./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:20:58,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:20:58,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:20:58,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:20:58,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:20:58,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:20:58,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:20:58,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:20:58,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:20:58,666 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:20:58,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:20:58,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:20:58,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:20:58,671 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:20:58,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:20:58,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:20:58,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:20:58,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:20:58,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:20:58,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:20:58,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:20:58,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:20:58,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:20:58,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:20:58,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:20:58,693 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:20:58,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:20:58,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:20:58,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:20:58,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:20:58,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:20:58,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:20:58,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:20:58,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:20:58,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:20:58,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:20:58,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:20:58,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:20:58,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:20:58,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:20:58,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:20:58,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:20:58,735 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:20:58,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:20:58,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:20:58,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:20:58,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:20:58,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:20:58,738 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:20:58,738 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:20:58,739 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:20:58,739 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:20:58,739 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:20:58,740 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:20:58,740 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:20:58,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:20:58,741 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:20:58,741 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:20:58,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:20:58,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:20:58,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:20:58,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:20:58,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:20:58,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:20:58,743 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:20:58,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:20:58,744 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:20:58,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:20:58,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:20:58,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:20:58,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:20:58,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:20:58,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:20:58,747 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:20:58,747 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_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5df7e7a530538a677becf014bfb990c6b0570c5e1058d85d7e78cec25f53253 [2022-11-25 17:20:59,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:20:59,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:20:59,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:20:59,120 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:20:59,121 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:20:59,122 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2022-11-25 17:21:02,319 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:21:02,594 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:21:02,594 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c [2022-11-25 17:21:02,606 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/data/3cb3b9da4/23ea831164214520a4770dd055d63e88/FLAG69245c10d [2022-11-25 17:21:02,622 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/data/3cb3b9da4/23ea831164214520a4770dd055d63e88 [2022-11-25 17:21:02,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:21:02,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:21:02,628 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:21:02,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:21:02,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:21:02,634 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:02" (1/1) ... [2022-11-25 17:21:02,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@755ba2c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:02, skipping insertion in model container [2022-11-25 17:21:02,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:21:02" (1/1) ... [2022-11-25 17:21:02,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:21:02,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:21:02,993 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_e005c22e-b242-4871-ac6f-d233e91c34be/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2022-11-25 17:21:03,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:21:03,023 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:21:03,099 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_e005c22e-b242-4871-ac6f-d233e91c34be/sv-benchmarks/c/product-lines/minepump_spec2_product58.cil.c[19170,19183] [2022-11-25 17:21:03,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:21:03,121 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:21:03,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03 WrapperNode [2022-11-25 17:21:03,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:21:03,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:21:03,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:21:03,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:21:03,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,201 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 55, calls inlined = 97, statements flattened = 688 [2022-11-25 