./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/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 40fed9ba382e53b697a1093810870166e2d037a9 ............................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:34:37,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:34:37,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:34:37,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:34:37,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:34:37,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:34:37,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:34:37,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:34:37,661 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:34:37,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:34:37,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:34:37,663 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:34:37,664 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:34:37,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:34:37,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:34:37,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:34:37,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:34:37,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:34:37,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:34:37,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:34:37,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:34:37,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:34:37,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:34:37,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:34:37,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:34:37,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:34:37,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:34:37,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:34:37,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:34:37,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:34:37,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:34:37,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:34:37,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:34:37,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:34:37,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:34:37,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:34:37,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:34:37,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:34:37,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:34:37,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:34:37,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:34:37,680 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 18:34:37,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:34:37,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:34:37,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:34:37,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:34:37,692 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:34:37,692 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 18:34:37,692 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 18:34:37,692 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 18:34:37,692 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 18:34:37,692 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 18:34:37,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 18:34:37,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 18:34:37,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:34:37,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:34:37,694 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 18:34:37,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:34:37,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 18:34:37,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:34:37,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:34:37,694 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 18:34:37,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:34:37,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:34:37,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:34:37,695 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 18:34:37,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 18:34:37,696 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_616eb9a7-18d4-4313-a228-33d8c751ec0e/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 -> 40fed9ba382e53b697a1093810870166e2d037a9 [2019-12-07 18:34:37,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:34:37,803 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:34:37,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:34:37,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:34:37,807 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:34:37,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-07 18:34:37,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/data/b7d00649a/0c19b9ce1a734235bbfdf038761b13f2/FLAG2acfbc743 [2019-12-07 18:34:38,211 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:34:38,211 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/sv-benchmarks/c/product-lines/minepump_spec2_product22.cil.c [2019-12-07 18:34:38,219 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/data/b7d00649a/0c19b9ce1a734235bbfdf038761b13f2/FLAG2acfbc743 [2019-12-07 18:34:38,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/data/b7d00649a/0c19b9ce1a734235bbfdf038761b13f2 [2019-12-07 18:34:38,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:34:38,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:34:38,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:34:38,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:34:38,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:34:38,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26897fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38, skipping insertion in model container [2019-12-07 18:34:38,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:34:38,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:34:38,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:34:38,484 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:34:38,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:34:38,551 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:34:38,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38 WrapperNode [2019-12-07 18:34:38,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:34:38,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:34:38,552 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:34:38,552 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:34:38,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:34:38,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:34:38,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:34:38,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:34:38,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... [2019-12-07 18:34:38,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:34:38,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:34:38,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:34:38,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:34:38,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 18:34:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:34:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-07 18:34:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:34:38,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:34:39,054 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:34:39,054 INFO L287 CfgBuilder]: Removed 160 assume(true) statements. [2019-12-07 18:34:39,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:34:39 BoogieIcfgContainer [2019-12-07 18:34:39,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:34:39,055 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 18:34:39,055 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 18:34:39,058 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 18:34:39,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:34:39,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 06:34:38" (1/3) ... [2019-12-07 18:34:39,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b9d43a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:34:39, skipping insertion in model container [2019-12-07 