./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 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_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS --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 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 --- 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-4e7fbc6 [2022-11-23 03:56:17,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:56:17,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:56:17,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:56:17,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:56:17,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:56:17,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:56:17,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:56:17,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:56:17,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:56:17,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:56:17,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:56:17,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:56:17,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:56:17,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:56:17,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:56:17,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:56:17,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:56:17,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:56:17,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:56:17,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:56:17,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:56:17,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:56:17,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:56:17,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:56:17,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:56:17,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:56:17,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:56:17,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:56:17,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:56:17,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:56:17,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:56:17,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:56:17,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:56:17,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:56:17,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:56:17,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:56:17,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:56:17,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:56:17,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:56:17,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:56:17,371 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 03:56:17,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:56:17,399 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:56:17,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:56:17,400 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:56:17,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:56:17,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:56:17,401 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:56:17,401 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:56:17,402 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:56:17,402 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:56:17,411 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:56:17,411 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:56:17,411 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:56:17,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:56:17,412 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:56:17,412 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:56:17,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:56:17,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:56:17,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:56:17,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:56:17,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:56:17,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:56:17,413 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:56:17,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:56:17,414 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:56:17,414 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:56:17,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:56:17,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:56:17,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:56:17,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:56:17,416 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:56:17,418 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:56:17,418 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_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50277b719902a0a4cf598e31b0e94effb6529c58c9c4208972d6754269dc97f6 [2022-11-23 03:56:17,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:56:17,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:56:17,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:56:17,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:56:17,787 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:56:17,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2022-11-23 03:56:20,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:56:21,040 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:56:21,041 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c [2022-11-23 03:56:21,057 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/data/4c2078e0a/98727cddf00841889692066b7d39c660/FLAG26e83286c [2022-11-23 03:56:21,076 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/data/4c2078e0a/98727cddf00841889692066b7d39c660 [2022-11-23 03:56:21,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:56:21,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:56:21,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:56:21,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:56:21,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:56:21,094 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51001dc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21, skipping insertion in model container [2022-11-23 03:56:21,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:56:21,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:56:21,476 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_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2022-11-23 03:56:21,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:56:21,493 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:56:21,637 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_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/sv-benchmarks/c/product-lines/minepump_spec5_product01.cil.c[17147,17160] [2022-11-23 03:56:21,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:56:21,669 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:56:21,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21 WrapperNode [2022-11-23 03:56:21,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:56:21,671 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:56:21,671 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:56:21,671 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:56:21,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,741 INFO L138 Inliner]: procedures = 51, calls = 91, calls flagged for inlining = 44, calls inlined = 39, statements flattened = 262 [2022-11-23 03:56:21,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:56:21,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:56:21,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:56:21,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:56:21,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:56:21,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:56:21,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:56:21,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:56:21,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (1/1) ... [2022-11-23 03:56:21,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:56:21,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:56:21,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:56:21,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:56:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:56:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:56:21,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:56:21,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:56:21,944 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:56:21,947 