./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/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 0b82b0f998a9d26b358f90a637412c0e37109780 ........................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 20:23:45,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:23:45,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:23:45,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:23:45,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:23:45,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:23:45,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:23:45,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:23:45,545 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:23:45,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:23:45,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:23:45,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:23:45,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:23:45,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:23:45,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:23:45,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:23:45,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:23:45,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:23:45,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:23:45,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:23:45,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:23:45,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:23:45,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:23:45,591 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:23:45,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:23:45,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:23:45,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:23:45,605 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:23:45,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:23:45,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:23:45,607 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:23:45,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:23:45,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:23:45,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:23:45,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:23:45,613 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:23:45,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:23:45,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:23:45,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:23:45,616 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:23:45,617 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:23:45,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:23:45,663 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:23:45,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:23:45,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:23:45,666 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:23:45,666 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:23:45,666 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:23:45,666 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:23:45,666 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:23:45,667 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:23:45,667 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:23:45,668 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:23:45,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:23:45,669 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:23:45,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:23:45,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:23:45,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:23:45,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:23:45,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:23:45,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:23:45,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:23:45,670 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:23:45,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:23:45,671 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:23:45,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:23:45,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:23:45,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:23:45,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:23:45,672 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:23:45,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:23:45,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:23:45,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:23:45,674 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:23:45,675 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:23:45,676 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b82b0f998a9d26b358f90a637412c0e37109780 [2020-11-29 20:23:45,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:23:46,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:23:46,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:23:46,008 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:23:46,009 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:23:46,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-11-29 20:23:46,093 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/data/5ea2e5f58/d5a6dece8bfa4692b73a1ecce1272963/FLAG589c6d097 [2020-11-29 20:23:46,781 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:23:46,782 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2020-11-29 20:23:46,808 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/data/5ea2e5f58/d5a6dece8bfa4692b73a1ecce1272963/FLAG589c6d097 [2020-11-29 20:23:47,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/data/5ea2e5f58/d5a6dece8bfa4692b73a1ecce1272963 [2020-11-29 20:23:47,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:23:47,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:23:47,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:23:47,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:23:47,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:23:47,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f74833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47, skipping insertion in model container [2020-11-29 20:23:47,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:23:47,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:23:47,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:23:47,490 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:23:47,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:23:47,612 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:23:47,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47 WrapperNode [2020-11-29 