18:34:39,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:34:39,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:34:38" (2/3) ... [2019-12-07 18:34:39,060 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b9d43a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 06:34:39, skipping insertion in model container [2019-12-07 18:34:39,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 18:34:39,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:34:39" (3/3) ... [2019-12-07 18:34:39,061 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product22.cil.c [2019-12-07 18:34:39,089 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 18:34:39,090 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 18:34:39,090 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 18:34:39,090 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:34:39,090 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:34:39,090 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 18:34:39,090 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:34:39,090 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 18:34:39,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-12-07 18:34:39,121 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-12-07 18:34:39,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:34:39,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:34:39,126 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:34:39,126 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:34:39,126 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 18:34:39,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 106 states. [2019-12-07 18:34:39,131 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-12-07 18:34:39,131 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:34:39,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:34:39,132 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:34:39,132 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:34:39,135 INFO L794 eck$LassoCheckResult]: Stem: 78#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(110, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 3 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(80, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(117, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(109, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(112, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(32, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 11#L-1true havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 38#L934true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 41#L942true main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 82#L498true assume 0 != main_~tmp~3; 34#L469true ~methAndRunningLastTime~0 := 0; 7#L789true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 9#L800-1true [2019-12-07 18:34:39,136 INFO L796 eck$LassoCheckResult]: Loop: 9#L800-1true assume !false; 89#L718true assume test_~splverifierCounter~0 < 4; 53#L719true test_~tmp~7 := test_#t~nondet56;havoc test_#t~nondet56; 58#L727true assume !(0 != test_~tmp~7); 60#L727-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 99#L737true assume !(0 != test_~tmp___0~1); 100#L737-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 33#L747true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 37#L755-2true assume !(0 != ~pumpRunning~0); 97#L528true assume !(0 != ~systemActive~0); 30#L535true havoc __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 4#L866-1true __utac_acc__Specification2_spec__2_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret60;havoc __utac_acc__Specification2_spec__2_#t~ret60; 6#L800true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 9#L800-1true [2019-12-07 18:34:39,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:34:39,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-12-07 18:34:39,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:34:39,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893807444] [2019-12-07 18:34:39,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:34:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:34:39,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:34:39,344 INFO L82 PathProgramCache]: Analyzing trace with hash 4938827, now seen corresponding path program 1 times [2019-12-07 18:34:39,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:34:39,345 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112882339] [2019-12-07 18:34:39,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:34:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:34:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:34:39,378 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112882339] [2019-12-07 18:34:39,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:34:39,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 18:34:39,379 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79573020] [2019-12-07 18:34:39,382 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 18:34:39,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 18:34:39,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 18:34:39,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 18:34:39,394 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2019-12-07 18:34:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:34:39,424 INFO L93 Difference]: Finished difference Result 106 states and 150 transitions. [2019-12-07 18:34:39,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 18:34:39,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 150 transitions. [2019-12-07 18:34:39,428 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-12-07 18:34:39,432 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 99 states and 142 transitions. [2019-12-07 18:34:39,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2019-12-07 18:34:39,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2019-12-07 18:34:39,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 142 transitions. [2019-12-07 18:34:39,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 18:34:39,434 INFO L688 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-12-07 18:34:39,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 142 transitions. [2019-12-07 18:34:39,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2019-12-07 18:34:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2019-12-07 18:34:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2019-12-07 18:34:39,456 INFO L711 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-12-07 18:34:39,456 INFO L591 BuchiCegarLoop]: Abstraction has 99 states and 142 transitions. [2019-12-07 18:34:39,456 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 18:34:39,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 142 transitions. [2019-12-07 18:34:39,457 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-12-07 18:34:39,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 18:34:39,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 18:34:39,458 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:34:39,458 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:34:39,458 INFO L794 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(110, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(102, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 3 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(80, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(117, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(109, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(112, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(110, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 2 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(102, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(32, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string54.base, #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 1 + #t~string54.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 233#L-1 havoc main_#res;havoc main_#t~ret35, main_~retValue_acc~3, main_~tmp~3;havoc main_~retValue_acc~3;havoc main_~tmp~3; 234#L934 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 273#L942 main_#t~ret35 := valid_product_#res;main_~tmp~3 := main_#t~ret35;havoc main_#t~ret35; 278#L498 assume 0 != main_~tmp~3; 269#L469 ~methAndRunningLastTime~0 := 0; 229#L789 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 228#L800-1 [2019-12-07 18:34:39,459 INFO L796 eck$LassoCheckResult]: Loop: 228#L800-1 assume !false; 230#L718 assume test_~splverifierCounter~0 < 4; 294#L719 test_~tmp~7 := test_#t~nondet56;havoc test_#t~nondet56; 295#L727 assume !