./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc --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 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:11:02,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:11:02,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:11:02,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:11:02,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:11:02,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:11:02,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:11:02,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:11:02,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:11:02,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:11:02,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:11:02,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:11:02,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:11:02,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:11:02,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:11:02,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:11:02,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:11:02,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:11:02,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:11:02,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:11:02,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:11:02,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:11:02,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:11:02,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:11:02,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:11:02,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:11:02,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:11:02,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:11:02,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:11:02,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:11:02,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:11:02,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:11:02,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:11:02,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:11:02,389 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:11:02,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:11:02,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:11:02,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:11:02,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:11:02,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:11:02,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:11:02,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:11:02,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:11:02,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:11:02,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:11:02,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:11:02,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:11:02,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:11:02,427 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:11:02,428 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:11:02,428 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:11:02,429 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:11:02,429 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:11:02,429 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:11:02,430 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:11:02,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:11:02,430 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:11:02,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:11:02,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:11:02,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:11:02,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:11:02,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:11:02,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:11:02,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:11:02,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:11:02,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:11:02,434 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:11:02,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:11:02,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:11:02,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:11:02,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:11:02,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:11:02,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:11:02,438 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:11:02,438 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_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e3cb2f788bd8b6aed266239a667d8aec45bc37eed8a60a4f1b6f4064a5672f5 [2022-11-02 20:11:02,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:11:02,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:11:02,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:11:02,770 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:11:02,771 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:11:02,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2022-11-02 20:11:02,903 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/data/ea7aa7f2a/dc9794bc81d242359fbe83aa6f69447c/FLAGbf5eda4e3 [2022-11-02 20:11:03,502 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:11:03,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2022-11-02 20:11:03,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/data/ea7aa7f2a/dc9794bc81d242359fbe83aa6f69447c/FLAGbf5eda4e3 [2022-11-02 20:11:03,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/data/ea7aa7f2a/dc9794bc81d242359fbe83aa6f69447c [2022-11-02 20:11:03,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:11:03,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:11:03,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:11:03,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:11:03,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:11:03,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:11:03" (1/1) ... [2022-11-02 20:11:03,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390ef1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:03, skipping insertion in model container [2022-11-02 20:11:03,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:11:03" (1/1) ... [2022-11-02 20:11:03,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:11:03,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:11:04,218 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2022-11-02 20:11:04,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:11:04,324 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:11:04,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c[5053,5066] [2022-11-02 20:11:04,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:11:04,505 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:11:04,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04 WrapperNode [2022-11-02 20:11:04,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:11:04,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:11:04,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:11:04,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:11:04,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,609 INFO L138 Inliner]: procedures = 49, calls = 145, calls flagged for inlining = 42, calls inlined = 35, statements flattened = 311 [2022-11-02 20:11:04,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:11:04,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:11:04,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:11:04,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:11:04,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,648 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:11:04,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:11:04,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:11:04,655 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:11:04,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (1/1) ... [2022-11-02 20:11:04,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:11:04,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:11:04,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:11:04,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:11:04,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:11:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:11:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:11:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:11:04,871 