./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro --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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f --- 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-8393723 [2022-11-18 20:00:40,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:00:40,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:00:40,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:00:40,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:00:40,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:00:40,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:00:40,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:00:40,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:00:40,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:00:40,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:00:40,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:00:40,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:00:40,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:00:40,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:00:40,556 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:00:40,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:00:40,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:00:40,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:00:40,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:00:40,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:00:40,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:00:40,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:00:40,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:00:40,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:00:40,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:00:40,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:00:40,573 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:00:40,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:00:40,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:00:40,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:00:40,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:00:40,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:00:40,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:00:40,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:00:40,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:00:40,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:00:40,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:00:40,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:00:40,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:00:40,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:00:40,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:00:40,609 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:00:40,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:00:40,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:00:40,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:00:40,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:00:40,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:00:40,612 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:00:40,612 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:00:40,612 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:00:40,613 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:00:40,613 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:00:40,613 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:00:40,613 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:00:40,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:00:40,614 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:00:40,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:00:40,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:00:40,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:00:40,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:00:40,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:00:40,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:00:40,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:00:40,615 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:00:40,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:00:40,616 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:00:40,616 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:00:40,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:00:40,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:00:40,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:00:40,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:00:40,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:00:40,618 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:00:40,619 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_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2022-11-18 20:00:40,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:00:40,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:00:40,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:00:40,881 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:00:40,882 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:00:40,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-18 20:00:40,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/data/dcdd1087d/2a509837818e4f97b9e27820a9d40278/FLAG1bcd7f9d0 [2022-11-18 20:00:41,470 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:00:41,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2022-11-18 20:00:41,482 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/data/dcdd1087d/2a509837818e4f97b9e27820a9d40278/FLAG1bcd7f9d0 [2022-11-18 20:00:41,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/data/dcdd1087d/2a509837818e4f97b9e27820a9d40278 [2022-11-18 20:00:41,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:00:41,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:00:41,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:00:41,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:00:41,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:00:41,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:00:41" (1/1) ... [2022-11-18 20:00:41,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74765a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:41, skipping insertion in model container [2022-11-18 20:00:41,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:00:41" (1/1) ... [2022-11-18 20:00:41,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:00:41,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:00:42,207 WARN L234 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_4bf4c4a2-54ad-4461-b64e-b60184696a57/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-18 20:00:42,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:00:42,236 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:00:42,321 WARN L234 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_4bf4c4a2-54ad-4461-b64e-b60184696a57/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2022-11-18 20:00:42,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:00:42,350 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:00:42,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42 WrapperNode [2022-11-18 20:00:42,351 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:00:42,352 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:00:42,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:00:42,352 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:00:42,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,403 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 47, calls inlined = 40, statements flattened = 265 [2022-11-18 20:00:42,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:00:42,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:00:42,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:00:42,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:00:42,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,450 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:00:42,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:00:42,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:00:42,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:00:42,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (1/1) ... [2022-11-18 20:00:42,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:00:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:00:42,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:00:42,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:00:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:00:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:00:42,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:00:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:00:42,610 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:00:42,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:00:42,878 