(0 != test_~tmp~7); 236#L727-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 299#L737 assume !(0 != test_~tmp___0~1); 317#L737-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 266#L747 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 268#L755-2 assume !(0 != ~pumpRunning~0); 271#L528 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret37, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 318#L586 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret36, processEnvironment__wrappee__lowWaterSensor_~tmp~4;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4; 262#L560-1 assume !(0 != ~pumpRunning~0); 260#L535 havoc __utac_acc__Specification2_spec__2_#t~ret60, __utac_acc__Specification2_spec__2_#t~ret61, __utac_acc__Specification2_spec__2_~tmp~8, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~8;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 223#L866-1 __utac_acc__Specification2_spec__2_#t~ret60 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~8 := __utac_acc__Specification2_spec__2_#t~ret60;havoc __utac_acc__Specification2_spec__2_#t~ret60; 224#L800 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~8);~methAndRunningLastTime~0 := 0; 228#L800-1 [2019-12-07 18:34:39,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:34:39,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-12-07 18:34:39,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:34:39,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059096470] [2019-12-07 18:34:39,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:34:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,523 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:34:39,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:34:39,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1698133379, now seen corresponding path program 1 times [2019-12-07 18:34:39,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:34:39,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838246187] [2019-12-07 18:34:39,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:34:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,533 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:34:39,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:34:39,533 INFO L82 PathProgramCache]: Analyzing trace with hash 235891831, now seen corresponding path program 1 times [2019-12-07 18:34:39,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 18:34:39,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230770109] [2019-12-07 18:34:39,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 18:34:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:34:39,590 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 18:35:05,802 WARN L192 SmtUtils]: Spent 26.14 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-12-07 18:35:18,692 WARN L192 SmtUtils]: Spent 12.88 s on a formula simplification that was a NOOP. DAG size: 402 [2019-12-07 18:35:18,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 06:35:18 BoogieIcfgContainer [2019-12-07 18:35:18,743 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 18:35:18,744 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:35:18,744 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:35:18,744 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:35:18,744 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:34:39" (3/4) ... [2019-12-07 18:35:18,747 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-12-07 18:35:18,789 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_616eb9a7-18d4-4313-a228-33d8c751ec0e/bin/uautomizer/witness.graphml [2019-12-07 18:35:18,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:35:18,790 INFO L168 Benchmark]: Toolchain (without parser) took 40556.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 938.1 MB in the beginning and 1.0 GB in the end (delta: -89.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:18,791 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:35:18,791 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:18,792 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:18,792 INFO L168 Benchmark]: Boogie Preprocessor took 29.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:18,792 INFO L168 Benchmark]: RCFGBuilder took 430.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:18,792 INFO L168 Benchmark]: BuchiAutomizer took 39688.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -16.4 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:18,793 INFO L168 Benchmark]: Witness Printer took 45.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-12-07 18:35:18,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 957.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 937.0 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 430.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39688.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 43.0 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -16.4 MB). Peak memory consumption was 232.6 MB. Max. memory is 11.5 GB. * Witness Printer took 45.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 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 3 locations. The remainder module has 99 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 99 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 147 SDtfs, 147 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 717]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5157} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=5157, NULL=14233, NULL=0, retValue_acc=0, NULL=27842, NULL=0, NULL=27837, NULL=0, methaneLevelCritical=0, retValue_acc=1, NULL=0, NULL=0, tmp=0, tmp=0, NULL=0, tmp___1=0, NULL=17920, NULL=14237, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@735f3248=0, NULL=5162, NULL=14240, cleanupTimeShifts=4, NULL=14234, NULL=14232, NULL=17919, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=14235, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@be3c675=0, retValue_acc=0, NULL=5161, NULL=0, NULL=0, NULL=0, \result=1, NULL=5159, head=0, pumpRunning=0, \result=0, NULL=14241, NULL=14239, tmp=1, NULL=0, NULL=0, NULL=27840, NULL=27838, NULL=14231, NULL=0, tmp___2=52, NULL=27841, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29301aa1=0, tmp___0=0, splverifierCounter=0, methAndRunningLastTime=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60130678=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@372f472c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37af4a68=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@669f5e4e=52, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c7fb807=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c840f66=0, head=0, NULL=0, tmp=0, NULL=5158, NULL=14236, NULL=0, NULL=14242, NULL=0, NULL=0, NULL=14238, NULL=5160, NULL=0, NULL=27839, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L406] int cleanupTimeShifts = 4; [L520] int pumpRunning = 0; [L521] int systemActive = 1; [L783] int methAndRunningLastTime ; [L823] int waterLevel = 1; [L824] int methaneLevelCritical = 0; [L489] int retValue_acc ; [L490] int tmp ; [L938] int retValue_acc ; [L941] retValue_acc = 1 [L942] return (retValue_acc); [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) [L788] methAndRunningLastTime = 0 [L708] int splverifierCounter ; [L709] int tmp ; [L710] int tmp___0 ; [L711] int tmp___1 ; [L712] int tmp___2 ; [L715] splverifierCounter = 0 Loop: [L717] COND TRUE 1 [L719] COND TRUE splverifierCounter < 4 [L725] tmp = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp)) [L735] tmp___0 = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp___0)) [L745] tmp___2 = __VERIFIER_nondet_int() [L747] COND TRUE \read(tmp___2) [L702] systemActive = 1 [L528] COND FALSE !(\read(pumpRunning)) [L535] COND TRUE \read(systemActive) [L583] int tmp ; [L586] COND FALSE !(\read(pumpRunning)) [L557] int tmp ; [L560] COND FALSE !(\read(pumpRunning)) [L793] int tmp ; [L794] int tmp___0 ; [L862] int retValue_acc ; [L865] retValue_acc = methaneLevelCritical [L866] return (retValue_acc); [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...