./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/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 914cee364693da399a9c2543bf5dbcba9bd2afd1 ............................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-6b5699a [2019-11-25 08:46:23,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:46:23,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:46:23,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:46:23,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:46:23,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:46:23,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:46:23,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:46:23,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:46:23,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:46:23,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:46:23,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:46:23,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:46:23,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:46:23,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:46:23,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:46:23,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:46:23,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:46:23,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:46:23,367 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:46:23,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:46:23,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:46:23,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:46:23,376 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:46:23,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:46:23,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:46:23,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:46:23,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:46:23,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:46:23,381 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:46:23,381 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:46:23,382 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:46:23,383 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:46:23,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:46:23,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:46:23,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:46:23,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:46:23,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:46:23,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:46:23,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:46:23,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:46:23,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-25 08:46:23,414 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:46:23,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:46:23,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:46:23,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:46:23,424 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:46:23,425 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:46:23,425 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:46:23,425 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:46:23,425 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:46:23,426 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:46:23,426 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:46:23,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:46:23,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:46:23,427 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:46:23,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:46:23,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:46:23,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:46:23,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:46:23,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:46:23,428 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:46:23,429 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:46:23,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:46:23,429 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:46:23,429 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:46:23,429 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:46:23,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:46:23,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:46:23,430 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:46:23,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:46:23,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:46:23,431 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:46:23,432 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:46:23,432 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_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2019-11-25 08:46:23,600 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:46:23,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:46:23,613 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:46:23,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:46:23,614 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:46:23,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-11-25 08:46:23,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/data/76eb4ce07/c95f4e9da16544739fbbc6d1abc8bb2d/FLAG39ae54e90 [2019-11-25 08:46:24,089 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:46:24,090 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2019-11-25 08:46:24,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/data/76eb4ce07/c95f4e9da16544739fbbc6d1abc8bb2d/FLAG39ae54e90 [2019-11-25 08:46:24,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/data/76eb4ce07/c95f4e9da16544739fbbc6d1abc8bb2d [2019-11-25 08:46:24,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:46:24,112 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:46:24,116 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:24,117 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:46:24,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:46:24,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4291812b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24, skipping insertion in model container [2019-11-25 08:46:24,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:46:24,174 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:46:24,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:24,560 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:46:24,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:46:24,657 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:46:24,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24 WrapperNode [2019-11-25 08:46:24,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:46:24,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:24,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:46:24,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:46:24,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:46:24,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:46:24,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:46:24,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:46:24,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... [2019-11-25 08:46:24,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:46:24,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:46:24,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:46:24,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:46:24,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/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 [2019-11-25 08:46:24,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-25 08:46:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-25 08:46:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:46:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:46:25,519 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:46:25,519 INFO L284 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-25 08:46:25,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:25 BoogieIcfgContainer [2019-11-25 08:46:25,521 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:46:25,522 