./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R --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 af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 --- 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-38b53e6 [2022-11-25 17:55:38,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:55:38,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:55:38,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:55:38,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:55:38,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:55:38,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:55:38,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:55:38,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:55:38,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:55:38,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:55:38,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:55:38,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:55:38,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:55:38,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:55:38,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:55:38,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:55:38,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:55:38,574 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:55:38,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:55:38,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:55:38,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:55:38,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:55:38,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:55:38,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:55:38,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:55:38,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:55:38,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:55:38,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:55:38,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:55:38,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:55:38,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:55:38,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:55:38,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:55:38,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:55:38,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:55:38,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:55:38,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:55:38,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:55:38,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:55:38,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:55:38,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:55:38,645 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:55:38,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:55:38,652 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:55:38,652 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:55:38,653 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:55:38,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:55:38,653 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:55:38,654 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:55:38,654 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:55:38,654 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:55:38,654 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:55:38,654 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:55:38,655 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:55:38,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:55:38,655 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:55:38,655 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:55:38,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:55:38,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:55:38,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:55:38,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:55:38,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:55:38,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:55:38,656 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:55:38,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:55:38,657 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:55:38,657 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:55:38,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:55:38,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:55:38,657 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:55:38,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:55:38,658 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:55:38,659 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:55:38,659 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_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af36d03ba4a1f12ddb625aab4b3f9906d028707aefb4e7150e31be2b1be8c075 [2022-11-25 17:55:38,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:55:38,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:55:38,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:55:38,957 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:55:38,959 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:55:38,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-11-25 17:55:42,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:55:42,833 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:55:42,836 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c [2022-11-25 17:55:42,851 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/data/8e7d333f2/2fea2df4741448aeaf7e3f2bff52098b/FLAG36ef54013 [2022-11-25 17:55:42,869 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/data/8e7d333f2/2fea2df4741448aeaf7e3f2bff52098b [2022-11-25 17:55:42,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:55:42,876 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:55:42,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:55:42,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:55:42,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:55:42,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:55:42" (1/1) ... [2022-11-25 17:55:42,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@297c5c52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:42, skipping insertion in model container [2022-11-25 17:55:42,884 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:55:42" (1/1) ... [2022-11-25 17:55:42,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:55:42,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:55:43,120 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_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-11-25 17:55:43,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:55:43,218 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:55:43,256 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_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/sv-benchmarks/c/product-lines/minepump_spec5_product32.cil.c[3438,3451] [2022-11-25 17:55:43,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:55:43,362 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:55:43,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43 WrapperNode [2022-11-25 17:55:43,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:55:43,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:55:43,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:55:43,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:55:43,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,433 INFO L138 Inliner]: