./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.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_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/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_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/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_b5442af1-31e7-4920-ab51-c097a79ba349/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 80c186986e830d4bb291929eac4e7624996dc1953e9c0441022d003e4def396a --- 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 17:09:20,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:09:20,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:09:20,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:09:20,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:09:20,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:09:20,528 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:09:20,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:09:20,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:09:20,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:09:20,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:09:20,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:09:20,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:09:20,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:09:20,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:09:20,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:09:20,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:09:20,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:09:20,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:09:20,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:09:20,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:09:20,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:09:20,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:09:20,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:09:20,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:09:20,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:09:20,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:09:20,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:09:20,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:09:20,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:09:20,556 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:09:20,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:09:20,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:09:20,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:09:20,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:09:20,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:09:20,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:09:20,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:09:20,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:09:20,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:09:20,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:09:20,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 17:09:20,586 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:09:20,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:09:20,587 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:09:20,587 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:09:20,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:09:20,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:09:20,588 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:09:20,589 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 17:09:20,589 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 17:09:20,589 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 17:09:20,589 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 17:09:20,589 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 17:09:20,589 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 17:09:20,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:09:20,590 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 17:09:20,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:09:20,590 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:09:20,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 17:09:20,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:09:20,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 17:09:20,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 17:09:20,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 17:09:20,591 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 17:09:20,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:09:20,591 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 17:09:20,591 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:09:20,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 17:09:20,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:09:20,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:09:20,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:09:20,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:09:20,593 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 17:09:20,593 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_b5442af1-31e7-4920-ab51-c097a79ba349/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80c186986e830d4bb291929eac4e7624996dc1953e9c0441022d003e4def396a [2022-12-13 17:09:20,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:09:20,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:09:20,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:09:20,797 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:09:20,797 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:09:20,798 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2022-12-13 17:09:23,383 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:09:23,562 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:09:23,563 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c [2022-12-13 17:09:23,576 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/data/80c56a6ac/e4e5208cd4b6421f80a9fd7220b579d5/FLAG3157a049d [2022-12-13 17:09:23,589 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/data/80c56a6ac/e4e5208cd4b6421f80a9fd7220b579d5 [2022-12-13 17:09:23,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:09:23,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:09:23,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:09:23,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:09:23,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:09:23,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a079a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23, skipping insertion in model container [2022-12-13 17:09:23,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:09:23,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:09:23,826 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_b5442af1-31e7-4920-ab51-c097a79ba349/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18403,18416] [2022-12-13 17:09:23,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:09:23,837 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:09:23,880 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_b5442af1-31e7-4920-ab51-c097a79ba349/sv-benchmarks/c/product-lines/minepump_spec2_product43.cil.c[18403,18416] [2022-12-13 17:09:23,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:09:23,892 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:09:23,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23 WrapperNode [2022-12-13 