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:00:42,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:00:42,886 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:00:42,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:00:42 BoogieIcfgContainer [2022-11-18 20:00:42,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:00:42,890 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:00:42,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:00:42,895 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:00:42,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:00:42,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:00:41" (1/3) ... [2022-11-18 20:00:42,897 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e697f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:00:42, skipping insertion in model container [2022-11-18 20:00:42,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:00:42,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:00:42" (2/3) ... [2022-11-18 20:00:42,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7e697f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:00:42, skipping insertion in model container [2022-11-18 20:00:42,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:00:42,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:00:42" (3/3) ... [2022-11-18 20:00:42,911 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2022-11-18 20:00:42,971 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:00:42,971 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:00:42,971 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:00:42,971 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:00:42,972 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:00:42,972 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:00:42,972 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:00:42,972 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:00:42,977 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 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) [2022-11-18 20:00:43,001 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-11-18 20:00:43,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:00:43,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:00:43,009 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:43,010 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] [2022-11-18 20:00:43,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:00:43,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 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) [2022-11-18 20:00:43,018 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-11-18 20:00:43,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:00:43,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:00:43,019 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:43,020 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] [2022-11-18 20:00:43,025 INFO L748 eck$LassoCheckResult]: Stem: 59#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);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 75#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 68#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; 24#L83true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 55#L892true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 31#L868true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 36#L182true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 82#L604-2true [2022-11-18 20:00:43,039 INFO L750 eck$LassoCheckResult]: Loop: 82#L604-2true assume !false; 72#L605true assume test_~splverifierCounter~0#1 < 4; 16#L606true test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 41#L614true assume !(0 != test_~tmp~4#1); 47#L614-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 48#L624true assume !(0 != test_~tmp___0~1#1); 7#L624-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 26#L634true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 51#L642true assume 0 != test_~tmp___1~0#1; 38#L642-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 23#L751true __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 28#L192true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 19#L674true assume !(0 != ~pumpRunning~0); 58#L674-2true assume !(0 != ~systemActive~0); 52#L681-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 73#L169true __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 30#L203true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 43#L203-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 39#L691true assume { :end_inline_timeShift } true; 82#L604-2true [2022-11-18 20:00:43,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:43,046 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-18 20:00:43,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:43,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112394995] [2022-11-18 20:00:43,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:43,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:43,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:43,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:00:43,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:43,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1534970164, now seen corresponding path program 1 times [2022-11-18 20:00:43,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:43,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496341584] [2022-11-18 20:00:43,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:43,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:43,237 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:43,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:00:43,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:43,252 INFO L85 PathProgramCache]: Analyzing trace with hash -105221821, now seen corresponding path program 1 times [2022-11-18 20:00:43,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:43,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124659941] [2022-11-18 20:00:43,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:00:43,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:00:43,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124659941] [2022-11-18 20:00:43,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124659941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:43,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:43,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:00:43,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315711009] [2022-11-18 20:00:43,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:43,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:00:43,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:00:43,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:00:43,882 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 85 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-11-18 20:00:43,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:43,950 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2022-11-18 20:00:43,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 102 transitions. [2022-11-18 20:00:43,956 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-11-18 20:00:43,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 73 states and 92 transitions. [2022-11-18 20:00:43,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 73 [2022-11-18 20:00:43,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 73 [2022-11-18 20:00:43,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 92 transitions. [2022-11-18 20:00:43,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:00:43,964 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-11-18 20:00:43,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 92 transitions. [2022-11-18 20:00:43,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2022-11-18 20:00:43,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 72 states have internal predecessors, (92), 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) [2022-11-18 20:00:43,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 92 transitions. [2022-11-18 20:00:43,996 INFO L240 hiAutomatonCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-11-18 20:00:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:00:44,001 INFO L428 stractBuchiCegarLoop]: Abstraction has 73 states and 92 transitions. [2022-11-18 20:00:44,006 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:00:44,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 73 states and 92 transitions. [2022-11-18 20:00:44,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-11-18 20:00:44,009 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:00:44,009 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:00:44,010 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:44,010 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] [2022-11-18 20:00:44,010 INFO L748 eck$LassoCheckResult]: Stem: 252#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);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 242#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 243#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 257#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; 220#L83 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 221#L892 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 227#L868 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 228#L182 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 236#L604-2 [2022-11-18 20:00:44,010 INFO L750 eck$LassoCheckResult]: Loop: 236#L604-2 assume !false; 258#L605 assume test_~splverifierCounter~0#1 < 4; 208#L606 test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 209#L614 assume !