(116, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(104, #t~string28.base, 4 + #t~string28.offset, 1);call write~init~int(58, #t~string28.base, 5 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 6 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string30.base, #t~string30.offset, 1);call write~init~int(82, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(73, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(84, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 4 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(75, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25); 892#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~8, main_~tmp~4;havoc main_~retValue_acc~8;havoc main_~tmp~4; 893#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; 888#L73 main_#t~ret35 := valid_product_#res;main_~tmp~4 := main_#t~ret35;havoc main_#t~ret35; 889#L527 assume 0 != main_~tmp~4; 872#L504 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 873#L565-1 [2019-11-20 10:07:27,429 INFO L796 eck$LassoCheckResult]: Loop: 873#L565-1 assume !false; 1018#L297 assume test_~splverifierCounter~0 < 4; 1019#L298 test_~tmp~3 := test_#t~nondet21;havoc test_#t~nondet21; 1073#L306 assume !(0 != test_~tmp~3); 1070#L306-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 1068#L316 assume !(0 != test_~tmp___0~1); 1066#L316-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 1065#L326 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1061#L334-1 assume !(0 != ~pumpRunning~0); 1059#L97 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 1057#L129 assume !(0 != ~pumpRunning~0); 1028#L104 havoc __utac_acc__Specification3_spec__1_#t~ret36, __utac_acc__Specification3_spec__1_#t~ret37, __utac_acc__Specification3_spec__1_#t~ret38, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 1027#L399 __utac_acc__Specification3_spec__1_#t~ret36 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret36;havoc __utac_acc__Specification3_spec__1_#t~ret36; 1026#L559 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 1025#L431 __utac_acc__Specification3_spec__1_#t~ret37 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret37;havoc __utac_acc__Specification3_spec__1_#t~ret37; 1022#L565 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 873#L565-1 [2019-11-20 10:07:27,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:27,430 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-20 10:07:27,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:27,430 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389044177] [2019-11-20 10:07:27,430 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:27,520 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:07:27,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:27,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1884009248, now seen corresponding path program 1 times [2019-11-20 10:07:27,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:27,521 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386245032] [2019-11-20 10:07:27,521 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:27,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:27,531 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:07:27,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:07:27,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1038683270, now seen corresponding path program 1 times [2019-11-20 10:07:27,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:07:27,532 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166703969] [2019-11-20 10:07:27,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:07:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:07:27,615 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:07:54,502 WARN L191 SmtUtils]: Spent 26.74 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 10:08:07,670 WARN L191 SmtUtils]: Spent 13.17 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 10:08:07,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:08:07 BoogieIcfgContainer [2019-11-20 10:08:07,728 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:08:07,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:08:07,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:08:07,729 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:08:07,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:07:26" (3/4) ... [2019-11-20 10:08:07,732 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 10:08:07,777 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4b541394-29eb-4787-a56d-36acf86faa98/bin/uautomizer/witness.graphml [2019-11-20 10:08:07,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:08:07,779 INFO L168 Benchmark]: Toolchain (without parser) took 43050.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. [2019-11-20 10:08:07,779 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:08:07,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:08:07,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.73 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:08:07,781 INFO L168 Benchmark]: Boogie Preprocessor took 48.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:08:07,781 INFO L168 Benchmark]: RCFGBuilder took 707.59 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:08:07,782 INFO L168 Benchmark]: BuchiAutomizer took 41610.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.9 MB). Peak memory consumption was 235.0 MB. Max. memory is 11.5 GB. [2019-11-20 10:08:07,782 INFO L168 Benchmark]: Witness Printer took 48.92 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-20 10:08:07,785 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 564.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -177.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.73 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 707.59 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: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41610.09 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -20.9 MB). Peak memory consumption was 235.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.92 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: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 270 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 41.0s. 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, 201 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 270 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 258 SDtfs, 499 SDslu, 532 SDs, 0 SdLazy, 53 SolverSat, 17 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: 296]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4350} State at position 1 is {NULL=4360, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3217dcd5=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d9126cc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aa640a5=0, NULL=4350, NULL=4368, NULL=4356, NULL=0, NULL=0, retValue_acc=0, NULL=4355, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=4352, NULL=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25779475=0, NULL=4364, cleanupTimeShifts=4, NULL=4359, tmp=0, NULL=4369, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, NULL=4370, \result=1, NULL=0, NULL=0, NULL=4353, retValue_acc=0, NULL=4366, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6582d0cb=0, NULL=4354, \result=0, tmp=1, NULL=0, NULL=4375, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@178a09b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14722f44=60, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20b0c696=0, NULL=4372, NULL=4374, NULL=0, NULL=4357, retValue_acc=1, retValue_acc=1, tmp___2=60, NULL=4361, tmp___0=0, NULL=4358, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=4351, NULL=4371, tmp=0, NULL=4367, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41f7bc13=0, head=0, NULL=0, NULL=0, NULL=4362, NULL=4363, NULL=0, NULL=0, NULL=4373, NULL=4365} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L89] int pumpRunning = 0; [L90] int systemActive = 1; [L356] int waterLevel = 1; [L357] int methaneLevelCritical = 0; [L445] int cleanupTimeShifts = 4; [L753] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L518] int retValue_acc ; [L519] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L525] tmp = valid_product() [L527] COND TRUE \read(tmp) [L287] int splverifierCounter ; [L288] int tmp ; [L289] int tmp___0 ; [L290] int tmp___1 ; [L291] int tmp___2 ; [L294] splverifierCounter = 0 Loop: [L296] COND TRUE 1 [L298] COND TRUE splverifierCounter < 4 [L304] tmp = __VERIFIER_nondet_int() [L306] COND FALSE !(\read(tmp)) [L314] tmp___0 = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp___0)) [L324] tmp___2 = __VERIFIER_nondet_int() [L326] COND TRUE \read(tmp___2) [L278] systemActive = 1 [L97] COND FALSE !(\read(pumpRunning)) [L104] COND TRUE \read(systemActive) [L126] int tmp ; [L129] COND FALSE !(\read(pumpRunning)) [L551] int tmp ; [L552] int tmp___0 ; [L553] int tmp___1 ; [L395] int retValue_acc ; [L398] retValue_acc = methaneLevelCritical [L399] return (retValue_acc); [L557] tmp = isMethaneLevelCritical() [L559] COND FALSE !(\read(tmp)) [L427] int retValue_acc ; [L430] retValue_acc = waterLevel [L431] return (retValue_acc); [L563] tmp___0 = getWaterLevel() [L565] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...