17:09:23,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:09:23,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:09:23,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:09:23,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:09:23,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,926 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 51, calls inlined = 59, statements flattened = 419 [2022-12-13 17:09:23,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:09:23,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:09:23,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:09:23,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:09:23,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,947 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:09:23,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:09:23,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:09:23,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:09:23,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (1/1) ... [2022-12-13 17:09:23,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:09:23,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:09:23,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:09:23,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 17:09:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 17:09:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 17:09:24,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:09:24,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:09:24,063 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:09:24,064 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:09:24,300 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:09:24,305 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:09:24,305 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:09:24,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:09:24 BoogieIcfgContainer [2022-12-13 17:09:24,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:09:24,307 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 17:09:24,307 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 17:09:24,310 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 17:09:24,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:09:24,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 05:09:23" (1/3) ... [2022-12-13 17:09:24,311 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65da4377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:09:24, skipping insertion in model container [2022-12-13 17:09:24,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:09:24,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:09:23" (2/3) ... [2022-12-13 17:09:24,312 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65da4377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:09:24, skipping insertion in model container [2022-12-13 17:09:24,312 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:09:24,312 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:09:24" (3/3) ... [2022-12-13 17:09:24,313 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product43.cil.c [2022-12-13 17:09:24,354 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 17:09:24,355 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 17:09:24,355 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 17:09:24,355 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 17:09:24,355 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 17:09:24,355 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 17:09:24,355 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 17:09:24,355 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 17:09:24,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 124 states have internal predecessors, (171), 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 17:09:24,375 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2022-12-13 17:09:24,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:09:24,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:09:24,380 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:09:24,380 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 17:09:24,381 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 17:09:24,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 125 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 124 states have internal predecessors, (171), 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 17:09:24,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80 [2022-12-13 17:09:24,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:09:24,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:09:24,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:09:24,386 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 17:09:24,390 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 23#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 105#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; 88#valid_product_returnLabel#1true main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 26#L607true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 67#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; 103#__utac_acc__Specification2_spec__1_returnLabel#1true 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; 118#L708-2true [2022-12-13 17:09:24,390 INFO L750 eck$LassoCheckResult]: Loop: 118#L708-2true assume !false; 109#L709true assume test_~splverifierCounter~0#1 < 4; 66#L710true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 90#L718true assume !(0 != test_~tmp~5#1); 123#L718-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 57#L728true assume !(0 != test_~tmp___0~1#1); 19#L728-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 47#L738true assume 0 != test_~tmp___2~0#1; 81#L744-2true assume { :begin_inline_timeShift } true; 82#L774true assume !(0 != ~pumpRunning~0); 48#L774-2true assume !(0 != ~systemActive~0); 17#L781-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret34#1, __utac_acc__Specification2_spec__2_#t~ret35#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#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; 65#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret34#1;havoc __utac_acc__Specification2_spec__2_#t~ret34#1; 62#L675true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 84#L675-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 54#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 118#L708-2true [2022-12-13 17:09:24,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:24,394 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 17:09:24,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:24,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113675987] [2022-12-13 17:09:24,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:24,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:24,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:09:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:24,509 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:09:24,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:24,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1535340682, now seen corresponding path program 1 times [2022-12-13 17:09:24,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:24,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931460690] [2022-12-13 