(0 != test_~tmp~4#1); 241#L614-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 245#L624 assume !(0 != test_~tmp___0~1#1); 195#L624-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 196#L634 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 215#L796 assume { :end_inline_startSystem } true; 216#L642-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 218#L751 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 219#L192 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 212#L674 assume !(0 != ~pumpRunning~0); 214#L674-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 229#L698 assume { :end_inline_processEnvironment } true; 230#L681-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 247#L169 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 226#L203 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 194#L203-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 237#L691 assume { :end_inline_timeShift } true; 236#L604-2 [2022-11-18 20:00:44,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:44,011 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-18 20:00:44,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:44,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079095932] [2022-11-18 20:00:44,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:44,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:00:44,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:44,056 INFO L85 PathProgramCache]: Analyzing trace with hash 816664526, now seen corresponding path program 1 times [2022-11-18 20:00:44,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:44,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308861376] [2022-11-18 20:00:44,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:44,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,066 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:00:44,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:44,074 INFO L85 PathProgramCache]: Analyzing trace with hash -2105777097, now seen corresponding path program 1 times [2022-11-18 20:00:44,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:44,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971213478] [2022-11-18 20:00:44,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:44,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:00:44,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:00:44,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:00:44,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971213478] [2022-11-18 20:00:44,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971213478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:00:44,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:00:44,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:00:44,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605285363] [2022-11-18 20:00:44,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:00:44,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:00:44,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:00:44,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:00:44,354 INFO L87 Difference]: Start difference. First operand 73 states and 92 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-11-18 20:00:44,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:00:44,528 INFO L93 Difference]: Finished difference Result 190 states and 240 transitions. [2022-11-18 20:00:44,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 240 transitions. [2022-11-18 20:00:44,533 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 119 [2022-11-18 20:00:44,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 190 states and 240 transitions. [2022-11-18 20:00:44,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 190 [2022-11-18 20:00:44,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 190 [2022-11-18 20:00:44,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 190 states and 240 transitions. [2022-11-18 20:00:44,537 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:00:44,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 190 states and 240 transitions. [2022-11-18 20:00:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states and 240 transitions. [2022-11-18 20:00:44,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 137. [2022-11-18 20:00:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.2481751824817517) internal successors, (171), 136 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:00:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 171 transitions. [2022-11-18 20:00:44,556 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 171 transitions. [2022-11-18 20:00:44,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:00:44,563 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 171 transitions. [2022-11-18 20:00:44,564 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:00:44,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 171 transitions. [2022-11-18 20:00:44,573 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 97 [2022-11-18 20:00:44,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:00:44,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:00:44,574 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:00:44,576 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] [2022-11-18 20:00:44,576 INFO L748 eck$LassoCheckResult]: Stem: 537#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);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 526#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 527#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 544#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; 500#L83 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 501#L892 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 508#L868 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 509#L182 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 517#L604-2 [2022-11-18 20:00:44,576 INFO L750 eck$LassoCheckResult]: Loop: 517#L604-2 assume !false; 546#L605 assume test_~splverifierCounter~0#1 < 4; 487#L606 test_~tmp~4#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 488#L614 assume !(0 != test_~tmp~4#1); 524#L614-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 601#L624 assume !(0 != test_~tmp___0~1#1); 599#L624-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 598#L634 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 596#L796 assume { :end_inline_startSystem } true; 595#L642-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret10#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 594#L751 __utac_acc__Specification5_spec__2_#t~ret10#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret10#1;havoc __utac_acc__Specification5_spec__2_#t~ret10#1; 588#L192 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 565#L674 assume !