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:56:22,288 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:56:22,311 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:56:22,311 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:56:22,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:22 BoogieIcfgContainer [2022-11-23 03:56:22,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:56:22,315 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:56:22,315 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:56:22,319 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:56:22,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:56:22,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:56:21" (1/3) ... [2022-11-23 03:56:22,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@237237fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:56:22, skipping insertion in model container [2022-11-23 03:56:22,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:56:22,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:21" (2/3) ... [2022-11-23 03:56:22,335 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@237237fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:56:22, skipping insertion in model container [2022-11-23 03:56:22,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:56:22,336 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:22" (3/3) ... [2022-11-23 03:56:22,337 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product01.cil.c [2022-11-23 03:56:22,415 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:56:22,415 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:56:22,415 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:56:22,415 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:56:22,416 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:56:22,416 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:56:22,416 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:56:22,416 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:56:22,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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) [2022-11-23 03:56:22,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2022-11-23 03:56:22,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:56:22,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:56:22,459 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:56:22,460 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:56:22,460 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:56:22,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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) [2022-11-23 03:56:22,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 52 [2022-11-23 03:56:22,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:56:22,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:56:22,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:56:22,478 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:56:22,484 INFO L748 eck$LassoCheckResult]: Stem: 62#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#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#L262true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 26#L255true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 13#L270true main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 18#L226true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 10#L197true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 72#L649true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#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; 49#L702-2true [2022-11-23 03:56:22,486 INFO L750 eck$LassoCheckResult]: Loop: 49#L702-2true assume !false; 19#L703true assume test_~splverifierCounter~0#1 < 4; 67#L704true test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 78#L712true assume !(0 != test_~tmp~5#1); 70#L712-2true test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 73#L722true assume !(0 != test_~tmp___0~1#1); 80#L722-2true test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 33#L732true assume 0 != test_~tmp___2~0#1; 58#L738-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 65#L828true __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 35#L659true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 56#L769true assume !(0 != ~pumpRunning~0); 22#L769-2true assume !(0 != ~systemActive~0); 7#L776-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 52#L131true __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 59#L670true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 23#L670-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 24#L786true assume { :end_inline_timeShift } true; 49#L702-2true [2022-11-23 03:56:22,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:22,500 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-23 03:56:22,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:22,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319519982] [2022-11-23 03:56:22,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:22,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:22,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:22,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:56:22,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash -638817652, now seen corresponding path program 1 times [2022-11-23 03:56:22,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:22,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45012066] [2022-11-23 03:56:22,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:22,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:22,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:56:22,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:22,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1978170059, now seen corresponding path program 1 times [2022-11-23 03:56:22,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:22,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227642445] [2022-11-23 03:56:22,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:22,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:56:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:56:23,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:56:23,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227642445] [2022-11-23 03:56:23,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227642445] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:56:23,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:56:23,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:56:23,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081641773] [2022-11-23 03:56:23,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:56:23,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:56:23,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:56:23,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:56:23,459 INFO L87 Difference]: Start difference. First operand has 85 states, 84 states have (on average 1.369047619047619) internal successors, (115), 84 states have internal predecessors, (115), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-11-23 03:56:23,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:56:23,560 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2022-11-23 03:56:23,562 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 101 transitions. [2022-11-23 03:56:23,570 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2022-11-23 03:56:23,574 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 72 states and 91 transitions. [2022-11-23 03:56:23,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2022-11-23 03:56:23,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2022-11-23 03:56:23,577 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 91 transitions. [2022-11-23 03:56:23,578 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:56:23,578 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-23 03:56:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 91 transitions. [2022-11-23 03:56:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-23 03:56:23,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 71 states have internal predecessors, (91), 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) [2022-11-23 03:56:23,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions. [2022-11-23 03:56:23,623 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-23 03:56:23,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 03:56:23,633 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 91 transitions. [2022-11-23 03:56:23,633 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:56:23,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 91 transitions. [2022-11-23 03:56:23,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 48 [2022-11-23 03:56:23,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:56:23,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:56:23,642 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:56:23,642 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] [2022-11-23 03:56:23,643 INFO L748 eck$LassoCheckResult]: Stem: 253#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#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; 244#L262 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 223#L255 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 206#L270 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 207#L226 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 198#L197 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 199#L649 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#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; 218#L702-2 [2022-11-23 03:56:23,643 INFO L750 eck$LassoCheckResult]: Loop: 218#L702-2 assume !false; 211#L703 assume test_~splverifierCounter~0#1 < 4; 212#L704 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 254#L712 assume !