./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/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_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/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_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/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 f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 --- 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 13:05:17,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 13:05:17,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 13:05:17,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 13:05:17,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 13:05:17,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 13:05:17,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 13:05:17,465 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 13:05:17,466 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 13:05:17,467 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 13:05:17,468 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 13:05:17,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 13:05:17,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 13:05:17,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 13:05:17,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 13:05:17,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 13:05:17,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 13:05:17,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 13:05:17,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 13:05:17,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 13:05:17,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 13:05:17,476 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 13:05:17,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 13:05:17,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 13:05:17,480 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 13:05:17,480 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 13:05:17,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 13:05:17,481 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 13:05:17,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 13:05:17,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 13:05:17,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 13:05:17,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 13:05:17,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 13:05:17,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 13:05:17,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 13:05:17,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 13:05:17,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 13:05:17,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 13:05:17,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 13:05:17,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 13:05:17,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 13:05:17,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 13:05:17,503 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 13:05:17,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 13:05:17,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 13:05:17,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 13:05:17,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 13:05:17,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 13:05:17,505 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 13:05:17,505 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 13:05:17,505 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 13:05:17,506 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 13:05:17,506 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 13:05:17,506 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 13:05:17,506 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 13:05:17,507 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 13:05:17,507 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 13:05:17,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 13:05:17,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 13:05:17,508 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 13:05:17,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 13:05:17,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 13:05:17,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 13:05:17,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 13:05:17,509 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 13:05:17,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 13:05:17,509 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 13:05:17,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 13:05:17,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 13:05:17,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 13:05:17,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 13:05:17,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 13:05:17,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 13:05:17,511 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 13:05:17,511 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_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81a9f08305b957d008555f277c01d95103d8323a1ced34ab05d9bf457dca169 [2022-12-13 13:05:17,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 13:05:17,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 13:05:17,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 13:05:17,694 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 13:05:17,694 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 13:05:17,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2022-12-13 13:05:20,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 13:05:20,509 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 13:05:20,510 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c [2022-12-13 13:05:20,520 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/data/18d13d16a/0f06c391d4204bdd80c6124bbe479778/FLAGc668c4789 [2022-12-13 13:05:20,534 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/data/18d13d16a/0f06c391d4204bdd80c6124bbe479778 [2022-12-13 13:05:20,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 13:05:20,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 13:05:20,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 13:05:20,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 13:05:20,543 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 13:05:20,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,545 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea0f684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20, skipping insertion in model container [2022-12-13 13:05:20,545 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 13:05:20,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 13:05:20,746 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_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2022-12-13 13:05:20,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:05:20,824 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 13:05:20,840 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_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/sv-benchmarks/c/product-lines/minepump_spec4_product17.cil.c[3323,3336] [2022-12-13 13:05:20,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 13:05:20,895 INFO L208 MainTranslator]: Completed translation [2022-12-13 13:05:20,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20 WrapperNode [2022-12-13 13:05:20,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 13:05:20,896 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 13:05:20,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 13:05:20,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 13:05:20,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,936 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 46, calls inlined = 47, statements flattened = 321 [2022-12-13 13:05:20,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 13:05:20,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 13:05:20,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 13:05:20,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 13:05:20,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,958 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 13:05:20,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 13:05:20,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 13:05:20,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 13:05:20,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (1/1) ... [2022-12-13 13:05:20,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 13:05:20,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 13:05:20,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 13:05:20,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 13:05:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 13:05:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 13:05:21,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 13:05:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 13:05:21,098 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 