./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:17:30,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:17:30,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:17:30,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:17:30,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:17:30,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:17:30,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:17:30,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:17:30,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:17:30,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:17:30,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:17:30,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:17:30,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:17:30,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:17:30,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:17:30,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:17:30,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:17:30,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:17:30,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:17:30,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:17:30,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:17:30,385 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:17:30,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:17:30,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:17:30,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:17:30,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:17:30,398 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:17:30,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:17:30,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:17:30,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:17:30,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:17:30,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:17:30,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:17:30,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:17:30,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:17:30,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:17:30,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:17:30,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:17:30,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:17:30,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:17:30,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:17:30,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:17:30,459 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:17:30,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:17:30,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:17:30,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:17:30,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:17:30,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:17:30,463 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:17:30,463 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:17:30,463 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:17:30,464 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:17:30,465 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:17:30,465 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:17:30,465 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:17:30,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:17:30,466 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:17:30,466 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:17:30,466 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:17:30,467 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:17:30,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:17:30,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:17:30,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:17:30,468 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:17:30,468 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:17:30,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:17:30,470 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:17:30,470 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:17:30,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:17:30,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:17:30,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:17:30,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:17:30,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:17:30,473 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:17:30,474 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_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0ab174a42b7a796a7aa603adc547f34b3ce1c3e6aa217a93d91e742ec00f62 [2022-11-16 12:17:30,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:17:30,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:17:30,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:17:30,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:17:30,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:17:30,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2022-11-16 12:17:30,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/data/4601a7552/4493d66c49614d9589f9967d47326ed6/FLAG48c07a9a9 [2022-11-16 12:17:31,554 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:17:31,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c [2022-11-16 12:17:31,565 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/data/4601a7552/4493d66c49614d9589f9967d47326ed6/FLAG48c07a9a9 [2022-11-16 12:17:31,838 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/data/4601a7552/4493d66c49614d9589f9967d47326ed6 [2022-11-16 12:17:31,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:17:31,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:17:31,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:17:31,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:17:31,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:17:31,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:31" (1/1) ... [2022-11-16 12:17:31,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a19482d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:31, skipping insertion in model container [2022-11-16 12:17:31,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:17:31" (1/1) ... [2022-11-16 12:17:31,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:17:31,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:17:32,314 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c[16202,16215] [2022-11-16 12:17:32,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:17:32,340 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:17:32,393 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/sv-benchmarks/c/product-lines/minepump_spec3_product11.cil.c[16202,16215] [2022-11-16 12:17:32,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:17:32,415 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:17:32,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32 WrapperNode [2022-11-16 12:17:32,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:17:32,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:17:32,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:17:32,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:17:32,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,465 INFO L138 Inliner]: procedures = 51, calls = 149, calls flagged for inlining = 46, calls inlined = 37, statements flattened = 318 [2022-11-16 12:17:32,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:17:32,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:17:32,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:17:32,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:17:32,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,502 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:17:32,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:17:32,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:17:32,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:17:32,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (1/1) ... [2022-11-16 