./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8 --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 ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 --- 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-e04fb08 [2022-11-16 12:50:30,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:50:30,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:50:30,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:50:30,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:50:30,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:50:30,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:50:30,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:50:30,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:50:30,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:50:30,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:50:30,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:50:30,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:50:30,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:50:30,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:50:30,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:50:30,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:50:30,473 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:50:30,475 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:50:30,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:50:30,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:50:30,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:50:30,486 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:50:30,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:50:30,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:50:30,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:50:30,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:50:30,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:50:30,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:50:30,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:50:30,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:50:30,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:50:30,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:50:30,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:50:30,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:50:30,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:50:30,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:50:30,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:50:30,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:50:30,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:50:30,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:50:30,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:50:30,562 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:50:30,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:50:30,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:50:30,566 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:50:30,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:50:30,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:50:30,568 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:50:30,568 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:50:30,568 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:50:30,568 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:50:30,570 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:50:30,570 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:50:30,570 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:50:30,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:50:30,571 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:50:30,571 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:50:30,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:50:30,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:50:30,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:50:30,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:50:30,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:50:30,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:50:30,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:50:30,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:50:30,573 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:50:30,573 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:50:30,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:50:30,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:50:30,575 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:50:30,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:50:30,576 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:50:30,577 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:50:30,577 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_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec17135ab572d6a825b46b4f9e469e7ed62f14a53646a8b17fddcdf7b172a2e6 [2022-11-16 12:50:30,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:50:30,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:50:30,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:50:30,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:50:30,939 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:50:30,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-11-16 12:50:31,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/data/c24f8499f/1728e9fdd1e44bec980f54c1b2e7e00a/FLAG1aa985d75 [2022-11-16 12:50:31,639 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:50:31,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2022-11-16 12:50:31,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/data/c24f8499f/1728e9fdd1e44bec980f54c1b2e7e00a/FLAG1aa985d75 [2022-11-16 12:50:32,024 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/data/c24f8499f/1728e9fdd1e44bec980f54c1b2e7e00a [2022-11-16 12:50:32,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:50:32,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:50:32,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:32,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:50:32,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:50:32,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4220942e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32, skipping insertion in model container [2022-11-16 12:50:32,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:50:32,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:50:32,287 WARN L229 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_cb8cdb7f-e9fa-41fc-8783-af011d40704d/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2022-11-16 12:50:32,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:32,391 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:50:32,412 WARN L229 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_cb8cdb7f-e9fa-41fc-8783-af011d40704d/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c[2807,2820] [2022-11-16 12:50:32,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:32,484 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:50:32,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32 WrapperNode [2022-11-16 12:50:32,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:32,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:32,486 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:50:32,486 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:50:32,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,567 INFO L138 Inliner]: procedures = 53, calls = 152, calls flagged for inlining = 49, calls inlined = 49, statements flattened = 378 [2022-11-16 12:50:32,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:32,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:50:32,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:50:32,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:50:32,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,628 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:50:32,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:50:32,634 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:50:32,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:50:32,635 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (1/1) ... [2022-11-16 12:50:32,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:50:32,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:50:32,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:50:32,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:50:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:50:32,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:50:32,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:50:32,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:50:32,850 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:50:32,869 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:50:33,362 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:50:33,369 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:50:33,370 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:50:33,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:33 BoogieIcfgContainer [2022-11-16 12:50:33,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:50:33,373 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:50:33,373 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:50:33,387 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:50:33,388 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:50:33,388 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:50:32" (1/3) ... [2022-11-16 12:50:33,389 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63bc1a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:50:33, skipping