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:11:04,872 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:11:05,243 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:11:05,253 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:11:05,253 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:11:05,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:11:05 BoogieIcfgContainer [2022-11-02 20:11:05,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:11:05,258 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:11:05,258 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:11:05,263 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:11:05,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:11:05,265 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:11:03" (1/3) ... [2022-11-02 20:11:05,266 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef08979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:11:05, skipping insertion in model container [2022-11-02 20:11:05,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:11:05,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:11:04" (2/3) ... [2022-11-02 20:11:05,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ef08979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:11:05, skipping insertion in model container [2022-11-02 20:11:05,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:11:05,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:11:05" (3/3) ... [2022-11-02 20:11:05,269 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2022-11-02 20:11:05,357 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:11:05,357 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:11:05,357 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:11:05,358 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:11:05,358 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:11:05,358 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:11:05,358 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:11:05,359 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:11:05,365 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:05,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-02 20:11:05,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:11:05,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:11:05,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:05,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:05,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:11:05,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:05,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 50 [2022-11-02 20:11:05,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:11:05,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:11:05,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:05,415 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:05,422 INFO L748 eck$LassoCheckResult]: Stem: 66#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 4#L259true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 64#L252true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 32#L267true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 81#L399true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 11#L376true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 27#L179-2true [2022-11-02 20:11:05,423 INFO L750 eck$LassoCheckResult]: Loop: 27#L179-2true assume !false; 2#L180true assume test_~splverifierCounter~0#1 < 4; 34#L181true test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 24#L189true assume !(0 != test_~tmp~0#1); 60#L189-2true test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 63#L199true assume !(0 != test_~tmp___0~0#1); 51#L199-2true test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 54#L209true assume 0 != test_~tmp___2~0#1; 67#L215-2true assume { :begin_inline_timeShift } true; 44#L66true assume !(0 != ~pumpRunning~0); 55#L66-2true assume !(0 != ~systemActive~0); 57#L73-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 50#L456true __utac_acc__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1; 36#L283true assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1; 6#L289-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 29#L83true assume { :end_inline_timeShift } true; 27#L179-2true [2022-11-02 20:11:05,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:05,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-02 20:11:05,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:05,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384793038] [2022-11-02 20:11:05,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:05,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:05,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:05,676 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:11:05,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:05,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1686819626, now seen corresponding path program 1 times [2022-11-02 20:11:05,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:05,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782451937] [2022-11-02 20:11:05,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:05,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:05,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:05,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:05,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:11:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:05,710 INFO L85 PathProgramCache]: Analyzing trace with hash -331400550, now seen corresponding path program 1 times [2022-11-02 20:11:05,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:05,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116542279] [2022-11-02 20:11:05,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:05,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:06,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:11:06,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116542279] [2022-11-02 20:11:06,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116542279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:06,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:06,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:11:06,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640172057] [2022-11-02 20:11:06,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:06,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:11:06,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:11:06,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:11:06,524 INFO L87 Difference]: Start difference. First operand has 81 states, 80 states have (on average 1.3875) internal successors, (111), 80 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:06,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:06,635 INFO L93 Difference]: Finished difference Result 78 states and 97 transitions. [2022-11-02 20:11:06,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 97 transitions. [2022-11-02 20:11:06,642 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-11-02 20:11:06,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 68 states and 87 transitions. [2022-11-02 20:11:06,649 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2022-11-02 20:11:06,649 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2022-11-02 20:11:06,650 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 87 transitions. [2022-11-02 20:11:06,651 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:11:06,651 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-11-02 20:11:06,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 87 transitions. [2022-11-02 20:11:06,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-02 20:11:06,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 67 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-11-02 20:11:06,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-11-02 20:11:06,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:11:06,696 INFO L428 stractBuchiCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-11-02 20:11:06,697 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:11:06,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 87 transitions. [2022-11-02 20:11:06,699 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 46 [2022-11-02 20:11:06,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:11:06,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:11:06,701 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:06,701 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:06,701 INFO L748 eck$LassoCheckResult]: Stem: 243#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 231#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 185#L259 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 186#L252 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 215#L267 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 216#L399 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 197#L376 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 198#L179-2 [2022-11-02 20:11:06,702 INFO L750 eck$LassoCheckResult]: Loop: 198#L179-2 assume !false; 177#L180 assume test_~splverifierCounter~0#1 < 4; 178#L181 test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 209#L189 assume !