20:23:47,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:23:47,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:23:47,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:23:47,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:23:47,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:23:47,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:23:47,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:23:47,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:23:47,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... [2020-11-29 20:23:47,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:23:47,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:23:47,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:23:47,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:23:47,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/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 [2020-11-29 20:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:23:47,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:23:48,707 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:23:48,710 INFO L298 CfgBuilder]: Removed 106 assume(true) statements. [2020-11-29 20:23:48,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:23:48 BoogieIcfgContainer [2020-11-29 20:23:48,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:23:48,715 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:23:48,715 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:23:48,718 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:23:48,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:23:48,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:23:47" (1/3) ... [2020-11-29 20:23:48,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@543a33f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:23:48, skipping insertion in model container [2020-11-29 20:23:48,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:23:48,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:23:47" (2/3) ... [2020-11-29 20:23:48,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@543a33f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:23:48, skipping insertion in model container [2020-11-29 20:23:48,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:23:48,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:23:48" (3/3) ... [2020-11-29 20:23:48,727 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product06.cil.c [2020-11-29 20:23:48,792 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:23:48,792 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:23:48,793 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:23:48,793 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:23:48,793 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:23:48,793 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:23:48,793 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:23:48,793 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:23:48,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states. [2020-11-29 20:23:48,839 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-11-29 20:23:48,839 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:23:48,839 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:23:48,848 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:23:48,848 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:23:48,848 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 20:23:48,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states. [2020-11-29 20:23:48,854 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2020-11-29 20:23:48,854 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:23:48,854 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:23:48,855 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:23:48,856 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:23:48,860 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 8#L-1true havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 49#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 66#L75true main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 72#L880true assume 0 != main_~tmp~6; 18#L856true ~methAndRunningLastTime~0 := 0; 53#L389true havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L400-1true [2020-11-29 20:23:48,861 INFO L796 eck$LassoCheckResult]: Loop: 54#L400-1true assume !false; 47#L96true assume test_~splverifierCounter~0 < 4; 68#L97true test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 63#L105true assume !(0 != test_~tmp~0); 61#L105-1true test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 42#L115true assume !(0 != test_~tmp___0~0); 39#L115-1true test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 20#L125true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 50#L133-2true assume !(0 != ~pumpRunning~0); 59#L167true assume !(0 != ~systemActive~0); 73#L174true havoc __utac_acc__Specification2_spec__2_#t~ret40, __utac_acc__Specification2_spec__2_#t~ret41, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 31#L345-1true __utac_acc__Specification2_spec__2_#t~ret40 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret40;havoc __utac_acc__Specification2_spec__2_#t~ret40; 51#L400true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 54#L400-1true [2020-11-29 20:23:48,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:23:48,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-29 20:23:48,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:23:48,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287351737] [2020-11-29 20:23:48,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:23:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:49,197 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:49,352 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:49,415 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:23:49,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:23:49,420 INFO L82 PathProgramCache]: Analyzing trace with hash 3338061, now seen corresponding path program 1 times [2020-11-29 20:23:49,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:23:49,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297610995] [2020-11-29 20:23:49,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:23:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:23:49,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:23:49,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297610995] [2020-11-29 20:23:49,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 20:23:49,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 20:23:49,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380504847] [2020-11-29 20:23:49,531 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-29 20:23:49,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 20:23:49,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 20:23:49,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 20:23:49,555 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 