17:21:03,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:21:03,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:21:03,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:21:03,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:21:03,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,269 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:21:03,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:21:03,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:21:03,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:21:03,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (1/1) ... [2022-11-25 17:21:03,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:21:03,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:21:03,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:21:03,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:21:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:21:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:21:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:21:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:21:03,514 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:21:03,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:21:04,039 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:21:04,048 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:21:04,048 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:21:04,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:04 BoogieIcfgContainer [2022-11-25 17:21:04,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:21:04,052 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:21:04,052 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:21:04,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:21:04,057 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:21:04,057 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:21:02" (1/3) ... [2022-11-25 17:21:04,058 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e102e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:21:04, skipping insertion in model container [2022-11-25 17:21:04,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:21:04,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:21:03" (2/3) ... [2022-11-25 17:21:04,059 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e102e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:21:04, skipping insertion in model container [2022-11-25 17:21:04,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:21:04,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:04" (3/3) ... [2022-11-25 17:21:04,061 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product58.cil.c [2022-11-25 17:21:04,177 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:21:04,178 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:21:04,178 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:21:04,178 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:21:04,178 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:21:04,178 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:21:04,178 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:21:04,179 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:21:04,191 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.368421052631579) internal successors, (260), 190 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:21:04,240 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2022-11-25 17:21:04,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:04,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:04,250 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:04,251 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:04,251 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:21:04,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 191 states, 190 states have (on average 1.368421052631579) internal successors, (260), 190 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:21:04,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2022-11-25 17:21:04,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:04,271 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:04,272 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:04,272 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:04,278 INFO L748 eck$LassoCheckResult]: Stem: 170#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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 75#L890true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#L883true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 129#L898true main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 159#L986true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 36#L962true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 4#L832true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 61#L540-2true [2022-11-25 17:21:04,279 INFO L750 eck$LassoCheckResult]: Loop: 61#L540-2true assume !false; 118#L541true assume test_~splverifierCounter~0#1 < 4; 11#L542true test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 189#L550true assume !(0 != test_~tmp~3#1); 23#L550-2true test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 29#L560true assume !(0 != test_~tmp___0~0#1); 140#L560-2true test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 53#L570true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 69#L578true assume 0 != test_~tmp___1~0#1; 172#L578-2true assume { :begin_inline_timeShift } true; 117#L609true assume !(0 != ~pumpRunning~0); 187#L609-2true assume !(0 != ~systemActive~0); 133#L616-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 123#L101-2true __utac_acc__Specification2_spec__2_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret50#1;havoc __utac_acc__Specification2_spec__2_#t~ret50#1; 107#L843true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 38#L843-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 101#L626true assume { :end_inline_timeShift } true; 61#L540-2true [2022-11-25 17:21:04,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:04,285 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 17:21:04,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:04,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594414639] [2022-11-25 17:21:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:04,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:04,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:04,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:04,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:04,497 INFO L85 PathProgramCache]: Analyzing trace with hash -580592854, now seen corresponding path program 1 times [2022-11-25 17:21:04,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:04,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058484648] [2022-11-25 17:21:04,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:04,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:04,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:04,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:04,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:04,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:04,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1316534431, now seen corresponding path program 1 times [2022-11-25 17:21:04,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:04,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779099478] [2022-11-25 