./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8 --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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- 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-2329fc7 [2022-12-13 11:57:07,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:57:07,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:57:07,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:57:07,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:57:07,332 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:57:07,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:57:07,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:57:07,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:57:07,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:57:07,335 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:57:07,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:57:07,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:57:07,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:57:07,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:57:07,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:57:07,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:57:07,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:57:07,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:57:07,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:57:07,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:57:07,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:57:07,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:57:07,344 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:57:07,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:57:07,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:57:07,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:57:07,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:57:07,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:57:07,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:57:07,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:57:07,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:57:07,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:57:07,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:57:07,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:57:07,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:57:07,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:57:07,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:57:07,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:57:07,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:57:07,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:57:07,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 11:57:07,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:57:07,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:57:07,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:57:07,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:57:07,367 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:57:07,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:57:07,368 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:57:07,368 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:57:07,368 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:57:07,368 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:57:07,368 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:57:07,368 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:57:07,368 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:57:07,368 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:57:07,369 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:57:07,369 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:57:07,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:57:07,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:57:07,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:57:07,369 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:57:07,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:57:07,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:57:07,370 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:57:07,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:57:07,370 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:57:07,370 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:57:07,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:57:07,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:57:07,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:57:07,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:57:07,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:57:07,372 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:57:07,372 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_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2022-12-13 11:57:07,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:57:07,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:57:07,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:57:07,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:57:07,605 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:57:07,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-12-13 11:57:10,160 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:57:10,347 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:57:10,348 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-12-13 11:57:10,357 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/data/4a051fd85/997bdf233fb44910865443d40aa0cb36/FLAG632a9da02 [2022-12-13 11:57:10,368 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/data/4a051fd85/997bdf233fb44910865443d40aa0cb36 [2022-12-13 11:57:10,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:57:10,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:57:10,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:57:10,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:57:10,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:57:10,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449085a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10, skipping insertion in model container [2022-12-13 11:57:10,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:57:10,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:57:10,528 WARN L237 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_4fd53306-b627-441d-b0e7-ac7bfea97a05/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-12-13 11:57:10,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:57:10,580 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:57:10,596 WARN L237 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_4fd53306-b627-441d-b0e7-ac7bfea97a05/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-12-13 11:57:10,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:57:10,635 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:57:10,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10 WrapperNode [2022-12-13 11:57:10,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:57:10,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:57:10,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:57:10,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:57:10,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,667 INFO L138 Inliner]: procedures = 53, calls = 97, calls flagged for inlining = 50, calls inlined = 50, statements flattened = 326 [2022-12-13 11:57:10,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:57:10,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:57:10,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:57:10,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:57:10,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,686 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,687 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:57:10,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:57:10,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:57:10,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:57:10,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (1/1) ... [2022-12-13 11:57:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:57:10,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:57:10,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:57:10,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:57:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:57:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:57:10,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:57:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:57:10,812 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:57:10,813 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:57:11,029 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:57:11,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:57:11,037 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:57:11,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:57:11 