3 states. [2020-11-29 20:23:49,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 20:23:49,629 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2020-11-29 20:23:49,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 20:23:49,635 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 96 transitions. [2020-11-29 20:23:49,640 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 20:23:49,651 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2020-11-29 20:23:49,656 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2020-11-29 20:23:49,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2020-11-29 20:23:49,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2020-11-29 20:23:49,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 20:23:49,659 INFO L691 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-11-29 20:23:49,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2020-11-29 20:23:49,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-11-29 20:23:49,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-11-29 20:23:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2020-11-29 20:23:49,709 INFO L714 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-11-29 20:23:49,709 INFO L594 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-11-29 20:23:49,709 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 20:23:49,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2020-11-29 20:23:49,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-11-29 20:23:49,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 20:23:49,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 20:23:49,714 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:23:49,715 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 20:23:49,715 INFO L794 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(13);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string21.base, #t~string21.offset, 1);call write~init~int(80, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(117, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(109, #t~string21.base, 3 + #t~string21.offset, 1);call write~init~int(112, #t~string21.base, 4 + #t~string21.offset, 1);call write~init~int(58, #t~string21.base, 5 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 6 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string27.base, #t~string27.offset, 1);call write~init~int(32, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string29.base, #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 1 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string33.base, #t~string33.offset, 1);call write~init~int(77, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(101, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(116, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(104, #t~string33.base, 4 + #t~string33.offset, 1);call write~init~int(58, #t~string33.base, 5 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 6 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string35.base, #t~string35.offset, 1);call write~init~int(82, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(73, #t~string35.base, 2 + #t~string35.offset, 1);call write~init~int(84, #t~string35.base, 3 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 4 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string37.base, #t~string37.offset, 1);call write~init~int(75, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 2 + #t~string37.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string39.base, #t~string39.offset, 1);call write~init~int(0, #t~string39.base, 1 + #t~string39.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 162#L-1 havoc main_#res;havoc main_#t~ret77, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 163#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 210#L75 main_#t~ret77 := valid_product_#res;main_~tmp~6 := main_#t~ret77;havoc main_#t~ret77; 214#L880 assume 0 != main_~tmp~6; 170#L856 ~methAndRunningLastTime~0 := 0; 171#L389 havoc test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 161#L400-1 [2020-11-29 20:23:49,715 INFO L796 eck$LassoCheckResult]: Loop: 161#L400-1 assume !false; 206#L96 assume test_~splverifierCounter~0 < 4; 207#L97 test_~tmp~0 := test_#t~nondet8;havoc test_#t~nondet8; 213#L105 assume !(0 != test_~tmp~0); 211#L105-1 test_~tmp___0~0 := test_#t~nondet9;havoc test_#t~nondet9; 205#L115 assume !(0 != test_~tmp___0~0); 159#L115-1 test_~tmp___2~0 := test_#t~nondet10;havoc test_#t~nondet10; 174#L125 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 176#L133-2 assume !(0 != ~pumpRunning~0); 180#L167 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret12, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 200#L199 assume !(0 != ~pumpRunning~0); 201#L174 havoc __utac_acc__Specification2_spec__2_#t~ret40, __utac_acc__Specification2_spec__2_#t~ret41, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 191#L345-1 __utac_acc__Specification2_spec__2_#t~ret40 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret40;havoc __utac_acc__Specification2_spec__2_#t~ret40; 192#L400 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 161#L400-1 [2020-11-29 20:23:49,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:23:49,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-11-29 20:23:49,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:23:49,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292667881] [2020-11-29 20:23:49,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:23:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:49,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:49,904 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:49,936 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:23:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:23:49,939 INFO L82 PathProgramCache]: Analyzing trace with hash 82951363, now seen corresponding path program 1 times [2020-11-29 20:23:49,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:23:49,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733899780] [2020-11-29 20:23:49,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:23:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:49,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:49,957 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:49,962 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:23:49,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:23:49,966 INFO L82 PathProgramCache]: Analyzing trace with hash 145339273, now seen corresponding path program 1 times [2020-11-29 20:23:49,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 20:23:49,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058475498] [2020-11-29 20:23:49,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 20:23:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:50,051 