17:21:04,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:04,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:04,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:04,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:04,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:04,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779099478] [2022-11-25 17:21:04,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779099478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:04,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:04,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:21:04,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471488223] [2022-11-25 17:21:04,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:04,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:05,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:21:05,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:21:05,040 INFO L87 Difference]: Start difference. First operand has 191 states, 190 states have (on average 1.368421052631579) internal successors, (260), 190 states have internal predecessors, (260), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:21:05,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:05,175 INFO L93 Difference]: Finished difference Result 188 states and 246 transitions. [2022-11-25 17:21:05,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 246 transitions. [2022-11-25 17:21:05,182 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2022-11-25 17:21:05,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 178 states and 236 transitions. [2022-11-25 17:21:05,189 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 178 [2022-11-25 17:21:05,190 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 178 [2022-11-25 17:21:05,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 178 states and 236 transitions. [2022-11-25 17:21:05,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:21:05,192 INFO L218 hiAutomatonCegarLoop]: Abstraction has 178 states and 236 transitions. [2022-11-25 17:21:05,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states and 236 transitions. [2022-11-25 17:21:05,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2022-11-25 17:21:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 178 states have (on average 1.3258426966292134) internal successors, (236), 177 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:21:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 236 transitions. [2022-11-25 17:21:05,230 INFO L240 hiAutomatonCegarLoop]: Abstraction has 178 states and 236 transitions. [2022-11-25 17:21:05,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:21:05,236 INFO L428 stractBuchiCegarLoop]: Abstraction has 178 states and 236 transitions. [2022-11-25 17:21:05,236 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:21:05,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 178 states and 236 transitions. [2022-11-25 17:21:05,238 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 119 [2022-11-25 17:21:05,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:05,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:05,240 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:05,240 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] [2022-11-25 17:21:05,240 INFO L748 eck$LassoCheckResult]: Stem: 572#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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 491#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 492#L890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 475#L883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 476#L898 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 561#L986 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 462#L962 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 401#L832 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 402#L540-2 [2022-11-25 17:21:05,241 INFO L750 eck$LassoCheckResult]: Loop: 402#L540-2 assume !false; 505#L541 assume test_~splverifierCounter~0#1 < 4; 413#L542 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 414#L550 assume !(0 != test_~tmp~3#1); 440#L550-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 441#L560 assume !(0 != test_~tmp___0~0#1); 431#L560-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 488#L570 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 489#L821 assume { :end_inline_startSystem } true; 511#L578-2 assume { :begin_inline_timeShift } true; 553#L609 assume !(0 != ~pumpRunning~0); 554#L609-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 481#L667 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 483#L641-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 442#L633-3 assume { :end_inline_processEnvironment__wrappee__base } true; 443#L641-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 523#L667-1 assume { :end_inline_processEnvironment } true; 564#L616-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 556#L101-2 __utac_acc__Specification2_spec__2_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret50#1;havoc __utac_acc__Specification2_spec__2_#t~ret50#1; 545#L843 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 463#L843-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 464#L626 assume { :end_inline_timeShift } true; 402#L540-2 [2022-11-25 17:21:05,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:05,242 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 17:21:05,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:05,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006276339] [2022-11-25 17:21:05,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:05,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,254 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,264 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash 627122298, now seen corresponding path program 1 times [2022-11-25 17:21:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:05,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520384791] [2022-11-25 17:21:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:05,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:21:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:21:05,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:21:05,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520384791] [2022-11-25 17:21:05,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520384791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:21:05,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:21:05,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:21:05,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619692972] [2022-11-25 17:21:05,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:21:05,292 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:21:05,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:21:05,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:21:05,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:21:05,293 INFO L87 Difference]: Start difference. First operand 178 states and 236 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:21:05,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:21:05,369 INFO L93 Difference]: Finished difference Result 243 states and 311 transitions. [2022-11-25 17:21:05,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 243 states and 311 transitions. [2022-11-25 17:21:05,372 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2022-11-25 17:21:05,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 243 states to 243 states and 