12:17:32,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:17:32,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:17:32,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:17:32,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:17:32,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:17:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:17:32,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:17:32,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:17:32,714 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:17:32,716 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:17:33,085 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:17:33,092 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:17:33,093 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:17:33,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:33 BoogieIcfgContainer [2022-11-16 12:17:33,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:17:33,096 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:17:33,096 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:17:33,110 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:17:33,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:17:33,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:17:31" (1/3) ... [2022-11-16 12:17:33,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f2d98dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:17:33, skipping insertion in model container [2022-11-16 12:17:33,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:17:33,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:17:32" (2/3) ... [2022-11-16 12:17:33,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f2d98dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:17:33, skipping insertion in model container [2022-11-16 12:17:33,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:17:33,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:33" (3/3) ... [2022-11-16 12:17:33,116 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product11.cil.c [2022-11-16 12:17:33,194 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:17:33,194 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:17:33,194 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:17:33,194 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:17:33,194 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:17:33,195 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:17:33,195 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:17:33,195 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:17:33,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,233 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2022-11-16 12:17:33,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:33,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:33,241 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,241 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,241 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:17:33,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:33,255 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 54 [2022-11-16 12:17:33,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:33,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:33,256 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,257 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:33,262 INFO L748 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 62#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#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; 76#L214true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 11#L207true 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; 35#L222true main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 49#L178true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 32#L151true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 6#L748-2true [2022-11-16 12:17:33,263 INFO L750 eck$LassoCheckResult]: Loop: 6#L748-2true assume !false; 8#L749true assume test_~splverifierCounter~0#1 < 4; 60#L750true test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 50#L758true assume !(0 != test_~tmp~6#1); 14#L758-2true test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 16#L768true assume !(0 != test_~tmp___0~1#1); 19#L768-2true test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 29#L778true assume 0 != test_~tmp___2~0#1; 81#L784-2true assume { :begin_inline_timeShift } true; 78#L605true assume !(0 != ~pumpRunning~0); 28#L605-2true assume !(0 != ~systemActive~0); 64#L612-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 53#L857true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 9#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 79#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 48#L622true assume { :end_inline_timeShift } true; 6#L748-2true [2022-11-16 12:17:33,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:33,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 12:17:33,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:33,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738611991] [2022-11-16 12:17:33,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:33,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:33,448 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:33,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:33,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:33,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1802248790, now seen corresponding path program 1 times [2022-11-16 12:17:33,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:33,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809749293] [2022-11-16 12:17:33,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:33,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:33,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:33,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:33,612 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:33,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:33,623 INFO L85 PathProgramCache]: Analyzing trace with hash -1137299430, now seen corresponding path program 1 times [2022-11-16 12:17:33,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:33,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699121032] [2022-11-16 12:17:33,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:33,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:33,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:33,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699121032] [2022-11-16 12:17:33,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699121032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:33,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:33,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:17:33,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783047819] [2022-11-16 12:17:33,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:34,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:34,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:17:34,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:17:34,087 INFO L87 Difference]: Start difference. First operand has 85 states, 84 states have (on average 1.380952380952381) internal successors, (116), 84 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:17:34,236 INFO L93 Difference]: Finished difference Result 227 states and 290 transitions. [2022-11-16 12:17:34,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 227 states and 290 transitions. [2022-11-16 12:17:34,241 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 143 [2022-11-16 12:17:34,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 227 states to 197 states and 260 transitions. [2022-11-16 12:17:34,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 197 [2022-11-16 12:17:34,249 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 197 [2022-11-16 12:17:34,250 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 260 transitions. [2022-11-16 12:17:34,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:34,251 INFO L218 hiAutomatonCegarLoop]: Abstraction