13:05:21,099 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 13:05:21,313 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 13:05:21,320 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 13:05:21,320 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 13:05:21,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:05:21 BoogieIcfgContainer [2022-12-13 13:05:21,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 13:05:21,323 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 13:05:21,323 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 13:05:21,328 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 13:05:21,329 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:05:21,329 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 01:05:20" (1/3) ... [2022-12-13 13:05:21,330 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74394679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:05:21, skipping insertion in model container [2022-12-13 13:05:21,330 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:05:21,330 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 01:05:20" (2/3) ... [2022-12-13 13:05:21,331 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74394679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 01:05:21, skipping insertion in model container [2022-12-13 13:05:21,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 13:05:21,331 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:05:21" (3/3) ... [2022-12-13 13:05:21,332 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product17.cil.c [2022-12-13 13:05:21,387 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 13:05:21,387 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 13:05:21,387 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 13:05:21,387 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 13:05:21,387 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 13:05:21,387 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 13:05:21,388 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 13:05:21,388 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 13:05:21,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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 13:05:21,414 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-12-13 13:05:21,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:05:21,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:05:21,418 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:05:21,418 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 13:05:21,418 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 13:05:21,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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 13:05:21,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-12-13 13:05:21,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:05:21,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:05:21,424 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:05:21,424 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 13:05:21,428 INFO L748 eck$LassoCheckResult]: Stem: 19#$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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 22#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 14#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 71#valid_product_returnLabel#1true main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 41#L169true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 57#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 24#L237-2true [2022-12-13 13:05:21,428 INFO L750 eck$LassoCheckResult]: Loop: 24#L237-2true assume !false; 17#L238true assume test_~splverifierCounter~0#1 < 4; 18#L239true test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 84#L247true assume !(0 != test_~tmp~2#1); 62#L247-2true test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 97#L257true assume !(0 != test_~tmp___0~1#1); 23#L257-2true test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 13#L267true assume 0 != test_~tmp___2~0#1; 86#L273-2true assume { :begin_inline_timeShift } true; 46#L305true assume !(0 != ~pumpRunning~0); 92#L305-2true assume !(0 != ~systemActive~0); 20#L312-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 47#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 58#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 89#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 48#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 24#L237-2true [2022-12-13 13:05:21,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:21,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 13:05:21,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:21,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606413211] [2022-12-13 13:05:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:21,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:21,543 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:21,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:21,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:21,579 INFO L85 PathProgramCache]: Analyzing trace with hash -828886172, now seen corresponding path program 1 times [2022-12-13 13:05:21,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:21,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133386620] [2022-12-13 13:05:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:21,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:21,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:21,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:21,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:21,599 INFO L85 PathProgramCache]: Analyzing trace with hash 526532904, now seen corresponding path program 1 times [2022-12-13 13:05:21,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:21,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838782377] [2022-12-13 13:05:21,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:21,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 13:05:21,773 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 13:05:21,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 13:05:21,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838782377] [2022-12-13 13:05:21,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838782377] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 13:05:21,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 13:05:21,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 13:05:21,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384350376] [2022-12-13 13:05:21,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 13:05:21,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 13:05:21,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 13:05:21,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 13:05:21,902 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 13:05:21,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 13:05:21,948 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2022-12-13 13:05:21,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2022-12-13 13:05:21,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-12-13 13:05:21,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2022-12-13 13:05:21,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2022-12-13 13:05:21,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2022-12-13 13:05:21,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2022-12-13 13:05:21,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 13:05:21,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-12-13 13:05:21,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2022-12-13 13:05:21,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-12-13 13:05:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 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 13:05:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-12-13 13:05:21,978 INFO L240 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-12-13 13:05:21,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 13:05:21,981 INFO L428 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-12-13 13:05:21,981 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 13:05:21,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2022-12-13 13:05:21,983 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-12-13 13:05:21,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 13:05:21,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 13:05:21,984 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 13:05:21,984 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 13:05:21,985 INFO L748 eck$LassoCheckResult]: Stem: 278#$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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 279#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret6#1, main_~retValue_acc~0#1, main_~tmp~1#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 267#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 268#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~2#1;havoc valid_product_~retValue_acc~2#1;valid_product_~retValue_acc~2#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~2#1; 259#valid_product_returnLabel#1 main_#t~ret6#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret6#1;havoc main_#t~ret6#1; 260#L169 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 223#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 224#L237-2 [2022-12-13 13:05:21,985 INFO L750 eck$LassoCheckResult]: Loop: 224#L237-2 assume !false; 271#L238 assume test_~splverifierCounter~0#1 < 4; 272#L239 test_~tmp~2#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 274#L247 assume !