311 transitions. [2022-11-25 17:21:05,375 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 243 [2022-11-25 17:21:05,375 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 243 [2022-11-25 17:21:05,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 243 states and 311 transitions. [2022-11-25 17:21:05,377 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:21:05,377 INFO L218 hiAutomatonCegarLoop]: Abstraction has 243 states and 311 transitions. [2022-11-25 17:21:05,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states and 311 transitions. [2022-11-25 17:21:05,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2022-11-25 17:21:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 243 states have (on average 1.2798353909465021) internal successors, (311), 242 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:21:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 311 transitions. [2022-11-25 17:21:05,389 INFO L240 hiAutomatonCegarLoop]: Abstraction has 243 states and 311 transitions. [2022-11-25 17:21:05,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:21:05,390 INFO L428 stractBuchiCegarLoop]: Abstraction has 243 states and 311 transitions. [2022-11-25 17:21:05,390 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 17:21:05,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 243 states and 311 transitions. [2022-11-25 17:21:05,392 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 168 [2022-11-25 17:21:05,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:21:05,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:21:05,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:05,393 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:21:05,394 INFO L748 eck$LassoCheckResult]: Stem: 1010#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;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 914#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~13#1, main_~tmp~10#1;havoc main_~retValue_acc~13#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 915#L890 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 898#L883 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 899#L898 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 994#L986 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 884#L962 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 826#L832 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet32#1, test_#t~nondet33#1, test_#t~nondet34#1, test_#t~nondet35#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 827#L540-2 [2022-11-25 17:21:05,394 INFO L750 eck$LassoCheckResult]: Loop: 827#L540-2 assume !false; 928#L541 assume test_~splverifierCounter~0#1 < 4; 838#L542 test_~tmp~3#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1; 839#L550 assume !(0 != test_~tmp~3#1); 866#L550-2 test_~tmp___0~0#1 := test_#t~nondet33#1;havoc test_#t~nondet33#1; 867#L560 assume !(0 != test_~tmp___0~0#1); 854#L560-2 test_~tmp___2~0#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 911#L570 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 912#L821 assume { :end_inline_startSystem } true; 935#L578-2 assume { :begin_inline_timeShift } true; 984#L609 assume !(0 != ~pumpRunning~0); 985#L609-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 905#L667 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1, processEnvironment__wrappee__highWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4#1; 906#L641-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1003#L141-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 872#L146-1 isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 873#L787-3 assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~1#1 := 0; 929#L787-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 883#L793-1 processEnvironment__wrappee__highWaterSensor_#t~ret36#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4#1 := processEnvironment__wrappee__highWaterSensor_#t~ret36#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret36#1; 845#L645-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 847#L633-2 assume { :end_inline_processEnvironment__wrappee__base } true; 950#L641-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 951#L667-1 assume { :end_inline_processEnvironment } true; 997#L616-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 988#L101-2 __utac_acc__Specification2_spec__2_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret50#1;havoc __utac_acc__Specification2_spec__2_#t~ret50#1; 976#L843 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 887#L843-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 888#L626 assume { :end_inline_timeShift } true; 827#L540-2 [2022-11-25 17:21:05,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:05,395 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-25 17:21:05,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:05,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835562423] [2022-11-25 17:21:05,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:05,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:05,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1949532366, now seen corresponding path program 1 times [2022-11-25 17:21:05,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:05,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894641177] [2022-11-25 17:21:05,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,424 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:05,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:05,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:21:05,434 INFO L85 PathProgramCache]: Analyzing trace with hash -950461797, now seen corresponding path program 1 times [2022-11-25 17:21:05,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:21:05,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892178991] [2022-11-25 17:21:05,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:21:05,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:21:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:05,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:21:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:06,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:21:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:21:06,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:21:06 BoogieIcfgContainer [2022-11-25 17:21:06,920 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:21:06,921 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:21:06,921 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:21:06,921 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:21:06,922 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:21:04" (3/4) ... [2022-11-25 17:21:06,925 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 17:21:06,992 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:21:06,992 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:21:06,993 INFO L158 Benchmark]: Toolchain (without parser) took 4366.28ms. Allocated memory is still 195.0MB. Free memory was 153.9MB in the beginning and 71.2MB in the end (delta: 82.7MB). Peak memory consumption was 83.2MB. Max. memory is 16.1GB. [2022-11-25 17:21:06,993 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:21:06,994 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.40ms. Allocated memory is still 195.0MB. Free memory was 153.4MB in the beginning and 134.