BoogieIcfgContainer [2022-12-13 11:57:11,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:57:11,039 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:57:11,039 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:57:11,042 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:57:11,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:57:11,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:57:10" (1/3) ... [2022-12-13 11:57:11,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d593732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:57:11, skipping insertion in model container [2022-12-13 11:57:11,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:57:11,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:57:10" (2/3) ... [2022-12-13 11:57:11,044 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d593732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:57:11, skipping insertion in model container [2022-12-13 11:57:11,044 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:57:11,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:57:11" (3/3) ... [2022-12-13 11:57:11,045 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2022-12-13 11:57:11,093 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:57:11,093 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:57:11,093 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:57:11,093 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:57:11,093 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:57:11,093 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:57:11,094 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:57:11,094 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:57:11,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 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) [2022-12-13 11:57:11,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-12-13 11:57:11,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:57:11,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:57:11,118 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:57:11,118 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:57:11,119 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:57:11,119 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 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) [2022-12-13 11:57:11,122 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-12-13 11:57:11,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:57:11,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:57:11,123 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:57:11,123 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:57:11,127 INFO L748 eck$LassoCheckResult]: Stem: 25#$Ultimate##0true 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 80#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 71#valid_product_returnLabel#1true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 35#L911true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 51#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 79#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 75#L238-2true [2022-12-13 11:57:11,128 INFO L750 eck$LassoCheckResult]: Loop: 75#L238-2true assume !false; 23#L239true assume test_~splverifierCounter~0#1 < 4; 20#L240true test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 104#L248true assume !(0 != test_~tmp~2#1); 27#L248-2true test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 26#L258true assume !(0 != test_~tmp___0~0#1); 57#L258-2true test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 16#L268true assume 0 != test_~tmp___2~0#1; 100#L274-2true assume { :begin_inline_timeShift } true; 94#L67true assume !(0 != ~pumpRunning~0); 15#L67-2true assume !(0 != ~systemActive~0); 76#L74-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 49#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 52#L806true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 58#L806-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 43#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 75#L238-2true [2022-12-13 11:57:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 11:57:11,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:11,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679921070] [2022-12-13 11:57:11,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:11,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:57:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,269 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:57:11,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:11,272 INFO L85 PathProgramCache]: Analyzing trace with hash 825337738, now seen corresponding path program 1 times [2022-12-13 11:57:11,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:11,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4963336] [2022-12-13 11:57:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:11,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,282 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:57:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:57:11,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:11,293 INFO L85 PathProgramCache]: Analyzing trace with hash 663050355, now seen corresponding path program 1 times [2022-12-13 11:57:11,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:11,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267534433] [2022-12-13 11:57:11,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:11,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:11,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:57:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 11:57:11,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:57:11,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267534433] [2022-12-13 11:57:11,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267534433] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:57:11,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:57:11,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:57:11,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162212161] [2022-12-13 11:57:11,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:57:11,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:57:11,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:57:11,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:57:11,586 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.3689320388349515) internal successors, (141), 103 states have internal predecessors, (141), 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 4.0) internal successors, (24), 5 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) [2022-12-13 11:57:11,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:57:11,683 INFO L93 Difference]: Finished difference Result 261 states and 336 transitions. [2022-12-13 11:57:11,685 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 261 states and 336 transitions. [2022-12-13 11:57:11,693 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 165 [2022-12-13 11:57:11,698 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 261 states to 231 states and 306 transitions. [2022-12-13 11:57:11,699 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2022-12-13 11:57:11,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2022-12-13 11:57:11,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 306 transitions. [2022-12-13 11:57:11,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:57:11,701 INFO L218 hiAutomatonCegarLoop]: Abstraction has 231 states and 306 transitions. [2022-12-13 11:57:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 306 transitions. [2022-12-13 11:57:11,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 146. [2022-12-13 11:57:11,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.3287671232876712) internal successors, (194), 145 states have internal predecessors, (194), 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) [2022-12-13 11:57:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 194 transitions. [2022-12-13 11:57:11,734 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 194 transitions. [2022-12-13 11:57:11,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:57:11,739 INFO L428 stractBuchiCegarLoop]: Abstraction has 146 states and 194 transitions. [2022-12-13 11:57:11,739 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:57:11,739 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 194 transitions. [2022-12-13 11:57:11,742 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2022-12-13 11:57:11,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:57:11,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:57:11,743 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:57:11,743 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] [2022-12-13 11:57:11,743 INFO L748 eck$LassoCheckResult]: Stem: 450#$Ultimate##0 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~7#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 438#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 439#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~8#1;havoc valid_product_~retValue_acc~8#1;valid_product_~retValue_acc~8#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~8#1; 433#valid_product_returnLabel#1 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 434#L911 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 383#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 384#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 449#L238-2 [2022-12-13 11:57:11,744 INFO L750 eck$LassoCheckResult]: Loop: 449#L238-2 assume !false; 447#L239 assume test_~splverifierCounter~0#1 < 4; 440#L240 test_~tmp~2#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 441#L248 assume !