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 20:23:50,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 20:23:50,113 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 20:25:13,471 WARN L193 SmtUtils]: Spent 1.39 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-29 20:26:09,539 WARN L193 SmtUtils]: Spent 56.04 s on a formula simplification that was a NOOP. DAG size: 435 [2020-11-29 20:26:09,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:26:09 BoogieIcfgContainer [2020-11-29 20:26:09,821 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:26:09,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:26:09,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:26:09,822 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:26:09,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:23:48" (3/4) ... [2020-11-29 20:26:09,825 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 20:26:09,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b4cc225a-9afc-45a7-ba43-149e9f47d11e/bin/uautomizer/witness.graphml [2020-11-29 20:26:09,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:26:09,926 INFO L168 Benchmark]: Toolchain (without parser) took 142864.55 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 65.2 MB in the beginning and 29.7 MB in the end (delta: 35.5 MB). Peak memory consumption was 60.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:09,927 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory was 72.5 MB in the beginning and 72.4 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:26:09,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 535.33 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 67.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:09,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.55 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 64.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:09,928 INFO L168 Benchmark]: Boogie Preprocessor took 58.84 ms. Allocated memory is still 100.7 MB. Free memory was 64.3 MB in the beginning and 62.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:09,929 INFO L168 Benchmark]: RCFGBuilder took 967.92 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 62.1 MB in the beginning and 78.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:09,930 INFO L168 Benchmark]: BuchiAutomizer took 141106.73 ms. Allocated memory is still 123.7 MB. Free memory was 78.6 MB in the beginning and 31.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:09,931 INFO L168 Benchmark]: Witness Printer took 102.59 ms. Allocated memory is still 123.7 MB. Free memory was 31.8 MB in the beginning and 29.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:26:09,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 100.7 MB. Free memory was 72.5 MB in the beginning and 72.4 MB in the end (delta: 32.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 535.33 ms. Allocated memory is still 100.7 MB. Free memory was 64.9 MB in the beginning and 67.1 MB in the end (delta: -2.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.55 ms. Allocated memory is still 100.7 MB. Free memory was 67.1 MB in the beginning and 64.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.84 ms. Allocated memory is still 100.7 MB. Free memory was 64.3 MB in the beginning and 62.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 967.92 ms. Allocated memory was 100.7 MB in the beginning and 123.7 MB in the end (delta: 23.1 MB). Free memory was 62.1 MB in the beginning and 78.6 MB in the end (delta: -16.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 141106.73 ms. Allocated memory is still 123.7 MB. Free memory was 78.6 MB in the beginning and 31.8 MB in the end (delta: 46.8 MB). Peak memory consumption was 59.3 MB. Max. memory is 16.1 GB. * Witness Printer took 102.59 ms. Allocated memory is still 123.7 MB. Free memory was 31.8 MB in the beginning and 29.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 140.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 140.7s. 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 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 93 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: 95]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7423} State at position 1 is {NULL=7432, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55673bc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6664044b=0, NULL=7423, NULL=7453, NULL=0, NULL=0, NULL=7454, retValue_acc=0, NULL=7438, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49b24266=88, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7581ba7=0, NULL=7433, methaneLevelCritical=0, NULL=7437, NULL=0, NULL=0, NULL=7443, tmp___1=0, NULL=7441, NULL=7424, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1279769e=0, NULL=7446, cleanupTimeShifts=4, tmp=0, NULL=7447, NULL=7429, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@290a1130=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47c1ba96=0, NULL=7427, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=7440, retValue_acc=0, tmp___0=0, NULL=7449, NULL=7425, \result=1, head=0, pumpRunning=0, \result=0, NULL=7430, NULL=7452, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=7428, NULL=0, NULL=7450, NULL=0, NULL=0, NULL=0, NULL=0, NULL=7431, retValue_acc=1, tmp___2=88, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=7442, NULL=7448, NULL=7439, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bb526d7=0, head=0, NULL=7444, NULL=7426, NULL=0, NULL=0, NULL=0, NULL=7451, tmp=0, NULL=7445} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L159] int pumpRunning = 0; [L160] int systemActive = 1; [L302] int waterLevel = 1; [L303] int methaneLevelCritical = 0; [L383] int methAndRunningLastTime ; [L591] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L797] int cleanupTimeShifts = 4; [L871] int retValue_acc ; [L872] int tmp ; [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L878] tmp = valid_product() [L880] COND TRUE \read(tmp) [L388] methAndRunningLastTime = 0 [L86] int splverifierCounter ; [L87] int tmp ; [L88] int tmp___0 ; [L89] int tmp___1 ; [L90] int tmp___2 ; [L93] splverifierCounter = 0 Loop: [L95] COND TRUE 1 [L97] COND TRUE splverifierCounter < 4 [L103] tmp = __VERIFIER_nondet_int() [L105] COND FALSE !(\read(tmp)) [L113] tmp___0 = __VERIFIER_nondet_int() [L115] COND FALSE !(\read(tmp___0)) [L123] tmp___2 = __VERIFIER_nondet_int() [L125] COND TRUE \read(tmp___2) [L296] systemActive = 1 [L167] COND FALSE !(\read(pumpRunning)) [L174] COND TRUE \read(systemActive) [L196] int tmp ; [L199] COND FALSE !(\read(pumpRunning)) [L393] int tmp ; [L394] int tmp___0 ; [L341] int retValue_acc ; [L344] retValue_acc = methaneLevelCritical [L345] return (retValue_acc); [L398] tmp = isMethaneLevelCritical() [L400] COND FALSE !(\read(tmp)) [L416] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...