(0 != test_~tmp~0#1); 188#L189-2 test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 241#L199 assume !(0 != test_~tmp___0~0#1); 206#L199-2 test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 232#L209 assume 0 != test_~tmp___2~0#1; 236#L215-2 assume { :begin_inline_timeShift } true; 226#L66 assume !(0 != ~pumpRunning~0); 203#L66-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 237#L90 assume { :end_inline_processEnvironment } true; 239#L73-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 230#L456 __utac_acc__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1; 220#L283 assume 0 != __utac_acc__Specification3_spec__1_~tmp~1#1; 180#L289-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 181#L83 assume { :end_inline_timeShift } true; 198#L179-2 [2022-11-02 20:11:06,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:06,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-02 20:11:06,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:06,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769249695] [2022-11-02 20:11:06,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:06,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:06,721 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:06,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:11:06,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:06,738 INFO L85 PathProgramCache]: Analyzing trace with hash -123324301, now seen corresponding path program 1 times [2022-11-02 20:11:06,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:06,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632749671] [2022-11-02 20:11:06,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:06,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:06,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:06,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:11:06,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:06,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1055005905, now seen corresponding path program 1 times [2022-11-02 20:11:06,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:06,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787794938] [2022-11-02 20:11:06,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:06,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:11:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:11:06,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:11:06,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787794938] [2022-11-02 20:11:06,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787794938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:11:06,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:11:06,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:11:06,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822373913] [2022-11-02 20:11:06,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:11:07,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:11:07,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:11:07,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:11:07,041 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:07,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:11:07,159 INFO L93 Difference]: Finished difference Result 220 states and 285 transitions. [2022-11-02 20:11:07,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 285 transitions. [2022-11-02 20:11:07,164 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2022-11-02 20:11:07,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 220 states and 285 transitions. [2022-11-02 20:11:07,167 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2022-11-02 20:11:07,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2022-11-02 20:11:07,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 220 states and 285 transitions. [2022-11-02 20:11:07,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:11:07,170 INFO L218 hiAutomatonCegarLoop]: Abstraction has 220 states and 285 transitions. [2022-11-02 20:11:07,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states and 285 transitions. [2022-11-02 20:11:07,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 129. [2022-11-02 20:11:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 129 states have (on average 1.2635658914728682) internal successors, (163), 128 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:11:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 163 transitions. [2022-11-02 20:11:07,184 INFO L240 hiAutomatonCegarLoop]: Abstraction has 129 states and 163 transitions. [2022-11-02 20:11:07,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:11:07,186 INFO L428 stractBuchiCegarLoop]: Abstraction has 129 states and 163 transitions. [2022-11-02 20:11:07,188 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 20:11:07,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 163 transitions. [2022-11-02 20:11:07,190 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 92 [2022-11-02 20:11:07,197 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:11:07,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:11:07,198 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:07,198 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:11:07,198 INFO L748 eck$LassoCheckResult]: Stem: 564#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 546#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 486#L259 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 487#L252 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~3#1;havoc valid_product_~retValue_acc~3#1;valid_product_~retValue_acc~3#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~3#1; 527#L267 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 528#L399 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 498#L376 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_#t~nondet16#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 499#L179-2 [2022-11-02 20:11:07,199 INFO L750 eck$LassoCheckResult]: Loop: 499#L179-2 assume !false; 599#L180 assume test_~splverifierCounter~0#1 < 4; 531#L181 test_~tmp~0#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 519#L189 assume !(0 != test_~tmp~0#1); 489#L189-2 test_~tmp___0~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 559#L199 assume !(0 != test_~tmp___0~0#1); 516#L199-2 test_~tmp___2~0#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 549#L209 assume 0 != test_~tmp___2~0#1; 553#L215-2 assume { :begin_inline_timeShift } true; 541#L66 assume !