has 197 states and 260 transitions. [2022-11-16 12:17:34,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 260 transitions. [2022-11-16 12:17:34,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 130. [2022-11-16 12:17:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 130 states have (on average 1.323076923076923) internal successors, (172), 129 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 172 transitions. [2022-11-16 12:17:34,292 INFO L240 hiAutomatonCegarLoop]: Abstraction has 130 states and 172 transitions. [2022-11-16 12:17:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:17:34,304 INFO L428 stractBuchiCegarLoop]: Abstraction has 130 states and 172 transitions. [2022-11-16 12:17:34,304 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:17:34,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 130 states and 172 transitions. [2022-11-16 12:17:34,306 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2022-11-16 12:17:34,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:34,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:34,307 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:34,307 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:34,307 INFO L748 eck$LassoCheckResult]: Stem: 400#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#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; 397#L214 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 346#L207 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; 347#L222 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 379#L178 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 377#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 337#L748-2 [2022-11-16 12:17:34,308 INFO L750 eck$LassoCheckResult]: Loop: 337#L748-2 assume !false; 338#L749 assume test_~splverifierCounter~0#1 < 4; 339#L750 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 391#L758 assume !(0 != test_~tmp~6#1); 352#L758-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 353#L768 assume !(0 != test_~tmp___0~1#1); 356#L768-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 360#L778 assume 0 != test_~tmp___2~0#1; 373#L784-2 assume { :begin_inline_timeShift } true; 402#L605 assume !(0 != ~pumpRunning~0); 370#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 371#L629 assume { :end_inline_processEnvironment } true; 398#L612-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 393#L857 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 341#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 343#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 390#L622 assume { :end_inline_timeShift } true; 337#L748-2 [2022-11-16 12:17:34,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 12:17:34,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311962556] [2022-11-16 12:17:34,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:34,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,333 INFO L85 PathProgramCache]: Analyzing trace with hash 663614206, now seen corresponding path program 1 times [2022-11-16 12:17:34,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910940845] [2022-11-16 12:17:34,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,343 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:34,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,344 INFO L85 PathProgramCache]: Analyzing trace with hash -268067398, now seen corresponding path program 1 times [2022-11-16 12:17:34,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105229365] [2022-11-16 12:17:34,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:17:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:17:34,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:17:34,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105229365] [2022-11-16 12:17:34,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105229365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:17:34,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:17:34,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:17:34,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140418257] [2022-11-16 12:17:34,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:17:34,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:17:34,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:17:34,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:17:34,641 INFO L87 Difference]: Start difference. First operand 130 states and 172 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:17:34,758 INFO L93 Difference]: Finished difference Result 429 states and 571 transitions. [2022-11-16 12:17:34,758 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 571 transitions. [2022-11-16 12:17:34,762 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 331 [2022-11-16 12:17:34,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 429 states and 571 transitions. [2022-11-16 12:17:34,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 429 [2022-11-16 12:17:34,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 429 [2022-11-16 12:17:34,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 429 states and 571 transitions. [2022-11-16 12:17:34,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:17:34,769 INFO L218 hiAutomatonCegarLoop]: Abstraction has 429 states and 571 transitions. [2022-11-16 12:17:34,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states and 571 transitions. [2022-11-16 12:17:34,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 253. [2022-11-16 12:17:34,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 253 states have (on average 1.300395256916996) internal successors, (329), 252 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:17:34,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 329 transitions. [2022-11-16 12:17:34,789 INFO L240 hiAutomatonCegarLoop]: Abstraction has 253 states and 329 transitions. [2022-11-16 12:17:34,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:17:34,790 INFO L428 stractBuchiCegarLoop]: Abstraction has 253 states and 329 transitions. [2022-11-16 12:17:34,790 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:17:34,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 253 states and 329 transitions. [2022-11-16 12:17:34,792 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 188 [2022-11-16 12:17:34,793 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:17:34,793 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:17:34,793 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:34,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:17:34,794 INFO L748 eck$LassoCheckResult]: Stem: 989#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 982#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret7#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; 983#L214 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 922#L207 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; 923#L222 main_#t~ret7#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1; 957#L178 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 955#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 914#L748-2 [2022-11-16 12:17:34,794 INFO L750 eck$LassoCheckResult]: Loop: 914#L748-2 assume !false; 915#L749 assume test_~splverifierCounter~0#1 < 4; 916#L750 test_~tmp~6#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 972#L758 assume !(0 != test_~tmp~6#1); 928#L758-2 test_~tmp___0~1#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 929#L768 assume !(0 != test_~tmp___0~1#1); 932#L768-2 test_~tmp___2~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 936#L778 assume 0 != test_~tmp___2~0#1; 949#L784-2 assume { :begin_inline_timeShift } true; 994#L605 assume !