procedures = 58, calls = 105, calls flagged for inlining = 58, calls inlined = 87, statements flattened = 551 [2022-11-25 17:55:43,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:55:43,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:55:43,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:55:43,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:55:43,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,512 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,514 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:55:43,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:55:43,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:55:43,519 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:55:43,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (1/1) ... [2022-11-25 17:55:43,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:55:43,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:55:43,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:55:43,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:55:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:55:43,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:55:43,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:55:43,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:55:43,676 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:55:43,679 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:55:44,192 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:55:44,200 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:55:44,202 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:55:44,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:55:44 BoogieIcfgContainer [2022-11-25 17:55:44,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:55:44,206 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:55:44,207 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:55:44,222 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:55:44,223 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:55:44,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:55:42" (1/3) ... [2022-11-25 17:55:44,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54ec85ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:55:44, skipping insertion in model container [2022-11-25 17:55:44,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:55:44,225 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:55:43" (2/3) ... [2022-11-25 17:55:44,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@54ec85ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:55:44, skipping insertion in model container [2022-11-25 17:55:44,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:55:44,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:55:44" (3/3) ... [2022-11-25 17:55:44,227 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product32.cil.c [2022-11-25 17:55:44,297 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:55:44,297 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:55:44,298 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:55:44,298 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:55:44,298 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:55:44,298 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:55:44,298 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:55:44,298 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:55:44,304 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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) [2022-11-25 17:55:44,329 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-11-25 17:55:44,329 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:55:44,329 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:55:44,336 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:55:44,336 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] [2022-11-25 17:55:44,336 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:55:44,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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) [2022-11-25 17:55:44,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-11-25 17:55:44,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:55:44,344 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:55:44,345 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:55:44,346 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] [2022-11-25 17:55:44,351 INFO L748 eck$LassoCheckResult]: Stem: 142#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 71#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 152#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21#L83true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 59#L177true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 95#L151true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 29#L508true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 120#L442-2true [2022-11-25 17:55:44,352 INFO L750 eck$LassoCheckResult]: Loop: 120#L442-2true assume !false; 70#L443true assume test_~splverifierCounter~0#1 < 4; 117#L444true test_~tmp~5#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 88#L452true assume !(0 != test_~tmp~5#1); 58#L452-2true test_~tmp___0~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 92#L462true assume !(0 != test_~tmp___0~1#1); 15#L462-2true test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 35#L472true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 131#L428true assume { :end_inline_startSystem } true; 53#L480-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 103#L349true __utac_acc__Specification5_spec__2_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23#1;havoc __utac_acc__Specification5_spec__2_#t~ret23#1; 9#L518true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 99#L221true assume !(0 != ~pumpRunning~0); 72#L221-2true assume !(0 != ~systemActive~0); 65#L228-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_#t~ret25#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 77#L992true __utac_acc__Specification5_spec__3_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 109#L529true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 163#L529-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 26#L238true assume { :end_inline_timeShift } true; 120#L442-2true [2022-11-25 17:55:44,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 17:55:44,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:44,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518026387] [2022-11-25 17:55:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:44,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:44,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:55:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:44,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:55:44,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:44,527 INFO L85 PathProgramCache]: Analyzing trace with hash -664512405, now seen corresponding path program 1 times [2022-11-25 17:55:44,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:44,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539133563] [2022-11-25 17:55:44,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:44,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:55:44,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:55:44,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539133563] [2022-11-25 17:55:44,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539133563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:55:44,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:55:44,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:55:44,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695975258] [2022-11-25 