(0 != test_~tmp~5#1); 245#L712-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 255#L722 assume !(0 != test_~tmp___0~1#1); 256#L722-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 232#L732 assume 0 != test_~tmp___2~0#1; 233#L738-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 251#L828 __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 236#L659 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 237#L769 assume !(0 != ~pumpRunning~0); 214#L769-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 215#L793 assume { :end_inline_processEnvironment } true; 192#L776-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 193#L131 __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 247#L670 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 216#L670-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 217#L786 assume { :end_inline_timeShift } true; 218#L702-2 [2022-11-23 03:56:23,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:23,644 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-23 03:56:23,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:23,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184271607] [2022-11-23 03:56:23,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:23,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:23,681 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:23,690 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:56:23,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:23,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1995577109, now seen corresponding path program 1 times [2022-11-23 03:56:23,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:23,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247639192] [2022-11-23 03:56:23,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:23,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:23,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:23,705 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:56:23,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:23,706 INFO L85 PathProgramCache]: Analyzing trace with hash -565828766, now seen corresponding path program 1 times [2022-11-23 03:56:23,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:23,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884406423] [2022-11-23 03:56:23,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:23,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:56:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:56:23,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:56:23,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884406423] [2022-11-23 03:56:23,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884406423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:56:23,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:56:23,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 03:56:23,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38482200] [2022-11-23 03:56:23,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:56:23,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:56:23,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:56:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:56:23,975 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. cyclomatic complexity: 21 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 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) [2022-11-23 03:56:24,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:56:24,136 INFO L93 Difference]: Finished difference Result 186 states and 236 transitions. [2022-11-23 03:56:24,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 186 states and 236 transitions. [2022-11-23 03:56:24,141 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2022-11-23 03:56:24,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 186 states to 186 states and 236 transitions. [2022-11-23 03:56:24,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 186 [2022-11-23 03:56:24,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 186 [2022-11-23 03:56:24,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 186 states and 236 transitions. [2022-11-23 03:56:24,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:56:24,157 INFO L218 hiAutomatonCegarLoop]: Abstraction has 186 states and 236 transitions. [2022-11-23 03:56:24,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states and 236 transitions. [2022-11-23 03:56:24,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 135. [2022-11-23 03:56:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 135 states have (on average 1.2518518518518518) internal successors, (169), 134 states have internal predecessors, (169), 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) [2022-11-23 03:56:24,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2022-11-23 03:56:24,172 INFO L240 hiAutomatonCegarLoop]: Abstraction has 135 states and 169 transitions. [2022-11-23 03:56:24,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:56:24,174 INFO L428 stractBuchiCegarLoop]: Abstraction has 135 states and 169 transitions. [2022-11-23 03:56:24,174 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 03:56:24,174 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 135 states and 169 transitions. [2022-11-23 03:56:24,176 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2022-11-23 03:56:24,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:56:24,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:56:24,178 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:56:24,179 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] [2022-11-23 03:56:24,179 INFO L748 eck$LassoCheckResult]: Stem: 532#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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 520#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#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; 521#L262 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 496#L255 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 476#L270 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 477#L226 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 471#L197 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 472#L649 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#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; 493#L702-2 [2022-11-23 03:56:24,180 INFO L750 eck$LassoCheckResult]: Loop: 493#L702-2 assume !false; 483#L703 assume test_~splverifierCounter~0#1 < 4; 484#L704 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 556#L712 assume !(0 != test_~tmp~5#1); 557#L712-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 572#L722 assume !(0 != test_~tmp___0~1#1); 538#L722-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 508#L732 assume 0 != test_~tmp___2~0#1; 509#L738-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret34#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 529#L828 __utac_acc__Specification5_spec__2_#t~ret34#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret34#1;havoc __utac_acc__Specification5_spec__2_#t~ret34#1; 512#L659 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 513#L769 assume !