(0 != ~pumpRunning~0); 564#L674-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 563#L698 assume { :end_inline_processEnvironment } true; 562#L681-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret11#1, __utac_acc__Specification5_spec__3_#t~ret12#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 548#L169 __utac_acc__Specification5_spec__3_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret11#1;havoc __utac_acc__Specification5_spec__3_#t~ret11#1; 506#L203 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 507#L751-1 __utac_acc__Specification5_spec__3_#t~ret12#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret12#1;havoc __utac_acc__Specification5_spec__3_#t~ret12#1; 560#L207 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 558#L203-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 519#L691 assume { :end_inline_timeShift } true; 517#L604-2 [2022-11-18 20:00:44,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-18 20:00:44,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:44,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385287135] [2022-11-18 20:00:44,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:00:44,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:44,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1183505207, now seen corresponding path program 1 times [2022-11-18 20:00:44,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:44,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439912948] [2022-11-18 20:00:44,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:44,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:00:44,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:00:44,646 INFO L85 PathProgramCache]: Analyzing trace with hash -741293326, now seen corresponding path program 1 times [2022-11-18 20:00:44,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:00:44,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055356005] [2022-11-18 20:00:44,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:00:44,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:00:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:44,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:00:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:45,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:00:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:00:45,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:00:45 BoogieIcfgContainer [2022-11-18 20:00:45,919 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:00:45,919 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:00:45,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:00:45,920 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:00:45,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:00:42" (3/4) ... [2022-11-18 20:00:45,923 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-18 20:00:45,995 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:00:45,995 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:00:45,996 INFO L158 Benchmark]: Toolchain (without parser) took 4223.56ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 94.6MB in the beginning and 82.7MB in the end (delta: 11.9MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-11-18 20:00:45,997 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:00:45,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.59ms. Allocated memory is still 125.8MB. Free memory was 94.6MB in the beginning and 94.3MB in the end (delta: 324.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:00:45,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.21ms. Allocated memory is still 125.8MB. Free memory was 94.3MB in the beginning and 91.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:00:46,009 INFO L158 Benchmark]: Boogie Preprocessor took 45.08ms. Allocated memory is still 125.8MB. Free memory was 91.8MB in the beginning and 90.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:00:46,009 INFO L158 Benchmark]: RCFGBuilder took 434.62ms. Allocated memory is still 125.8MB. Free memory was 90.3MB in the beginning and 74.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:00:46,011 INFO L158 Benchmark]: BuchiAutomizer took 3028.77ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 74.5MB in the beginning and 85.8MB in the end (delta: -11.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2022-11-18 20:00:46,011 INFO L158 Benchmark]: Witness Printer took 76.32ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 82.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:00:46,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.59ms. Allocated memory is still 125.8MB. Free memory was 94.6MB in the beginning and 94.3MB in the end (delta: 324.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.21ms. Allocated memory is still 125.8MB. Free memory was 94.3MB in the beginning and 91.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.08ms. Allocated memory is still 125.8MB. Free memory was 91.8MB in the beginning and 90.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.62ms. Allocated memory is still 125.8MB. Free memory was 90.3MB in the beginning and 74.5MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3028.77ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 74.5MB in the beginning and 85.8MB in the end (delta: -11.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Witness Printer took 76.32ms. Allocated memory is still 151.0MB. Free memory was 85.8MB in the beginning and 82.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 137 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 53 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 634 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 634 mSDsluCounter, 468 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 210 mSDtfsCounter, 73 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: 604]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L394] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L95] int methaneLevelCritical = 0; [L664] int pumpRunning = 0; [L94] int waterLevel = 1; [L665] int systemActive = 1; [L176] int switchedOnBeforeTS ; [L809] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] int retValue_acc ; [L884] int tmp ; [L888] FCALL select_helpers() [L889] FCALL select_features() [L890] 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] [L890] RET, EXPR valid_product() [L890] tmp = valid_product() [L892] COND TRUE \read(tmp) [L894] FCALL setup() [L895] CALL runTest() [L876] CALL __utac_acc__Specification5_spec__1() [L181] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] RET __utac_acc__Specification5_spec__1() [L877] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L604] COND TRUE 1 [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L636] CALL startSystem() [L795] systemActive = 1 [L636] RET startSystem() [L649] CALL timeShift() [L672] CALL __utac_acc__Specification5_spec__2() [L190] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L190] RET, EXPR isPumpRunning() [L190] switchedOnBeforeTS = isPumpRunning() [L672] RET __utac_acc__Specification5_spec__2() [L674] COND FALSE !(\read(pumpRunning)) [L681] COND TRUE \read(systemActive) [L683] FCALL processEnvironment() [L689] CALL __utac_acc__Specification5_spec__3() [L196] int tmp ; [L197] int tmp___0 ; [L201] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L201] RET, EXPR getWaterLevel() [L201] tmp = getWaterLevel() [L203] COND TRUE tmp != 2 [L205] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L205] RET, EXPR isPumpRunning() [L205] tmp___0 = isPumpRunning() [L207] COND FALSE !(\read(tmp___0)) [L689] RET __utac_acc__Specification5_spec__3() [L649] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 604]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L394] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L95] int methaneLevelCritical = 0; [L664] int pumpRunning = 0; [L94] int waterLevel = 1; [L665] int systemActive = 1; [L176] int switchedOnBeforeTS ; [L809] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L883] int retValue_acc ; [L884] int tmp ; [L888] FCALL select_helpers() [L889] FCALL select_features() [L890] 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] [L890] RET, EXPR valid_product() [L890] tmp = valid_product() [L892] COND TRUE \read(tmp) [L894] FCALL setup() [L895] CALL runTest() [L876] CALL __utac_acc__Specification5_spec__1() [L181] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L876] RET __utac_acc__Specification5_spec__1() [L877] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L604] COND TRUE 1 [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L636] CALL startSystem() [L795] systemActive = 1 [L636] RET startSystem() [L649] CALL timeShift() [L672] CALL __utac_acc__Specification5_spec__2() [L190] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L190] RET, EXPR isPumpRunning() [L190] switchedOnBeforeTS = isPumpRunning() [L672] RET __utac_acc__Specification5_spec__2() [L674] COND FALSE !(\read(pumpRunning)) [L681] COND TRUE \read(systemActive) [L683] FCALL processEnvironment() [L689] CALL __utac_acc__Specification5_spec__3() [L196] int tmp ; [L197] int tmp___0 ; [L201] CALL, EXPR getWaterLevel() [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L201] RET, EXPR getWaterLevel() [L201] tmp = getWaterLevel() [L203] COND TRUE tmp != 2 [L205] CALL, EXPR isPumpRunning() [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L205] RET, EXPR isPumpRunning() [L205] tmp___0 = isPumpRunning() [L207] COND FALSE !(\read(tmp___0)) [L689] RET __utac_acc__Specification5_spec__3() [L649] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:00:46,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bf4c4a2-54ad-4461-b64e-b60184696a57/bin/uautomizer-TMbwUNV5ro/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)