17:55:44,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:55:44,633 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:55:44,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:55:44,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:55:44,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:55:44,700 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:55:44,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:55:44,805 INFO L93 Difference]: Finished difference Result 314 states and 406 transitions. [2022-11-25 17:55:44,807 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 406 transitions. [2022-11-25 17:55:44,813 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 204 [2022-11-25 17:55:44,820 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 294 states and 385 transitions. [2022-11-25 17:55:44,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2022-11-25 17:55:44,822 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2022-11-25 17:55:44,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 385 transitions. [2022-11-25 17:55:44,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:55:44,825 INFO L218 hiAutomatonCegarLoop]: Abstraction has 294 states and 385 transitions. [2022-11-25 17:55:44,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 385 transitions. [2022-11-25 17:55:44,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2022-11-25 17:55:44,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 291 states have (on average 1.309278350515464) internal successors, (381), 290 states have internal predecessors, (381), 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) [2022-11-25 17:55:44,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 381 transitions. [2022-11-25 17:55:44,867 INFO L240 hiAutomatonCegarLoop]: Abstraction has 291 states and 381 transitions. [2022-11-25 17:55:44,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:55:44,872 INFO L428 stractBuchiCegarLoop]: Abstraction has 291 states and 381 transitions. [2022-11-25 17:55:44,872 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:55:44,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 381 transitions. [2022-11-25 17:55:44,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2022-11-25 17:55:44,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:55:44,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:55:44,877 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:55:44,877 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:55:44,877 INFO L748 eck$LassoCheckResult]: Stem: 650#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 561#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 562#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 601#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 525#L83 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 526#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 584#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 539#L508 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 540#L442-2 [2022-11-25 17:55:44,878 INFO L750 eck$LassoCheckResult]: Loop: 540#L442-2 assume !false; 669#L443 assume test_~splverifierCounter~0#1 < 4; 634#L444 test_~tmp~5#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 614#L452 assume !(0 != test_~tmp~5#1); 567#L452-2 test_~tmp___0~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 583#L462 assume !(0 != test_~tmp___0~1#1); 513#L462-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 514#L472 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 552#L428 assume { :end_inline_startSystem } true; 641#L480-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 701#L349 __utac_acc__Specification5_spec__2_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23#1;havoc __utac_acc__Specification5_spec__2_#t~ret23#1; 700#L518 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 698#L221 assume !(0 != ~pumpRunning~0); 695#L221-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 588#L279 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret6#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 589#L253-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 684#L245-3 assume { :end_inline_processEnvironment__wrappee__base } true; 648#L253-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 507#L279-1 assume { :end_inline_processEnvironment } true; 675#L228-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_#t~ret25#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 674#L992 __utac_acc__Specification5_spec__3_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 673#L529 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 671#L529-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 670#L238 assume { :end_inline_timeShift } true; 540#L442-2 [2022-11-25 17:55:44,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:44,879 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 17:55:44,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:44,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500700758] [2022-11-25 17:55:44,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:44,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:44,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:55:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:44,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:55:44,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:44,940 INFO L85 PathProgramCache]: Analyzing trace with hash -818157738, now seen corresponding path program 1 times [2022-11-25 17:55:44,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:44,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867235601] [2022-11-25 17:55:44,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:44,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:44,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:55:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:44,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:55:44,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1054302401, now seen corresponding path program 1 times [2022-11-25 17:55:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:44,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434262893] [2022-11-25 17:55:44,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:44,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:55:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:55:45,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:55:45,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434262893] [2022-11-25 17:55:45,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434262893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:55:45,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:55:45,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:55:45,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811967609] [2022-11-25 17:55:45,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:55:45,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:55:45,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:55:45,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:55:45,395 INFO L87 Difference]: Start difference. First operand 291 states and 381 transitions. cyclomatic complexity: 93 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-11-25 17:55:45,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:55:45,632 INFO L93 Difference]: Finished difference