(0 != ~pumpRunning~0); 488#L769-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 489#L793 assume { :end_inline_processEnvironment } true; 467#L776-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret35#1, __utac_acc__Specification5_spec__3_#t~ret36#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 468#L131 __utac_acc__Specification5_spec__3_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret35#1;havoc __utac_acc__Specification5_spec__3_#t~ret35#1; 525#L670 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~9#1;havoc isPumpRunning_~retValue_acc~9#1;isPumpRunning_~retValue_acc~9#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~9#1; 530#L828-1 __utac_acc__Specification5_spec__3_#t~ret36#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret36#1;havoc __utac_acc__Specification5_spec__3_#t~ret36#1; 497#L674 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 498#L670-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 492#L786 assume { :end_inline_timeShift } true; 493#L702-2 [2022-11-23 03:56:24,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:24,180 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-23 03:56:24,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:24,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412810674] [2022-11-23 03:56:24,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:24,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:24,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:24,215 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:56:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:24,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2081679974, now seen corresponding path program 1 times [2022-11-23 03:56:24,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:24,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026052288] [2022-11-23 03:56:24,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:24,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:24,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:24,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:56:24,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:56:24,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1680302877, now seen corresponding path program 1 times [2022-11-23 03:56:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:56:24,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318309503] [2022-11-23 03:56:24,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:56:24,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:56:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:24,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:24,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:56:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:25,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:56:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:56:25,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:56:25 BoogieIcfgContainer [2022-11-23 03:56:25,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:56:25,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:56:25,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:56:25,475 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:56:25,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:22" (3/4) ... [2022-11-23 03:56:25,478 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-23 03:56:25,524 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:56:25,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:56:25,525 INFO L158 Benchmark]: Toolchain (without parser) took 4440.95ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 125.1MB in the beginning and 111.7MB in the end (delta: 13.4MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-11-23 03:56:25,525 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 172.0MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:56:25,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.38ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 107.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:56:25,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.07ms. Allocated memory is still 172.0MB. Free memory was 107.1MB in the beginning and 104.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:56:25,527 INFO L158 Benchmark]: Boogie Preprocessor took 29.14ms. Allocated memory is still 172.0MB. Free memory was 104.7MB in the beginning and 102.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:56:25,527 INFO L158 Benchmark]: RCFGBuilder took 541.59ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 87.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:56:25,527 INFO L158 Benchmark]: BuchiAutomizer took 3159.98ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 87.3MB in the beginning and 114.9MB in the end (delta: -27.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-23 03:56:25,528 INFO L158 Benchmark]: Witness Printer took 49.15ms. Allocated memory is still 209.7MB. Free memory was 114.9MB in the beginning and 111.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:56:25,530 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 172.0MB. Free memory is still 141.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.38ms. Allocated memory is still 172.0MB. Free memory was 125.1MB in the beginning and 107.1MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.07ms. Allocated memory is still 172.0MB. Free memory was 107.1MB in the beginning and 104.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.14ms. Allocated memory is still 172.0MB. Free memory was 104.7MB in the beginning and 102.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 541.59ms. Allocated memory is still 172.0MB. Free memory was 102.9MB in the beginning and 87.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3159.98ms. Allocated memory was 172.0MB in the beginning and 209.7MB in the end (delta: 37.7MB). Free memory was 87.3MB in the beginning and 114.9MB in the end (delta: -27.5MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 49.15ms. Allocated memory is still 209.7MB. Free memory was 114.9MB in the beginning and 111.7MB 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 135 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 51 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, 631 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 631 mSDsluCounter, 463 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 256 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 73 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 207 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: 702]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 702]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L136] int cleanupTimeShifts = 4; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L643] int switchedOnBeforeTS ; [L759] int pumpRunning = 0; [L760] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L217] int retValue_acc ; [L218] int tmp ; [L222] FCALL select_helpers() [L223] FCALL select_features() [L224] CALL, EXPR valid_product() [L266] int retValue_acc ; [L269] retValue_acc = 1 [L270] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L224] RET, EXPR valid_product() [L224] tmp = valid_product() [L226] COND TRUE \read(tmp) [L228] FCALL setup() [L229] CALL runTest() [L207] CALL __utac_acc__Specification5_spec__1() [L648] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L207] RET __utac_acc__Specification5_spec__1() [L208] CALL test() [L693] int splverifierCounter ; [L694] int tmp ; [L695] int tmp___0 ; [L696] int tmp___1 ; [L697] int tmp___2 ; [L700] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L702] COND TRUE 1 [L704] COND TRUE splverifierCounter < 4 [L710] tmp = __VERIFIER_nondet_int() [L712] COND FALSE !(\read(tmp)) [L720] tmp___0 = __VERIFIER_nondet_int() [L722] COND FALSE !(\read(tmp___0)) [L730] tmp___2 = __VERIFIER_nondet_int() [L732] COND TRUE \read(tmp___2) [L745] CALL timeShift() [L767] CALL __utac_acc__Specification5_spec__2() [L657] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L657] RET, EXPR isPumpRunning() [L657] switchedOnBeforeTS = isPumpRunning() [L767] RET __utac_acc__Specification5_spec__2() [L769] COND FALSE !(\read(pumpRunning)) [L776] COND TRUE \read(systemActive) [L778] FCALL processEnvironment() [L784] CALL __utac_acc__Specification5_spec__3() [L663] int tmp ; [L664] int tmp___0 ; [L668] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L668] RET, EXPR getWaterLevel() [L668] tmp = getWaterLevel() [L670] COND TRUE tmp != 2 [L672] CALL, EXPR isPumpRunning() [L824] int retValue_acc ; [L827] retValue_acc = pumpRunning [L828] return (retValue_acc); [L672] RET, EXPR isPumpRunning() [L672] tmp___0 = isPumpRunning() [L674] COND FALSE !(\read(tmp___0)) [L784] RET __utac_acc__Specification5_spec__3() [L745] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-23 03:56:25,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae15aee8-847a-4cb6-ace0-59ec1138ccbf/bin/uautomizer-QkZJyEgLgS/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)