17:09:24,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:24,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:24,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:24,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:09:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:24,525 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:09:24,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:24,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1373053299, now seen corresponding path program 1 times [2022-12-13 17:09:24,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:24,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921118976] [2022-12-13 17:09:24,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:24,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:09:24,672 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 17:09:24,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:09:24,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921118976] [2022-12-13 17:09:24,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921118976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:09:24,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:09:24,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:09:24,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631850901] [2022-12-13 17:09:24,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:09:24,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:09:24,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 17:09:24,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 17:09:24,797 INFO L87 Difference]: Start difference. First operand has 125 states, 124 states have (on average 1.3790322580645162) internal successors, (171), 124 states have internal predecessors, (171), 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 17:09:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:09:24,891 INFO L93 Difference]: Finished difference Result 303 states and 396 transitions. [2022-12-13 17:09:24,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 396 transitions. [2022-12-13 17:09:24,896 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 193 [2022-12-13 17:09:24,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 273 states and 366 transitions. [2022-12-13 17:09:24,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 273 [2022-12-13 17:09:24,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 273 [2022-12-13 17:09:24,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 273 states and 366 transitions. [2022-12-13 17:09:24,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:09:24,903 INFO L218 hiAutomatonCegarLoop]: Abstraction has 273 states and 366 transitions. [2022-12-13 17:09:24,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states and 366 transitions. [2022-12-13 17:09:24,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 167. [2022-12-13 17:09:24,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 167 states have (on average 1.341317365269461) internal successors, (224), 166 states have internal predecessors, (224), 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 17:09:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 224 transitions. [2022-12-13 17:09:24,928 INFO L240 hiAutomatonCegarLoop]: Abstraction has 167 states and 224 transitions. [2022-12-13 17:09:24,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 17:09:24,931 INFO L428 stractBuchiCegarLoop]: Abstraction has 167 states and 224 transitions. [2022-12-13 17:09:24,931 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 17:09:24,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 167 states and 224 transitions. [2022-12-13 17:09:24,935 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 118 [2022-12-13 17:09:24,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:09:24,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:09:24,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:09:24,936 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 17:09:24,936 INFO L748 eck$LassoCheckResult]: Stem: 481#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 482#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 479#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 480#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; 545#valid_product_returnLabel#1 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 483#L607 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 484#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; 531#__utac_acc__Specification2_spec__1_returnLabel#1 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; 518#L708-2 [2022-12-13 17:09:24,937 INFO L750 eck$LassoCheckResult]: Loop: 518#L708-2 assume !false; 556#L709 assume test_~splverifierCounter~0#1 < 4; 529#L710 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 530#L718 assume !(0 != test_~tmp~5#1); 547#L718-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 522#L728 assume !(0 != test_~tmp___0~1#1); 458#L728-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 475#L738 assume 0 != test_~tmp___2~0#1; 489#L744-2 assume { :begin_inline_timeShift } true; 540#L774 assume !(0 != ~pumpRunning~0); 476#L774-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 511#L806 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 532#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 467#L806-1 assume { :end_inline_processEnvironment } true; 471#L781-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret34#1, __utac_acc__Specification2_spec__2_#t~ret35#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#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; 472#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret34#1;havoc __utac_acc__Specification2_spec__2_#t~ret34#1; 526#L675 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 527#L675-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 517#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 518#L708-2 [2022-12-13 17:09:24,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:24,938 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 17:09:24,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:24,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517612202] [2022-12-13 17:09:24,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:24,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:24,948 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:09:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:24,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:09:24,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:24,960 INFO L85 PathProgramCache]: Analyzing trace with hash -648817642, now seen corresponding path program 1 times [2022-12-13 17:09:24,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:24,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533633348] [2022-12-13 17:09:24,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:24,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:09:24,981 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 17:09:24,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:09:24,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533633348] [2022-12-13 17:09:24,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533633348] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:09:24,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:09:24,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 17:09:24,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608853224] [2022-12-13 