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:21:06,994 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.35ms. Allocated memory is still 195.0MB. Free memory was 134.4MB in the beginning and 130.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:21:06,994 INFO L158 Benchmark]: Boogie Preprocessor took 80.05ms. Allocated memory is still 195.0MB. Free memory was 130.8MB in the beginning and 128.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:21:06,995 INFO L158 Benchmark]: RCFGBuilder took 761.80ms. Allocated memory is still 195.0MB. Free memory was 128.2MB in the beginning and 152.6MB in the end (delta: -24.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-11-25 17:21:06,995 INFO L158 Benchmark]: BuchiAutomizer took 2868.47ms. Allocated memory is still 195.0MB. Free memory was 152.6MB in the beginning and 74.3MB in the end (delta: 78.2MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. [2022-11-25 17:21:06,996 INFO L158 Benchmark]: Witness Printer took 71.62ms. Allocated memory is still 195.0MB. Free memory was 74.3MB in the beginning and 71.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:21:06,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.40ms. Allocated memory is still 195.0MB. Free memory was 153.4MB in the beginning and 134.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.35ms. Allocated memory is still 195.0MB. Free memory was 134.4MB in the beginning and 130.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.05ms. Allocated memory is still 195.0MB. Free memory was 130.8MB in the beginning and 128.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.80ms. Allocated memory is still 195.0MB. Free memory was 128.2MB in the beginning and 152.6MB in the end (delta: -24.4MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2868.47ms. Allocated memory is still 195.0MB. Free memory was 152.6MB in the beginning and 74.3MB in the end (delta: 78.2MB). Peak memory consumption was 78.2MB. Max. memory is 16.1GB. * Witness Printer took 71.62ms. Allocated memory is still 195.0MB. Free memory was 74.3MB in the beginning and 71.2MB 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 243 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 894 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 894 mSDsluCounter, 574 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 112 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 462 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 540]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L330] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L601] int pumpRunning = 0; [L602] int systemActive = 1; [L826] int methAndRunningLastTime ; [L903] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L977] int retValue_acc ; [L978] int tmp ; [L982] FCALL select_helpers() [L983] FCALL select_features() [L984] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L984] RET, EXPR valid_product() [L984] tmp = valid_product() [L986] COND TRUE \read(tmp) [L988] FCALL setup() [L989] CALL runTest() [L970] CALL __utac_acc__Specification2_spec__1() [L831] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L970] RET __utac_acc__Specification2_spec__1() [L971] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND TRUE \read(tmp___2) [L572] CALL startSystem() [L820] systemActive = 1 [L572] RET startSystem() [L585] CALL timeShift() [L609] COND FALSE !(\read(pumpRunning)) [L616] COND TRUE \read(systemActive) [L618] CALL processEnvironment() [L664] int tmp ; [L667] COND FALSE !(\read(pumpRunning)) [L682] CALL processEnvironment__wrappee__highWaterSensor() [L638] int tmp ; [L641] COND TRUE ! pumpRunning [L643] CALL, EXPR isHighWaterLevel() [L779] int retValue_acc ; [L780] int tmp ; [L781] int tmp___0 ; [L785] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L785] RET, EXPR isHighWaterSensorDry() [L785] tmp = isHighWaterSensorDry() [L787] COND TRUE \read(tmp) [L788] tmp___0 = 0 [L792] retValue_acc = tmp___0 [L793] return (retValue_acc); [L643] RET, EXPR isHighWaterLevel() [L643] tmp = isHighWaterLevel() [L645] COND FALSE !(\read(tmp)) [L651] FCALL processEnvironment__wrappee__base() [L682] RET processEnvironment__wrappee__highWaterSensor() [L618] RET processEnvironment() [L624] CALL __utac_acc__Specification2_spec__2() [L836] int tmp ; [L837] int tmp___0 ; [L841] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L841] RET, EXPR isMethaneLevelCritical() [L841] tmp = isMethaneLevelCritical() [L843] COND FALSE !(\read(tmp)) [L859] methAndRunningLastTime = 0 [L624] RET __utac_acc__Specification2_spec__2() [L585] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 540]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L58] int waterLevel = 1; [L59] int methaneLevelCritical = 0; [L330] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L601] int pumpRunning = 0; [L602] int systemActive = 1; [L826] int methAndRunningLastTime ; [L903] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L977] int retValue_acc ; [L978] int tmp ; [L982] FCALL select_helpers() [L983] FCALL select_features() [L984] CALL, EXPR valid_product() [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L984] RET, EXPR valid_product() [L984] tmp = valid_product() [L986] COND TRUE \read(tmp) [L988] FCALL setup() [L989] CALL runTest() [L970] CALL __utac_acc__Specification2_spec__1() [L831] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L970] RET __utac_acc__Specification2_spec__1() [L971] CALL test() [L531] int splverifierCounter ; [L532] int tmp ; [L533] int tmp___0 ; [L534] int tmp___1 ; [L535] int tmp___2 ; [L538] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L540] COND TRUE 1 [L542] COND TRUE splverifierCounter < 4 [L548] tmp = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp)) [L558] tmp___0 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___0)) [L568] tmp___2 = __VERIFIER_nondet_int() [L570] COND TRUE \read(tmp___2) [L572] CALL startSystem() [L820] systemActive = 1 [L572] RET startSystem() [L585] CALL timeShift() [L609] COND FALSE !(\read(pumpRunning)) [L616] COND TRUE \read(systemActive) [L618] CALL processEnvironment() [L664] int tmp ; [L667] COND FALSE !(\read(pumpRunning)) [L682] CALL processEnvironment__wrappee__highWaterSensor() [L638] int tmp ; [L641] COND TRUE ! pumpRunning [L643] CALL, EXPR isHighWaterLevel() [L779] int retValue_acc ; [L780] int tmp ; [L781] int tmp___0 ; [L785] CALL, EXPR isHighWaterSensorDry() [L138] int retValue_acc ; [L141] COND TRUE waterLevel < 2 [L142] retValue_acc = 1 [L143] return (retValue_acc); [L785] RET, EXPR isHighWaterSensorDry() [L785] tmp = isHighWaterSensorDry() [L787] COND TRUE \read(tmp) [L788] tmp___0 = 0 [L792] retValue_acc = tmp___0 [L793] return (retValue_acc); [L643] RET, EXPR isHighWaterLevel() [L643] tmp = isHighWaterLevel() [L645] COND FALSE !(\read(tmp)) [L651] FCALL processEnvironment__wrappee__base() [L682] RET processEnvironment__wrappee__highWaterSensor() [L618] RET processEnvironment() [L624] CALL __utac_acc__Specification2_spec__2() [L836] int tmp ; [L837] int tmp___0 ; [L841] CALL, EXPR isMethaneLevelCritical() [L97] int retValue_acc ; [L100] retValue_acc = methaneLevelCritical [L101] return (retValue_acc); [L841] RET, EXPR isMethaneLevelCritical() [L841] tmp = isMethaneLevelCritical() [L843] COND FALSE !(\read(tmp)) [L859] methAndRunningLastTime = 0 [L624] RET __utac_acc__Specification2_spec__2() [L585] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:21:07,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e005c22e-b242-4871-ac6f-d233e91c34be/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)