(0 != test_~tmp~2#1); 411#L248-2 test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 454#L258 assume !(0 != test_~tmp___0~0#1); 399#L258-2 test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 400#L268 assume 0 != test_~tmp___2~0#1; 428#L274-2 assume { :begin_inline_timeShift } true; 471#L67 assume !(0 != ~pumpRunning~0); 417#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 418#L99 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 459#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 463#L99-1 assume { :end_inline_processEnvironment } true; 452#L74-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret48#1, __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 453#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret48#1;havoc __utac_acc__Specification2_spec__2_#t~ret48#1; 385#L806 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 387#L806-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 401#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 449#L238-2 [2022-12-13 11:57:11,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 11:57:11,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:11,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919186617] [2022-12-13 11:57:11,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:11,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:57:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:57:11,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:11,767 INFO L85 PathProgramCache]: Analyzing trace with hash -61847530, now seen corresponding path program 1 times [2022-12-13 11:57:11,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:11,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960684893] [2022-12-13 11:57:11,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:11,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:57:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:57:11,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:57:11,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1367900813, now seen corresponding path program 1 times [2022-12-13 11:57:11,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:57:11,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804084664] [2022-12-13 11:57:11,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:57:11,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:57:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:57:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:11,812 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:57:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:12,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:57:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:57:12,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:57:12 BoogieIcfgContainer [2022-12-13 11:57:12,559 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:57:12,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:57:12,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:57:12,560 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:57:12,560 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:57:11" (3/4) ... [2022-12-13 11:57:12,562 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 11:57:12,594 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:57:12,594 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:57:12,594 INFO L158 Benchmark]: Toolchain (without parser) took 2223.69ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 96.8MB in the beginning and 60.5MB in the end (delta: 36.3MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-12-13 11:57:12,595 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:57:12,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.34ms. Allocated memory is still 127.9MB. Free memory was 96.3MB in the beginning and 78.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 11:57:12,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.63ms. Allocated memory is still 127.9MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:57:12,595 INFO L158 Benchmark]: Boogie Preprocessor took 23.06ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 74.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:57:12,596 INFO L158 Benchmark]: RCFGBuilder took 347.19ms. Allocated memory is still 127.9MB. Free memory was 74.3MB in the beginning and 57.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 11:57:12,596 INFO L158 Benchmark]: BuchiAutomizer took 1520.11ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 57.0MB in the beginning and 62.6MB in the end (delta: -5.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2022-12-13 11:57:12,596 INFO L158 Benchmark]: Witness Printer took 34.23ms. Allocated memory is still 155.2MB. Free memory was 62.6MB in the beginning and 60.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:57:12,598 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.34ms. Allocated memory is still 127.9MB. Free memory was 96.3MB in the beginning and 78.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.63ms. Allocated memory is still 127.9MB. Free memory was 78.5MB in the beginning and 75.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.06ms. Allocated memory is still 127.9MB. Free memory was 75.9MB in the beginning and 74.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.19ms. Allocated memory is still 127.9MB. Free memory was 74.3MB in the beginning and 57.0MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1520.11ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 57.0MB in the beginning and 62.6MB in the end (delta: -5.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Witness Printer took 34.23ms. Allocated memory is still 155.2MB. Free memory was 62.6MB in the beginning and 60.5MB 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 146 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 85 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, 469 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 686 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 125 mSDtfsCounter, 42 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: 238]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 238]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L296] int waterLevel = 1; [L297] int methaneLevelCritical = 0; [L554] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L789] int methAndRunningLastTime ; [L828] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L902] int retValue_acc ; [L903] int tmp ; [L907] FCALL select_helpers() [L908] FCALL select_features() [L909] CALL, EXPR valid_product() [L780] int retValue_acc ; [L783] retValue_acc = 1 [L784] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L909] RET, EXPR valid_product() [L909] tmp = valid_product() [L911] COND TRUE \read(tmp) [L913] FCALL setup() [L914] CALL runTest() [L895] CALL __utac_acc__Specification2_spec__1() [L794] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L895] RET __utac_acc__Specification2_spec__1() [L896] CALL test() [L229] int splverifierCounter ; [L230] int tmp ; [L231] int tmp___0 ; [L232] int tmp___1 ; [L233] int tmp___2 ; [L236] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L238] COND TRUE 1 [L240] COND TRUE splverifierCounter < 4 [L246] tmp = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp)) [L256] tmp___0 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___0)) [L266] tmp___2 = __VERIFIER_nondet_int() [L268] COND TRUE \read(tmp___2) [L283] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L799] int tmp ; [L800] int tmp___0 ; [L804] CALL, EXPR isMethaneLevelCritical() [L335] int retValue_acc ; [L338] retValue_acc = methaneLevelCritical [L339] return (retValue_acc); [L804] RET, EXPR isMethaneLevelCritical() [L804] tmp = isMethaneLevelCritical() [L806] COND FALSE !(\read(tmp)) [L822] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L283] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 11:57:12,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fd53306-b627-441d-b0e7-ac7bfea97a05/bin/uautomizer-uyxdKDjOR8/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)