17:09:24,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:09:24,983 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 17:09:24,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:09:24,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 17:09:24,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 17:09:24,984 INFO L87 Difference]: Start difference. First operand 167 states and 224 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 17:09:25,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:09:25,026 INFO L93 Difference]: Finished difference Result 220 states and 284 transitions. [2022-12-13 17:09:25,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 284 transitions. [2022-12-13 17:09:25,028 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2022-12-13 17:09:25,029 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 220 states and 284 transitions. [2022-12-13 17:09:25,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 220 [2022-12-13 17:09:25,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 220 [2022-12-13 17:09:25,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 220 states and 284 transitions. [2022-12-13 17:09:25,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:09:25,031 INFO L218 hiAutomatonCegarLoop]: Abstraction has 220 states and 284 transitions. [2022-12-13 17:09:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states and 284 transitions. [2022-12-13 17:09:25,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2022-12-13 17:09:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 220 states have (on average 1.290909090909091) internal successors, (284), 219 states have internal predecessors, (284), 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 17:09:25,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 284 transitions. [2022-12-13 17:09:25,038 INFO L240 hiAutomatonCegarLoop]: Abstraction has 220 states and 284 transitions. [2022-12-13 17:09:25,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 17:09:25,039 INFO L428 stractBuchiCegarLoop]: Abstraction has 220 states and 284 transitions. [2022-12-13 17:09:25,040 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 17:09:25,040 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 220 states and 284 transitions. [2022-12-13 17:09:25,042 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 159 [2022-12-13 17:09:25,042 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:09:25,042 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:09:25,042 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 17:09:25,042 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, 1, 1, 1, 1, 1] [2022-12-13 17:09:25,043 INFO L748 eck$LassoCheckResult]: Stem: 874#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 875#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 872#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 873#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; 946#valid_product_returnLabel#1 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 876#L607 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 877#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; 929#__utac_acc__Specification2_spec__1_returnLabel#1 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; 960#L708-2 [2022-12-13 17:09:25,043 INFO L750 eck$LassoCheckResult]: Loop: 960#L708-2 assume !false; 1045#L709 assume test_~splverifierCounter~0#1 < 4; 1044#L710 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 1042#L718 assume !(0 != test_~tmp~5#1); 1040#L718-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1038#L728 assume !(0 != test_~tmp___0~1#1); 1036#L728-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1034#L738 assume 0 != test_~tmp___2~0#1; 1033#L744-2 assume { :begin_inline_timeShift } true; 942#L774 assume !(0 != ~pumpRunning~0); 908#L774-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 909#L806 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret51#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 905#L140 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 865#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret51#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret51#1;havoc isHighWaterLevel_#t~ret51#1; 866#L926 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0; 953#L926-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 955#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret40#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~6#1 := processEnvironment_#t~ret40#1;havoc processEnvironment_#t~ret40#1; 845#L810 assume !(0 != processEnvironment_~tmp~6#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 847#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 860#L806-1 assume { :end_inline_processEnvironment } true; 934#L781-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret34#1, __utac_acc__Specification2_spec__2_#t~ret35#1, __utac_acc__Specification2_spec__2_~tmp~4#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~4#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; 1052#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4#1 := __utac_acc__Specification2_spec__2_#t~ret34#1;havoc __utac_acc__Specification2_spec__2_#t~ret34#1; 1050#L675 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4#1);~methAndRunningLastTime~0 := 0; 1047#L675-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1046#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 960#L708-2 [2022-12-13 17:09:25,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:25,043 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 17:09:25,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:25,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299469877] [2022-12-13 17:09:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:25,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:09:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,056 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:09:25,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:25,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2046804478, now seen corresponding path program 1 times [2022-12-13 17:09:25,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:25,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475230717] [2022-12-13 17:09:25,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:25,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:09:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:09:25,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:09:25,068 INFO L85 PathProgramCache]: Analyzing trace with hash -978712779, now seen corresponding path program 1 times [2022-12-13 17:09:25,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:09:25,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898878093] [2022-12-13 17:09:25,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:09:25,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:09:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:09:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,089 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:09:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,892 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:09:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:09:25,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 05:09:25 BoogieIcfgContainer [2022-12-13 17:09:25,936 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 17:09:25,937 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:09:25,937 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:09:25,937 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:09:25,938 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:09:24" (3/4) ... [2022-12-13 17:09:25,940 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 17:09:25,973 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 17:09:25,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:09:25,974 INFO L158 Benchmark]: Toolchain (without parser) took 2380.63ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 102.9MB in the beginning and 54.9MB in the end (delta: 48.0MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-12-13 17:09:25,974 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:09:25,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.10ms. Allocated memory is still 136.3MB. Free memory was 102.9MB in the beginning and 84.