(0 != ~pumpRunning~0); 946#L605-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 947#L629 assume { :end_inline_processEnvironment } true; 984#L612-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 985#L857 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1001#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1072#L889 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1067#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 995#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 971#L622 assume { :end_inline_timeShift } true; 914#L748-2 [2022-11-16 12:17:34,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-16 12:17:34,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850472817] [2022-11-16 12:17:34,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,805 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:34,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,817 INFO L85 PathProgramCache]: Analyzing trace with hash 2079342897, now seen corresponding path program 1 times [2022-11-16 12:17:34,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523325487] [2022-11-16 12:17:34,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,828 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:34,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:17:34,828 INFO L85 PathProgramCache]: Analyzing trace with hash 86519021, now seen corresponding path program 1 times [2022-11-16 12:17:34,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:17:34,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008177186] [2022-11-16 12:17:34,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:17:34,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:17:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,841 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:34,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:17:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:38,899 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:17:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:17:38,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:17:38 BoogieIcfgContainer [2022-11-16 12:17:38,973 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:17:38,974 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:17:38,974 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:17:38,975 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:17:38,975 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:17:33" (3/4) ... [2022-11-16 12:17:38,978 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:17:39,048 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:17:39,048 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:17:39,049 INFO L158 Benchmark]: Toolchain (without parser) took 7203.56ms. Allocated memory was 113.2MB in the beginning and 188.7MB in the end (delta: 75.5MB). Free memory was 70.2MB in the beginning and 112.1MB in the end (delta: -41.9MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2022-11-16 12:17:39,049 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:17:39,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.50ms. Allocated memory is still 113.2MB. Free memory was 70.0MB in the beginning and 79.8MB in the end (delta: -9.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-16 12:17:39,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.93ms. Allocated memory is still 113.2MB. Free memory was 79.8MB in the beginning and 77.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:39,050 INFO L158 Benchmark]: Boogie Preprocessor took 39.90ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:39,051 INFO L158 Benchmark]: RCFGBuilder took 587.98ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 57.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:17:39,051 INFO L158 Benchmark]: BuchiAutomizer took 5877.47ms. Allocated memory was 113.2MB in the beginning and 188.7MB in the end (delta: 75.5MB). Free memory was 57.3MB in the beginning and 114.2MB in the end (delta: -56.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:39,052 INFO L158 Benchmark]: Witness Printer took 74.02ms. Allocated memory is still 188.7MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:17:39,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.50ms. Allocated memory is still 113.2MB. Free memory was 70.0MB in the beginning and 79.8MB in the end (delta: -9.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.93ms. Allocated memory is still 113.2MB. Free memory was 79.8MB in the beginning and 77.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.90ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 587.98ms. Allocated memory is still 113.2MB. Free memory was 75.3MB in the beginning and 57.3MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5877.47ms. Allocated memory was 113.2MB in the beginning and 188.7MB in the end (delta: 75.5MB). Free memory was 57.3MB in the beginning and 114.2MB in the end (delta: -56.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Witness Printer took 74.02ms. Allocated memory is still 188.7MB. Free memory was 114.2MB in the beginning and 112.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 253 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 243 StatesRemovedByMinimization, 2 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, 780 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 780 mSDsluCounter, 1169 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 936 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 233 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 748]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int methaneLevelCritical = 0; [L598] int pumpRunning = 0; [L814] int waterLevel = 1; [L599] int systemActive = 1; [L88] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] int retValue_acc ; [L170] int tmp ; [L174] FCALL select_helpers() [L175] FCALL select_features() [L176] 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] [L176] RET, EXPR valid_product() [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) [L180] FCALL setup() [L181] CALL runTest() [L160] CALL test() [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L748] COND TRUE 1 [L750] COND TRUE splverifierCounter < 4 [L756] tmp = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp)) [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) [L793] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L620] RET __utac_acc__Specification3_spec__1() [L793] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 748]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L396] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int methaneLevelCritical = 0; [L598] int pumpRunning = 0; [L814] int waterLevel = 1; [L599] int systemActive = 1; [L88] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L169] int retValue_acc ; [L170] int tmp ; [L174] FCALL select_helpers() [L175] FCALL select_features() [L176] 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] [L176] RET, EXPR valid_product() [L176] tmp = valid_product() [L178] COND TRUE \read(tmp) [L180] FCALL setup() [L181] CALL runTest() [L160] CALL test() [L739] int splverifierCounter ; [L740] int tmp ; [L741] int tmp___0 ; [L742] int tmp___1 ; [L743] int tmp___2 ; [L746] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L748] COND TRUE 1 [L750] COND TRUE splverifierCounter < 4 [L756] tmp = __VERIFIER_nondet_int() [L758] COND FALSE !(\read(tmp)) [L766] tmp___0 = __VERIFIER_nondet_int() [L768] COND FALSE !(\read(tmp___0)) [L776] tmp___2 = __VERIFIER_nondet_int() [L778] COND TRUE \read(tmp___2) [L793] CALL timeShift() [L605] COND FALSE !(\read(pumpRunning)) [L612] COND TRUE \read(systemActive) [L614] FCALL processEnvironment() [L620] CALL __utac_acc__Specification3_spec__1() [L55] int tmp ; [L56] int tmp___0 ; [L57] int tmp___1 ; [L61] CALL, EXPR isMethaneLevelCritical() [L853] int retValue_acc ; [L856] retValue_acc = methaneLevelCritical [L857] return (retValue_acc); [L61] RET, EXPR isMethaneLevelCritical() [L61] tmp = isMethaneLevelCritical() [L63] COND FALSE !(\read(tmp)) [L67] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] return (retValue_acc); [L67] RET, EXPR getWaterLevel() [L67] tmp___0 = getWaterLevel() [L69] COND FALSE !(tmp___0 == 2) [L620] RET __utac_acc__Specification3_spec__1() [L793] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:17:39,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4756c36-365b-4202-b667-3e90ba3fa5d2/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)