(0 != ~pumpRunning~0); 512#L66-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 600#L90 assume { :end_inline_processEnvironment } true; 593#L73-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret18#1, __utac_acc__Specification3_spec__1_#t~ret19#1, __utac_acc__Specification3_spec__1_#t~ret20#1, __utac_acc__Specification3_spec__1_~tmp~1#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 592#L456 __utac_acc__Specification3_spec__1_#t~ret18#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~1#1 := __utac_acc__Specification3_spec__1_#t~ret18#1;havoc __utac_acc__Specification3_spec__1_#t~ret18#1; 534#L283 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 535#L488 __utac_acc__Specification3_spec__1_#t~ret19#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret19#1;havoc __utac_acc__Specification3_spec__1_#t~ret19#1; 572#L289 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 602#L289-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 601#L83 assume { :end_inline_timeShift } true; 499#L179-2 [2022-11-02 20:11:07,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:07,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-02 20:11:07,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:07,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740688217] [2022-11-02 20:11:07,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:07,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:07,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:07,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:07,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:07,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:11:07,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:07,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1745681414, now seen corresponding path program 1 times [2022-11-02 20:11:07,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:07,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466242376] [2022-11-02 20:11:07,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:07,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:07,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:07,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:11:07,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:11:07,268 INFO L85 PathProgramCache]: Analyzing trace with hash -247142462, now seen corresponding path program 1 times [2022-11-02 20:11:07,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:11:07,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141809206] [2022-11-02 20:11:07,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:11:07,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:11:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:07,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:07,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:11:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:11,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:11:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:11:11,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:11:11 BoogieIcfgContainer [2022-11-02 20:11:11,820 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:11:11,821 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:11:11,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:11:11,821 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:11:11,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:11:05" (3/4) ... [2022-11-02 20:11:11,825 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-02 20:11:11,906 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:11:11,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:11:11,920 INFO L158 Benchmark]: Toolchain (without parser) took 8080.32ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 103.3MB in the beginning and 149.4MB in the end (delta: -46.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-02 20:11:11,921 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 140.5MB. Free memory was 113.6MB in the beginning and 113.6MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:11:11,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 655.87ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 107.0MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:11:11,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.07ms. Allocated memory is still 140.5MB. Free memory was 107.0MB in the beginning and 104.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:11:11,924 INFO L158 Benchmark]: Boogie Preprocessor took 39.99ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 102.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:11:11,924 INFO L158 Benchmark]: RCFGBuilder took 602.48ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 85.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:11:11,926 INFO L158 Benchmark]: BuchiAutomizer took 6562.91ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 84.9MB in the beginning and 151.5MB in the end (delta: -66.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2022-11-02 20:11:11,929 INFO L158 Benchmark]: Witness Printer took 97.79ms. Allocated memory is still 209.7MB. Free memory was 151.5MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:11:11,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 140.5MB. Free memory was 113.6MB in the beginning and 113.6MB in the end (delta: 31.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 655.87ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 107.0MB in the end (delta: -4.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.07ms. Allocated memory is still 140.5MB. Free memory was 107.0MB in the beginning and 104.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.99ms. Allocated memory is still 140.5MB. Free memory was 104.4MB in the beginning and 102.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.48ms. Allocated memory is still 140.5MB. Free memory was 102.8MB in the beginning and 85.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6562.91ms. Allocated memory was 140.5MB in the beginning and 209.7MB in the end (delta: 69.2MB). Free memory was 84.9MB in the beginning and 151.5MB in the end (delta: -66.6MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Witness Printer took 97.79ms. Allocated memory is still 209.7MB. Free memory was 151.5MB in the beginning and 149.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 91 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 566 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 566 mSDsluCounter, 558 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 350 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 208 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 179]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; [L395] FCALL select_helpers() [L396] FCALL select_features() [L397] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L397] RET, EXPR valid_product() [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) [L401] FCALL setup() [L402] CALL runTest() [L384] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification3_spec__1() [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L281] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L287] CALL, EXPR getWaterLevel() [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L287] RET, EXPR getWaterLevel() [L287] tmp___0 = getWaterLevel() [L289] COND FALSE !(tmp___0 == 2) [L81] RET __utac_acc__Specification3_spec__1() [L222] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 179]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int pumpRunning = 0; [L59] int systemActive = 1; [L317] int cleanupTimeShifts = 4; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L662] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L390] int retValue_acc ; [L391] int tmp ; [L395] FCALL select_helpers() [L396] FCALL select_features() [L397] CALL, EXPR valid_product() [L263] int retValue_acc ; [L266] retValue_acc = 1 [L267] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L397] RET, EXPR valid_product() [L397] tmp = valid_product() [L399] COND TRUE \read(tmp) [L401] FCALL setup() [L402] CALL runTest() [L384] CALL test() [L170] int splverifierCounter ; [L171] int tmp ; [L172] int tmp___0 ; [L173] int tmp___1 ; [L174] int tmp___2 ; [L177] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L179] COND TRUE 1 [L181] COND TRUE splverifierCounter < 4 [L187] tmp = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp)) [L197] tmp___0 = __VERIFIER_nondet_int() [L199] COND FALSE !(\read(tmp___0)) [L207] tmp___2 = __VERIFIER_nondet_int() [L209] COND TRUE \read(tmp___2) [L222] CALL timeShift() [L66] COND FALSE !(\read(pumpRunning)) [L73] COND TRUE \read(systemActive) [L75] FCALL processEnvironment() [L81] CALL __utac_acc__Specification3_spec__1() [L275] int tmp ; [L276] int tmp___0 ; [L277] int tmp___1 ; [L281] CALL, EXPR isMethaneLevelCritical() [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L287] CALL, EXPR getWaterLevel() [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L287] RET, EXPR getWaterLevel() [L287] tmp___0 = getWaterLevel() [L289] COND FALSE !(tmp___0 == 2) [L81] RET __utac_acc__Specification3_spec__1() [L222] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-02 20:11:12,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6abe13f-96aa-4d01-a8c1-6120417bed15/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)