insertion in model container [2022-11-16 12:50:33,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:50:33,390 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:32" (2/3) ... [2022-11-16 12:50:33,390 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63bc1a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:50:33, skipping insertion in model container [2022-11-16 12:50:33,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:50:33,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:33" (3/3) ... [2022-11-16 12:50:33,392 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2022-11-16 12:50:33,478 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:50:33,478 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:50:33,478 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:50:33,479 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:50:33,479 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:50:33,479 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:50:33,479 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:50:33,479 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:50:33,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 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) [2022-11-16 12:50:33,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-11-16 12:50:33,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:50:33,527 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:50:33,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:33,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:33,536 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:50:33,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 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) [2022-11-16 12:50:33,543 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2022-11-16 12:50:33,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:50:33,544 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:50:33,544 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:33,545 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:33,558 INFO L748 eck$LassoCheckResult]: Stem: 90#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 29#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 54#L170true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 41#L163true 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; 24#L178true main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 13#L270true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 10#L244true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 61#L291true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 20#L701-2true [2022-11-16 12:50:33,561 INFO L750 eck$LassoCheckResult]: Loop: 20#L701-2true assume !false; 19#L702true assume test_~splverifierCounter~0#1 < 4; 15#L703true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 30#L711true assume !(0 != test_~tmp~5#1); 53#L711-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 65#L721true assume !(0 != test_~tmp___0~1#1); 59#L721-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 71#L731true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 3#L739true assume 0 != test_~tmp___1~0#1; 80#L739-2true assume { :begin_inline_timeShift } true; 76#L767true assume !(0 != ~pumpRunning~0); 21#L767-2true assume !(0 != ~systemActive~0); 79#L774-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 36#L99-1true __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 64#L302true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 17#L302-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 89#L784true assume { :end_inline_timeShift } true; 20#L701-2true [2022-11-16 12:50:33,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:33,574 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-16 12:50:33,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:33,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942810813] [2022-11-16 12:50:33,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:33,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:33,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:33,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:33,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:33,808 INFO L85 PathProgramCache]: Analyzing trace with hash 785612298, now seen corresponding path program 1 times [2022-11-16 12:50:33,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:33,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241362175] [2022-11-16 12:50:33,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:33,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:33,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:33,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:33,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:33,864 INFO L85 PathProgramCache]: Analyzing trace with hash 49670721, now seen corresponding path program 1 times [2022-11-16 12:50:33,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:33,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15068628] [2022-11-16 12:50:33,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:33,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:34,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:34,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:34,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15068628] [2022-11-16 12:50:34,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15068628] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:34,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:34,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:50:34,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708298687] [2022-11-16 12:50:34,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:34,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:34,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:50:34,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:50:34,445 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-11-16 12:50:34,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:34,619 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2022-11-16 12:50:34,623 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 123 transitions. [2022-11-16 12:50:34,627 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2022-11-16 12:50:34,638 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 88 states and 113 transitions. [2022-11-16 12:50:34,640 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 88 [2022-11-16 12:50:34,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 88 [2022-11-16 12:50:34,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 88 states and 113 transitions. [2022-11-16 12:50:34,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:50:34,645 INFO L218 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-11-16 12:50:34,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states and 113 transitions. [2022-11-16 12:50:34,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-11-16 12:50:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 87 states have internal predecessors, (113), 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) [2022-11-16 12:50:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 113 transitions. [2022-11-16 12:50:34,690 INFO L240 hiAutomatonCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-11-16 12:50:34,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:34,695 INFO L428 stractBuchiCegarLoop]: Abstraction has 88 states and 113 transitions. [2022-11-16 12:50:34,696 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:50:34,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states and 113 transitions. [2022-11-16 12:50:34,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2022-11-16 12:50:34,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:50:34,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:50:34,705 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:34,705 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, 1] [2022-11-16 12:50:34,706 INFO L748 eck$LassoCheckResult]: Stem: 303#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(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 290#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret10#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 291#L170 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 304#L163 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; 279#L178 main_#t~ret10#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1; 245#L270 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 243#L244 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 244#L291 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 250#L701-2 [2022-11-16 12:50:34,707 INFO L750 eck$LassoCheckResult]: Loop: 250#L701-2 assume !false; 270#L702 assume test_~splverifierCounter~0#1 < 4; 248#L703 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 249#L711 assume !(0 != test_~tmp~5#1); 286#L711-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 257#L721 assume !(0 != test_~tmp___0~1#1); 234#L721-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 235#L731 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 217#L739 assume 0 != test_~tmp___1~0#1; 218#L739-2 assume { :begin_inline_timeShift } true; 287#L767 assume !