Result 1413 states and 1845 transitions. [2022-11-25 17:55:45,633 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1413 states and 1845 transitions. [2022-11-25 17:55:45,647 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 962 [2022-11-25 17:55:45,657 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1413 states to 1413 states and 1845 transitions. [2022-11-25 17:55:45,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1413 [2022-11-25 17:55:45,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1413 [2022-11-25 17:55:45,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1413 states and 1845 transitions. [2022-11-25 17:55:45,664 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:55:45,664 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1413 states and 1845 transitions. [2022-11-25 17:55:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states and 1845 transitions. [2022-11-25 17:55:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 568. [2022-11-25 17:55:45,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 568 states have (on average 1.295774647887324) internal successors, (736), 567 states have internal predecessors, (736), 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) [2022-11-25 17:55:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 736 transitions. [2022-11-25 17:55:45,701 INFO L240 hiAutomatonCegarLoop]: Abstraction has 568 states and 736 transitions. [2022-11-25 17:55:45,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:55:45,702 INFO L428 stractBuchiCegarLoop]: Abstraction has 568 states and 736 transitions. [2022-11-25 17:55:45,703 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 17:55:45,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 568 states and 736 transitions. [2022-11-25 17:55:45,706 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 398 [2022-11-25 17:55:45,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:55:45,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:55:45,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:55:45,732 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:55:45,733 INFO L748 eck$LassoCheckResult]: Stem: 2380#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);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2282#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 2283#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2328#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 2248#L83 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 2249#L177 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2309#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2262#L508 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2263#L442-2 [2022-11-25 17:55:45,733 INFO L750 eck$LassoCheckResult]: Loop: 2263#L442-2 assume !false; 2456#L443 assume test_~splverifierCounter~0#1 < 4; 2441#L444 test_~tmp~5#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 2423#L452 assume !(0 != test_~tmp~5#1); 2420#L452-2 test_~tmp___0~1#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 2415#L462 assume !(0 != test_~tmp___0~1#1); 2412#L462-2 test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 2410#L472 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2373#L428 assume { :end_inline_startSystem } true; 2303#L480-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret23#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2304#L349 __utac_acc__Specification5_spec__2_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret23#1;havoc __utac_acc__Specification5_spec__2_#t~ret23#1; 2223#L518 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2224#L221 assume !(0 != ~pumpRunning~0); 2329#L221-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret7#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 2314#L279 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret6#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 2315#L253-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2254#L245-3 assume { :end_inline_processEnvironment__wrappee__base } true; 2255#L253-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 2233#L279-1 assume { :end_inline_processEnvironment } true; 2319#L228-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_#t~ret25#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2320#L992 __utac_acc__Specification5_spec__3_#t~ret24#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 2359#L529 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~4#1;havoc isPumpRunning_~retValue_acc~4#1;isPumpRunning_~retValue_acc~4#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~4#1; 2360#L349-1 __utac_acc__Specification5_spec__3_#t~ret25#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret25#1;havoc __utac_acc__Specification5_spec__3_#t~ret25#1; 2460#L533 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 2458#L529-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2457#L238 assume { :end_inline_timeShift } true; 2263#L442-2 [2022-11-25 17:55:45,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-25 17:55:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:45,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781497440] [2022-11-25 17:55:45,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:45,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:45,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:55:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:45,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:55:45,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:45,761 INFO L85 PathProgramCache]: Analyzing trace with hash -289667663, now seen corresponding path program 1 times [2022-11-25 17:55:45,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:45,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372632559] [2022-11-25 17:55:45,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:45,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:45,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:55:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:45,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:55:45,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:55:45,776 INFO L85 PathProgramCache]: Analyzing trace with hash 408577882, now seen corresponding path program 1 times [2022-11-25 17:55:45,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:55:45,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97345687] [2022-11-25 17:55:45,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:55:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:55:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:45,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:55:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:45,802 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:55:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:47,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:55:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:55:47,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:55:47 BoogieIcfgContainer [2022-11-25 17:55:47,104 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:55:47,105 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:55:47,105 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:55:47,105 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:55:47,106 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:55:44" (3/4) ... [2022-11-25 17:55:47,108 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 17:55:47,163 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:55:47,163 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:55:47,164 INFO L158 Benchmark]: Toolchain (without parser) took 4288.19ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 142.5MB in the end (delta: 274.9kB). Peak memory consumption was 1.8MB. Max. memory is 16.1GB. [2022-11-25 17:55:47,164 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:55:47,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.19ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 123.