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:46:25,522 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:46:25,525 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:46:25,526 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:25,526 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:46:24" (1/3) ... [2019-11-25 08:46:25,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d5297b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:46:25, skipping insertion in model container [2019-11-25 08:46:25,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:25,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:46:24" (2/3) ... [2019-11-25 08:46:25,529 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d5297b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:46:25, skipping insertion in model container [2019-11-25 08:46:25,529 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:46:25,529 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:25" (3/3) ... [2019-11-25 08:46:25,530 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2019-11-25 08:46:25,581 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:46:25,582 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:46:25,582 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:46:25,582 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:46:25,582 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:46:25,582 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:46:25,583 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:46:25,583 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:46:25,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-25 08:46:25,628 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-25 08:46:25,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:25,629 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:25,636 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:46:25,637 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:25,637 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:46:25,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-25 08:46:25,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-25 08:46:25,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:25,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:25,648 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:46:25,648 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:25,660 INFO L794 eck$LassoCheckResult]: Stem: 32#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 11#L-1true havoc main_#res;havoc main_#t~ret34, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 28#L863true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 38#L871true main_#t~ret34 := valid_product_#res;main_~tmp~3 := main_#t~ret34;havoc main_#t~ret34; 25#L461true assume 0 != main_~tmp~3; 12#L435true havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 31#L278-1true [2019-11-25 08:46:25,660 INFO L796 eck$LassoCheckResult]: Loop: 31#L278-1true assume !false; 49#L213true assume test_~splverifierCounter~0 < 4; 57#L214true test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 55#L222true assume !(0 != test_~tmp~1); 54#L222-1true test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 47#L232true assume !(0 != test_~tmp___0~0); 46#L232-1true test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 27#L242true assume 0 != test_~tmp___2~0; 15#L248-1true assume !(0 != ~pumpRunning~0); 40#L66true assume !(0 != ~systemActive~0); 9#L73true havoc __utac_acc__Specification4_spec__1_#t~ret22, __utac_acc__Specification4_spec__1_#t~ret23, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 50#L371true __utac_acc__Specification4_spec__1_#t~ret22 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret22;havoc __utac_acc__Specification4_spec__1_#t~ret22; 35#L278true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 31#L278-1true [2019-11-25 08:46:25,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:25,667 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-25 08:46:25,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:25,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645267163] [2019-11-25 08:46:25,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,036 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:26,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:26,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-11-25 08:46:26,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:26,038 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566889749] [2019-11-25 08:46:26,039 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,052 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:26,053 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-11-25 08:46:26,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:26,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103020315] [2019-11-25 08:46:26,054 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:46:26,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:46:26,201 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103020315] [2019-11-25 08:46:26,202 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:46:26,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:46:26,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660301728] [2019-11-25 08:46:26,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:46:26,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-25 08:46:26,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:46:26,352 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-11-25 08:46:26,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:46:26,570 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-11-25 08:46:26,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-25 08:46:26,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-11-25 08:46:26,582 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-11-25 08:46:26,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-11-25 08:46:26,600 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-11-25 08:46:26,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-11-25 08:46:26,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-11-25 08:46:26,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:46:26,606 INFO L688 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-11-25 08:46:26,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-11-25 08:46:26,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-11-25 08:46:26,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-25 08:46:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-11-25 08:46:26,658 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-25 08:46:26,658 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-25 08:46:26,658 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:46:26,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-11-25 08:46:26,663 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-11-25 08:46:26,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:46:26,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:46:26,664 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-25 08:46:26,665 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:46:26,665 INFO L794 eck$LassoCheckResult]: Stem: 267#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string5.base, #t~string5.offset, 1);call write~init~int(110, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 2 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(102, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string9.base, #t~string9.offset, 1);call write~init~int(80, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(117, #t~string9.base, 2 + #t~string9.offset, 1);call write~init~int(109, #t~string9.base, 3 + #t~string9.offset, 1);call write~init~int(112, #t~string9.base, 4 + #t~string9.offset, 1);call write~init~int(58, #t~string9.base, 5 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 6 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string15.base, #t~string15.offset, 1);call write~init~int(32, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(13);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(77, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(101, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(116, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(104, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string29.base, #t~string29.offset, 1);call write~init~int(82, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(73, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(84, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(75, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 244#L-1 havoc main_#res;havoc main_#t~ret34, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 245#L863 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 265#L871 main_#t~ret34 := valid_product_#res;main_~tmp~3 := main_#t~ret34;havoc main_#t~ret34; 263#L461 assume 0 != main_~tmp~3; 246#L435 havoc test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 247#L278-1 [2019-11-25 08:46:26,665 INFO L796 eck$LassoCheckResult]: Loop: 247#L278-1 assume !false; 266#L213 assume test_~splverifierCounter~0 < 4; 278#L214 test_~tmp~1 := test_#t~nondet18;havoc test_#t~nondet18; 279#L222 assume !