(0 != test_~tmp~2#1); 237#L247-2 test_~tmp___0~1#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 238#L257 assume !(0 != test_~tmp___0~1#1); 291#L257-2 test_~tmp___2~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 264#L267 assume 0 != test_~tmp___2~0#1; 266#L273-2 assume { :begin_inline_timeShift } true; 290#L305 assume !(0 != ~pumpRunning~0); 302#L305-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 239#L337 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 228#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 229#L337-1 assume { :end_inline_processEnvironment } true; 280#L312-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 281#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 225#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 227#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 293#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 224#L237-2 [2022-12-13 13:05:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:21,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 13:05:21,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:21,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438121074] [2022-12-13 13:05:21,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:21,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:21,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:22,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:22,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:22,008 INFO L85 PathProgramCache]: Analyzing trace with hash -646833821, now seen corresponding path program 1 times [2022-12-13 13:05:22,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:22,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355044041] [2022-12-13 13:05:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:22,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:22,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:22,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:22,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 13:05:22,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1655309599, now seen corresponding path program 1 times [2022-12-13 13:05:22,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 13:05:22,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674127964] [2022-12-13 13:05:22,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 13:05:22,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 13:05:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:22,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:22,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 13:05:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:22,725 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 13:05:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 13:05:22,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 01:05:22 BoogieIcfgContainer [2022-12-13 13:05:22,758 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 13:05:22,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 13:05:22,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 13:05:22,759 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 13:05:22,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 01:05:21" (3/4) ... [2022-12-13 13:05:22,762 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 13:05:22,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 13:05:22,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 13:05:22,809 INFO L158 Benchmark]: Toolchain (without parser) took 2271.04ms. Allocated memory is still 172.0MB. Free memory was 143.1MB in the beginning and 119.2MB in the end (delta: 23.9MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-12-13 13:05:22,810 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:05:22,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.25ms. Allocated memory is still 172.0MB. Free memory was 143.1MB in the beginning and 125.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:05:22,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.33ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 122.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:05:22,811 INFO L158 Benchmark]: Boogie Preprocessor took 24.73ms. Allocated memory is still 172.0MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:05:22,811 INFO L158 Benchmark]: RCFGBuilder took 359.37ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 103.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 13:05:22,812 INFO L158 Benchmark]: BuchiAutomizer took 1435.43ms. Allocated memory is still 172.0MB. Free memory was 103.8MB in the beginning and 121.3MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 13:05:22,812 INFO L158 Benchmark]: Witness Printer took 50.08ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 119.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 13:05:22,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.25ms. Allocated memory is still 172.0MB. Free memory was 143.1MB in the beginning and 125.2MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.33ms. Allocated memory is still 172.0MB. Free memory was 125.2MB in the beginning and 122.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.73ms. Allocated memory is still 172.0MB. Free memory was 122.7MB in the beginning and 121.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 359.37ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 103.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1435.43ms. Allocated memory is still 172.0MB. Free memory was 103.8MB in the beginning and 121.3MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 50.08ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 119.2MB 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 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -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, 471 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 471 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 237]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L79] int cleanupTimeShifts = 4; [L298] int pumpRunning = 0; [L299] int systemActive = 1; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L228] int splverifierCounter ; [L229] int tmp ; [L230] int tmp___0 ; [L231] int tmp___1 ; [L232] int tmp___2 ; [L235] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L237] COND TRUE 1 [L239] COND TRUE splverifierCounter < 4 [L245] tmp = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp)) [L255] tmp___0 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___0)) [L265] tmp___2 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___2) [L280] CALL timeShift() [L305] COND FALSE !(\read(pumpRunning)) [L312] COND TRUE \read(systemActive) [L314] CALL processEnvironment() [L334] int tmp ; [L337] COND FALSE !(\read(pumpRunning)) [L352] FCALL processEnvironment__wrappee__base() [L314] RET processEnvironment() [L320] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L320] RET __utac_acc__Specification4_spec__1() [L280] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 237]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L79] int cleanupTimeShifts = 4; [L298] int pumpRunning = 0; [L299] int systemActive = 1; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L708] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int retValue_acc ; [L161] int tmp ; [L165] FCALL select_helpers() [L166] FCALL select_features() [L167] CALL, EXPR valid_product() [L218] int retValue_acc ; [L221] retValue_acc = 1 [L222] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L167] RET, EXPR valid_product() [L167] tmp = valid_product() [L169] COND TRUE \read(tmp) [L171] FCALL setup() [L172] CALL runTest() [L151] CALL test() [L228] int splverifierCounter ; [L229] int tmp ; [L230] int tmp___0 ; [L231] int tmp___1 ; [L232] int tmp___2 ; [L235] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L237] COND TRUE 1 [L239] COND TRUE splverifierCounter < 4 [L245] tmp = __VERIFIER_nondet_int() [L247] COND FALSE !(\read(tmp)) [L255] tmp___0 = __VERIFIER_nondet_int() [L257] COND FALSE !(\read(tmp___0)) [L265] tmp___2 = __VERIFIER_nondet_int() [L267] COND TRUE \read(tmp___2) [L280] CALL timeShift() [L305] COND FALSE !(\read(pumpRunning)) [L312] COND TRUE \read(systemActive) [L314] CALL processEnvironment() [L334] int tmp ; [L337] COND FALSE !(\read(pumpRunning)) [L352] FCALL processEnvironment__wrappee__base() [L314] RET processEnvironment() [L320] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L320] RET __utac_acc__Specification4_spec__1() [L280] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 13:05:22,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cd4c66d-7a22-47f3-b2ca-ccce5b919259/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)