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:55:47,165 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.19ms. Allocated memory is still 182.5MB. Free memory was 123.9MB in the beginning and 120.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:55:47,166 INFO L158 Benchmark]: Boogie Preprocessor took 78.18ms. Allocated memory is still 182.5MB. Free memory was 120.8MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:55:47,166 INFO L158 Benchmark]: RCFGBuilder took 686.69ms. Allocated memory is still 182.5MB. Free memory was 118.2MB in the beginning and 145.0MB in the end (delta: -26.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2022-11-25 17:55:47,167 INFO L158 Benchmark]: BuchiAutomizer took 2898.26ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 145.6MB in the end (delta: -642.9kB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2022-11-25 17:55:47,168 INFO L158 Benchmark]: Witness Printer took 58.19ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:55:47,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.19ms. Allocated memory is still 182.5MB. Free memory was 142.7MB in the beginning and 123.9MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.19ms. Allocated memory is still 182.5MB. Free memory was 123.9MB in the beginning and 120.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.18ms. Allocated memory is still 182.5MB. Free memory was 120.8MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 686.69ms. Allocated memory is still 182.5MB. Free memory was 118.2MB in the beginning and 145.0MB in the end (delta: -26.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2898.26ms. Allocated memory is still 182.5MB. Free memory was 145.0MB in the beginning and 145.6MB in the end (delta: -642.9kB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * Witness Printer took 58.19ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5 locations. The remainder module has 568 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 848 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, 1116 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1116 mSDsluCounter, 1814 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1304 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 510 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 442]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L209] int pumpRunning = 0; [L210] int systemActive = 1; [L502] int switchedOnBeforeTS ; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification5_spec__1() [L507] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification5_spec__1() [L162] CALL test() [L433] int splverifierCounter ; [L434] int tmp ; [L435] int tmp___0 ; [L436] int tmp___1 ; [L437] int tmp___2 ; [L440] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L442] COND TRUE 1 [L444] COND TRUE splverifierCounter < 4 [L450] tmp = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp)) [L460] tmp___0 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___0)) [L470] tmp___2 = __VERIFIER_nondet_int() [L472] COND TRUE \read(tmp___2) [L474] CALL startSystem() [L427] systemActive = 1 [L474] RET startSystem() [L489] CALL timeShift() [L219] CALL __utac_acc__Specification5_spec__2() [L516] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L516] RET, EXPR isPumpRunning() [L516] switchedOnBeforeTS = isPumpRunning() [L219] RET __utac_acc__Specification5_spec__2() [L221] COND FALSE !(\read(pumpRunning)) [L228] COND TRUE \read(systemActive) [L230] CALL processEnvironment() [L276] int tmp ; [L279] COND FALSE !(\read(pumpRunning)) [L294] CALL processEnvironment__wrappee__methaneQuery() [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L268] FCALL processEnvironment__wrappee__base() [L294] RET processEnvironment__wrappee__methaneQuery() [L230] RET processEnvironment() [L236] CALL __utac_acc__Specification5_spec__3() [L522] int tmp ; [L523] int tmp___0 ; [L527] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L527] RET, EXPR getWaterLevel() [L527] tmp = getWaterLevel() [L529] COND TRUE tmp != 2 [L531] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L531] RET, EXPR isPumpRunning() [L531] tmp___0 = isPumpRunning() [L533] COND FALSE !(\read(tmp___0)) [L236] RET __utac_acc__Specification5_spec__3() [L489] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 442]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L209] int pumpRunning = 0; [L210] int systemActive = 1; [L502] int switchedOnBeforeTS ; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L917] int waterLevel = 1; [L918] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L168] int retValue_acc ; [L169] int tmp ; [L173] FCALL select_helpers() [L174] FCALL select_features() [L175] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L175] RET, EXPR valid_product() [L175] tmp = valid_product() [L177] COND TRUE \read(tmp) [L179] FCALL setup() [L180] CALL runTest() [L161] CALL __utac_acc__Specification5_spec__1() [L507] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L161] RET __utac_acc__Specification5_spec__1() [L162] CALL test() [L433] int splverifierCounter ; [L434] int tmp ; [L435] int tmp___0 ; [L436] int tmp___1 ; [L437] int tmp___2 ; [L440] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L442] COND TRUE 1 [L444] COND TRUE splverifierCounter < 4 [L450] tmp = __VERIFIER_nondet_int() [L452] COND FALSE !(\read(tmp)) [L460] tmp___0 = __VERIFIER_nondet_int() [L462] COND FALSE !(\read(tmp___0)) [L470] tmp___2 = __VERIFIER_nondet_int() [L472] COND TRUE \read(tmp___2) [L474] CALL startSystem() [L427] systemActive = 1 [L474] RET startSystem() [L489] CALL timeShift() [L219] CALL __utac_acc__Specification5_spec__2() [L516] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L516] RET, EXPR isPumpRunning() [L516] switchedOnBeforeTS = isPumpRunning() [L219] RET __utac_acc__Specification5_spec__2() [L221] COND FALSE !(\read(pumpRunning)) [L228] COND TRUE \read(systemActive) [L230] CALL processEnvironment() [L276] int tmp ; [L279] COND FALSE !(\read(pumpRunning)) [L294] CALL processEnvironment__wrappee__methaneQuery() [L250] int tmp ; [L253] COND FALSE !(\read(pumpRunning)) [L268] FCALL processEnvironment__wrappee__base() [L294] RET processEnvironment__wrappee__methaneQuery() [L230] RET processEnvironment() [L236] CALL __utac_acc__Specification5_spec__3() [L522] int tmp ; [L523] int tmp___0 ; [L527] CALL, EXPR getWaterLevel() [L988] int retValue_acc ; [L991] retValue_acc = waterLevel [L992] return (retValue_acc); [L527] RET, EXPR getWaterLevel() [L527] tmp = getWaterLevel() [L529] COND TRUE tmp != 2 [L531] CALL, EXPR isPumpRunning() [L345] int retValue_acc ; [L348] retValue_acc = pumpRunning [L349] return (retValue_acc); [L531] RET, EXPR isPumpRunning() [L531] tmp___0 = isPumpRunning() [L533] COND FALSE !(\read(tmp___0)) [L236] RET __utac_acc__Specification5_spec__3() [L489] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:55:47,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64cfa63e-7c2c-41d9-9b3b-63fd6866d894/bin/uautomizer-ZsLfNo2U6R/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)