(0 != ~pumpRunning~0); 273#L767-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 274#L799 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 275#L791-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 276#L799-1 assume { :end_inline_processEnvironment } true; 285#L774-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_#t~ret12#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 293#L99-1 __utac_acc__Specification2_spec__2_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret11#1;havoc __utac_acc__Specification2_spec__2_#t~ret11#1; 255#L302 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 247#L302-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 262#L784 assume { :end_inline_timeShift } true; 250#L701-2 [2022-11-16 12:50:34,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-16 12:50:34,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:34,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947871668] [2022-11-16 12:50:34,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:34,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:34,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:34,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:34,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:34,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1888534189, now seen corresponding path program 1 times [2022-11-16 12:50:34,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:34,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103181290] [2022-11-16 12:50:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:34,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:34,765 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:34,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:34,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:34,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1033907434, now seen corresponding path program 1 times [2022-11-16 12:50:34,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:34,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580836694] [2022-11-16 12:50:34,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:34,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:34,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:34,805 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:39,046 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:39,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:50:39 BoogieIcfgContainer [2022-11-16 12:50:39,120 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:50:39,121 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:50:39,121 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:50:39,121 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:50:39,122 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:33" (3/4) ... [2022-11-16 12:50:39,125 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:50:39,195 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:50:39,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:50:39,196 INFO L158 Benchmark]: Toolchain (without parser) took 7166.68ms. Allocated memory was 90.2MB in the beginning and 138.4MB in the end (delta: 48.2MB). Free memory was 52.6MB in the beginning and 71.4MB in the end (delta: -18.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-11-16 12:50:39,196 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:39,196 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.62ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 58.4MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:50:39,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.48ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 55.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:39,197 INFO L158 Benchmark]: Boogie Preprocessor took 57.87ms. Allocated memory is still 90.2MB. Free memory was 55.5MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:39,198 INFO L158 Benchmark]: RCFGBuilder took 739.01ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.5MB in the beginning and 84.9MB in the end (delta: -31.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-16 12:50:39,198 INFO L158 Benchmark]: BuchiAutomizer took 5746.70ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 84.9MB in the beginning and 73.5MB in the end (delta: 11.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2022-11-16 12:50:39,199 INFO L158 Benchmark]: Witness Printer took 74.49ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:50:39,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 90.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.62ms. Allocated memory is still 90.2MB. Free memory was 52.5MB in the beginning and 58.4MB in the end (delta: -5.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.48ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 55.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.87ms. Allocated memory is still 90.2MB. Free memory was 55.5MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 739.01ms. Allocated memory was 90.2MB in the beginning and 111.1MB in the end (delta: 21.0MB). Free memory was 53.5MB in the beginning and 84.9MB in the end (delta: -31.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5746.70ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 84.9MB in the beginning and 73.5MB in the end (delta: 11.4MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. * Witness Printer took 74.49ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 71.4MB 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 88 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 -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, 356 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 356 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 118 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 701]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L285] int methAndRunningLastTime ; [L57] int methaneLevelCritical = 0; [L760] int pumpRunning = 0; [L56] int waterLevel = 1; [L761] int systemActive = 1; [L183] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] int retValue_acc ; [L262] int tmp ; [L266] FCALL select_helpers() [L267] FCALL select_features() [L268] CALL, EXPR valid_product() [L174] int retValue_acc ; [L177] retValue_acc = 1 [L178] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L268] RET, EXPR valid_product() [L268] tmp = valid_product() [L270] COND TRUE \read(tmp) [L272] FCALL setup() [L273] CALL runTest() [L254] CALL __utac_acc__Specification2_spec__1() [L290] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] RET __utac_acc__Specification2_spec__1() [L255] CALL test() [L692] int splverifierCounter ; [L693] int tmp ; [L694] int tmp___0 ; [L695] int tmp___1 ; [L696] int tmp___2 ; [L699] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L701] COND TRUE 1 [L703] COND TRUE splverifierCounter < 4 [L709] tmp = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp)) [L719] tmp___0 = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp___0)) [L729] tmp___2 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___2)) [L737] tmp___1 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___1) [L746] CALL timeShift() [L767] COND FALSE !(\read(pumpRunning)) [L774] COND TRUE \read(systemActive) [L776] CALL processEnvironment() [L796] int tmp ; [L799] COND FALSE !(\read(pumpRunning)) [L814] FCALL processEnvironment__wrappee__methaneQuery() [L776] RET processEnvironment() [L782] CALL __utac_acc__Specification2_spec__2() [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L300] RET, EXPR isMethaneLevelCritical() [L300] tmp = isMethaneLevelCritical() [L302] COND FALSE !(\read(tmp)) [L318] methAndRunningLastTime = 0 [L782] RET __utac_acc__Specification2_spec__2() [L746] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 701]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L493] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L285] int methAndRunningLastTime ; [L57] int methaneLevelCritical = 0; [L760] int pumpRunning = 0; [L56] int waterLevel = 1; [L761] int systemActive = 1; [L183] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L261] int retValue_acc ; [L262] int tmp ; [L266] FCALL select_helpers() [L267] FCALL select_features() [L268] CALL, EXPR valid_product() [L174] int retValue_acc ; [L177] retValue_acc = 1 [L178] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L268] RET, EXPR valid_product() [L268] tmp = valid_product() [L270] COND TRUE \read(tmp) [L272] FCALL setup() [L273] CALL runTest() [L254] CALL __utac_acc__Specification2_spec__1() [L290] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L254] RET __utac_acc__Specification2_spec__1() [L255] CALL test() [L692] int splverifierCounter ; [L693] int tmp ; [L694] int tmp___0 ; [L695] int tmp___1 ; [L696] int tmp___2 ; [L699] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L701] COND TRUE 1 [L703] COND TRUE splverifierCounter < 4 [L709] tmp = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp)) [L719] tmp___0 = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp___0)) [L729] tmp___2 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___2)) [L737] tmp___1 = __VERIFIER_nondet_int() [L739] COND TRUE \read(tmp___1) [L746] CALL timeShift() [L767] COND FALSE !(\read(pumpRunning)) [L774] COND TRUE \read(systemActive) [L776] CALL processEnvironment() [L796] int tmp ; [L799] COND FALSE !(\read(pumpRunning)) [L814] FCALL processEnvironment__wrappee__methaneQuery() [L776] RET processEnvironment() [L782] CALL __utac_acc__Specification2_spec__2() [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L300] RET, EXPR isMethaneLevelCritical() [L300] tmp = isMethaneLevelCritical() [L302] COND FALSE !(\read(tmp)) [L318] methAndRunningLastTime = 0 [L782] RET __utac_acc__Specification2_spec__2() [L746] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:50:39,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb8cdb7f-e9fa-41fc-8783-af011d40704d/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)