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 17:09:25,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.63ms. Allocated memory is still 136.3MB. Free memory was 84.6MB in the beginning and 81.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 17:09:25,976 INFO L158 Benchmark]: Boogie Preprocessor took 22.64ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:09:25,976 INFO L158 Benchmark]: RCFGBuilder took 356.41ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 60.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 17:09:25,976 INFO L158 Benchmark]: BuchiAutomizer took 1629.03ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2022-12-13 17:09:25,976 INFO L158 Benchmark]: Witness Printer took 36.44ms. Allocated memory is still 169.9MB. Free memory was 58.1MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:09:25,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.10ms. Allocated memory is still 136.3MB. Free memory was 102.9MB in the beginning and 84.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.63ms. Allocated memory is still 136.3MB. Free memory was 84.6MB in the beginning and 81.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.64ms. Allocated memory is still 136.3MB. Free memory was 81.4MB in the beginning and 79.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.41ms. Allocated memory is still 136.3MB. Free memory was 79.3MB in the beginning and 60.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1629.03ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.9MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 36.44ms. Allocated memory is still 169.9MB. Free memory was 58.1MB in the beginning and 54.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 220 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 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 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 106 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, 850 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 850 mSDsluCounter, 1074 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 768 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 306 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 708]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L517] int cleanupTimeShifts = 4; [L658] int methAndRunningLastTime ; [L767] int pumpRunning = 0; [L768] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L598] int retValue_acc ; [L599] int tmp ; [L603] FCALL select_helpers() [L604] FCALL select_features() [L605] CALL, EXPR valid_product() [L647] int retValue_acc ; [L650] retValue_acc = 1 [L651] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L605] RET, EXPR valid_product() [L605] tmp = valid_product() [L607] COND TRUE \read(tmp) [L609] FCALL setup() [L610] CALL runTest() [L588] CALL __utac_acc__Specification2_spec__1() [L663] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] RET __utac_acc__Specification2_spec__1() [L589] CALL test() [L699] int splverifierCounter ; [L700] int tmp ; [L701] int tmp___0 ; [L702] int tmp___1 ; [L703] int tmp___2 ; [L706] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L708] COND TRUE 1 [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND TRUE \read(tmp___2) [L753] CALL timeShift() [L774] COND FALSE !(\read(pumpRunning)) [L781] COND TRUE \read(systemActive) [L783] CALL processEnvironment() [L803] int tmp ; [L806] COND TRUE ! pumpRunning [L808] CALL, EXPR isHighWaterLevel() [L918] int retValue_acc ; [L919] int tmp ; [L920] int tmp___0 ; [L924] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L924] RET, EXPR isHighWaterSensorDry() [L924] tmp = isHighWaterSensorDry() [L926] COND TRUE \read(tmp) [L927] tmp___0 = 0 [L931] retValue_acc = tmp___0 [L932] return (retValue_acc); [L808] RET, EXPR isHighWaterLevel() [L808] tmp = isHighWaterLevel() [L810] COND FALSE !(\read(tmp)) [L816] FCALL processEnvironment__wrappee__base() [L783] RET processEnvironment() [L789] CALL __utac_acc__Specification2_spec__2() [L668] int tmp ; [L669] int tmp___0 ; [L673] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L691] methAndRunningLastTime = 0 [L789] RET __utac_acc__Specification2_spec__2() [L753] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 708]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L517] int cleanupTimeShifts = 4; [L658] int methAndRunningLastTime ; [L767] int pumpRunning = 0; [L768] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L598] int retValue_acc ; [L599] int tmp ; [L603] FCALL select_helpers() [L604] FCALL select_features() [L605] CALL, EXPR valid_product() [L647] int retValue_acc ; [L650] retValue_acc = 1 [L651] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L605] RET, EXPR valid_product() [L605] tmp = valid_product() [L607] COND TRUE \read(tmp) [L609] FCALL setup() [L610] CALL runTest() [L588] CALL __utac_acc__Specification2_spec__1() [L663] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] RET __utac_acc__Specification2_spec__1() [L589] CALL test() [L699] int splverifierCounter ; [L700] int tmp ; [L701] int tmp___0 ; [L702] int tmp___1 ; [L703] int tmp___2 ; [L706] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L708] COND TRUE 1 [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND TRUE \read(tmp___2) [L753] CALL timeShift() [L774] COND FALSE !(\read(pumpRunning)) [L781] COND TRUE \read(systemActive) [L783] CALL processEnvironment() [L803] int tmp ; [L806] COND TRUE ! pumpRunning [L808] CALL, EXPR isHighWaterLevel() [L918] int retValue_acc ; [L919] int tmp ; [L920] int tmp___0 ; [L924] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L924] RET, EXPR isHighWaterSensorDry() [L924] tmp = isHighWaterSensorDry() [L926] COND TRUE \read(tmp) [L927] tmp___0 = 0 [L931] retValue_acc = tmp___0 [L932] return (retValue_acc); [L808] RET, EXPR isHighWaterLevel() [L808] tmp = isHighWaterLevel() [L810] COND FALSE !(\read(tmp)) [L816] FCALL processEnvironment__wrappee__base() [L783] RET processEnvironment() [L789] CALL __utac_acc__Specification2_spec__2() [L668] int tmp ; [L669] int tmp___0 ; [L673] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L673] RET, EXPR isMethaneLevelCritical() [L673] tmp = isMethaneLevelCritical() [L675] COND FALSE !(\read(tmp)) [L691] methAndRunningLastTime = 0 [L789] RET __utac_acc__Specification2_spec__2() [L753] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 17:09:26,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5442af1-31e7-4920-ab51-c097a79ba349/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)