(0 != test_~tmp~1); 258#L222-1 test_~tmp___0~0 := test_#t~nondet19;havoc test_#t~nondet19; 277#L232 assume !(0 != test_~tmp___0~0); 274#L232-1 test_~tmp___2~0 := test_#t~nondet20;havoc test_#t~nondet20; 264#L242 assume 0 != test_~tmp___2~0; 250#L248-1 assume !(0 != ~pumpRunning~0); 252#L66 assume 0 != ~systemActive~0; 240#L73 havoc __utac_acc__Specification4_spec__1_#t~ret22, __utac_acc__Specification4_spec__1_#t~ret23, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 241#L371 __utac_acc__Specification4_spec__1_#t~ret22 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret22;havoc __utac_acc__Specification4_spec__1_#t~ret22; 269#L278 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 247#L278-1 [2019-11-25 08:46:26,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:26,666 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-25 08:46:26,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:26,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335795649] [2019-11-25 08:46:26,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,758 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:26,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:26,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-11-25 08:46:26,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:26,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741716416] [2019-11-25 08:46:26,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,768 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:26,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:46:26,769 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-11-25 08:46:26,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:46:26,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179653750] [2019-11-25 08:46:26,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:46:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:46:26,852 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:46:56,797 WARN L192 SmtUtils]: Spent 29.86 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-25 08:47:10,304 WARN L192 SmtUtils]: Spent 13.50 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-25 08:47:10,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:47:10 BoogieIcfgContainer [2019-11-25 08:47:10,379 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:47:10,380 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:47:10,380 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:47:10,381 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:47:10,381 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:46:25" (3/4) ... [2019-11-25 08:47:10,384 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-25 08:47:10,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1a2653b1-e061-48f0-a6c7-83b0a4bf666e/bin/uautomizer/witness.graphml [2019-11-25 08:47:10,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:47:10,449 INFO L168 Benchmark]: Toolchain (without parser) took 46336.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.1 MB). Free memory was 951.4 MB in the beginning and 875.5 MB in the end (delta: 75.9 MB). Peak memory consumption was 370.0 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:10,449 INFO L168 Benchmark]: CDTParser took 0.22 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. [2019-11-25 08:47:10,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:10,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:10,450 INFO L168 Benchmark]: Boogie Preprocessor took 47.53 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. [2019-11-25 08:47:10,451 INFO L168 Benchmark]: RCFGBuilder took 759.72 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:10,451 INFO L168 Benchmark]: BuchiAutomizer took 44858.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 152.6 MB). Free memory was 1.1 GB in the beginning and 878.7 MB in the end (delta: 187.5 MB). Peak memory consumption was 348.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:10,452 INFO L168 Benchmark]: Witness Printer took 67.52 ms. Allocated memory is still 1.3 GB. Free memory was 878.7 MB in the beginning and 875.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:47:10,454 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 542.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -179.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.53 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 759.72 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44858.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 152.6 MB). Free memory was 1.1 GB in the beginning and 878.7 MB in the end (delta: 187.5 MB). Peak memory consumption was 348.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.52 ms. Allocated memory is still 1.3 GB. Free memory was 878.7 MB in the beginning and 875.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 44.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 212]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=587} State at position 1 is {NULL=9709, NULL=0, NULL=0, NULL=0, NULL=593, NULL=0, NULL=587, retValue_acc=0, NULL=594, NULL=589, NULL=9711, NULL=588, NULL=603, methaneLevelCritical=0, NULL=0, NULL=590, NULL=0, NULL=0, tmp___1=0, NULL=599, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dcbf158=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=2996, NULL=592, NULL=602, NULL=9707, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=591, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, \result=1, head=0, pumpRunning=0, NULL=601, \result=0, tmp=1, NULL=595, NULL=0, NULL=0, NULL=0, NULL=596, retValue_acc=1, tmp=1, NULL=9708, tmp___2=53, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4a334b04=0, NULL=597, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@456d9089=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17ca5a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e086138=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28f4b657=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36f7fd27=53, NULL=2994, NULL=2993, NULL=0, NULL=0, NULL=0, NULL=2995, NULL=9710, NULL=600, NULL=598} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L376] int cleanupTimeShifts = 4; [L644] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L452] int retValue_acc ; [L453] int tmp ; [L867] int retValue_acc ; [L870] retValue_acc = 1 [L871] return (retValue_acc); [L459] tmp = valid_product() [L461] COND TRUE \read(tmp) [L203] int splverifierCounter ; [L204] int tmp ; [L205] int tmp___0 ; [L206] int tmp___1 ; [L207] int tmp___2 ; [L210] splverifierCounter = 0 Loop: [L212] COND TRUE 1 [L214] COND TRUE splverifierCounter < 4 [L220] tmp = __VERIFIER_nondet_int() [L222] COND FALSE !(\read(tmp)) [L230] tmp___0 = __VERIFIER_nondet_int() [L232] COND FALSE !(\read(tmp___0)) [L240] tmp___2 = __VERIFIER_nondet_int() [L242] COND TRUE \read(tmp___2) [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L271] int tmp ; [L272] int tmp___0 ; [L367] int retValue_acc ; [L370] retValue_acc = waterLevel [L371] return (retValue_acc); [L276] tmp = getWaterLevel() [L278] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...