./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/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_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/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_57dad344-a5f6-4030-9cfd-7ea785078216/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 d15523fb5fa7fb710c0ce810eaa6ccfc4e6cdf50f754e30078d83eba1456e275 --- 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 17:25:36,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:25:36,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:25:36,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:25:36,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:25:36,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:25:36,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:25:36,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:25:36,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:25:36,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:25:36,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:25:36,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:25:36,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:25:36,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:25:36,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:25:36,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:25:36,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:25:36,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:25:36,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:25:36,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:25:36,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:25:36,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:25:36,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:25:36,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:25:36,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:25:36,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:25:36,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:25:36,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:25:36,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:25:36,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:25:36,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:25:36,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:25:36,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:25:36,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:25:36,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:25:36,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:25:36,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:25:36,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:25:36,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:25:36,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:25:36,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:25:36,699 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:25:36,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:25:36,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:25:36,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:25:36,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:25:36,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:25:36,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:25:36,735 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:25:36,735 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:25:36,735 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:25:36,735 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:25:36,736 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:25:36,736 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:25:36,737 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:25:36,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:25:36,737 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:25:36,737 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:25:36,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:25:36,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:25:36,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:25:36,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:25:36,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:25:36,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:25:36,739 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:25:36,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:25:36,739 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:25:36,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:25:36,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:25:36,740 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:25:36,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:25:36,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:25:36,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:25:36,742 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:25:36,742 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_57dad344-a5f6-4030-9cfd-7ea785078216/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d15523fb5fa7fb710c0ce810eaa6ccfc4e6cdf50f754e30078d83eba1456e275 [2022-11-25 17:25:37,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:25:37,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:25:37,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:25:37,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:25:37,077 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:25:37,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c [2022-11-25 17:25:40,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:25:40,416 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:25:40,417 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c [2022-11-25 17:25:40,428 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/data/0cdfe2138/fe1e3dcd25784a8f95378cd8c02b0282/FLAG1b294c57e [2022-11-25 17:25:40,443 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/data/0cdfe2138/fe1e3dcd25784a8f95378cd8c02b0282 [2022-11-25 17:25:40,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:25:40,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:25:40,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:40,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:25:40,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:25:40,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:40" (1/1) ... [2022-11-25 17:25:40,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b8d613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:40, skipping insertion in model container [2022-11-25 17:25:40,470 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:25:40" (1/1) ... [2022-11-25 17:25:40,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:25:40,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:25:40,718 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_57dad344-a5f6-4030-9cfd-7ea785078216/sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c[4891,4904] [2022-11-25 17:25:40,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:40,866 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:25:40,904 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_57dad344-a5f6-4030-9cfd-7ea785078216/sv-benchmarks/c/product-lines/minepump_spec5_product18.cil.c[4891,4904] [2022-11-25 17:25:40,978 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:25:41,004 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:25:41,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41 WrapperNode [2022-11-25 17:25:41,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:25:41,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:41,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:25:41,006 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:25:41,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,057 INFO L138 Inliner]: procedures = 55, calls = 97, calls flagged for inlining = 50, calls inlined = 55, statements flattened = 364 [2022-11-25 17:25:41,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:25:41,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:25:41,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:25:41,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:25:41,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:25:41,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:25:41,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:25:41,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:25:41,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (1/1) ... [2022-11-25 17:25:41,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:25:41,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:25:41,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:25:41,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:25:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:25:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:25:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:25:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:25:41,252 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:25:41,254 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:25:41,616 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:25:41,624 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:25:41,624 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:25:41,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:41 BoogieIcfgContainer [2022-11-25 17:25:41,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:25:41,628 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:25:41,628 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:25:41,632 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:25:41,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:25:41,633 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:25:40" (1/3) ... [2022-11-25 17:25:41,634 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f29e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:25:41, skipping insertion in model container [2022-11-25 17:25:41,634 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:25:41,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:25:41" (2/3) ... [2022-11-25 17:25:41,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f29e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:25:41, skipping insertion in model container [2022-11-25 17:25:41,635 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:25:41,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:41" (3/3) ... [2022-11-25 17:25:41,636 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product18.cil.c [2022-11-25 17:25:41,692 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:25:41,692 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:25:41,693 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:25:41,693 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:25:41,693 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:25:41,693 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:25:41,693 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:25:41,694 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:25:41,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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 17:25:41,747 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-25 17:25:41,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:25:41,748 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:25:41,754 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:41,755 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:41,755 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:25:41,756 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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 17:25:41,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-25 17:25:41,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:25:41,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:25:41,769 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:41,771 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:41,777 INFO L748 eck$LassoCheckResult]: Stem: 102#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret20#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 25#L329true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 71#L322true 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; 60#L337true main_#t~ret20#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret20#1;havoc main_#t~ret20#1; 97#L426true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 9#L401true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 19#L447true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 32#L65-2true [2022-11-25 17:25:41,778 INFO L750 eck$LassoCheckResult]: Loop: 32#L65-2true assume !false; 27#L66true assume test_~splverifierCounter~0#1 < 4; 101#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 52#L75true assume !(0 != test_~tmp~0#1); 99#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 29#L85true assume !(0 != test_~tmp___0~0#1); 5#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 73#L95true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 64#L291true assume { :end_inline_startSystem } true; 77#L103-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 81#L227true __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 14#L457true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 84#L142true assume !(0 != ~pumpRunning~0); 79#L142-2true assume !(0 != ~systemActive~0); 109#L149-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 6#L931true __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 104#L468true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 112#L468-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 56#L159true assume { :end_inline_timeShift } true; 32#L65-2true [2022-11-25 17:25:41,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:41,787 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-25 17:25:41,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:41,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660479334] [2022-11-25 17:25:41,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:41,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:41,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:41,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:41,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:41,956 INFO L85 PathProgramCache]: Analyzing trace with hash -798558613, now seen corresponding path program 1 times [2022-11-25 17:25:41,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:41,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209015005] [2022-11-25 17:25:41,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:41,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:42,050 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 17:25:42,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:25:42,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209015005] [2022-11-25 17:25:42,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209015005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:25:42,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:25:42,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:25:42,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820560944] [2022-11-25 17:25:42,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:25:42,058 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 17:25:42,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:25:42,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:25:42,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:25:42,104 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:25:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:42,178 INFO L93 Difference]: Finished difference Result 110 states and 139 transitions. [2022-11-25 17:25:42,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 139 transitions. [2022-11-25 17:25:42,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-11-25 17:25:42,189 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 100 states and 128 transitions. [2022-11-25 17:25:42,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 100 [2022-11-25 17:25:42,199 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 100 [2022-11-25 17:25:42,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 128 transitions. [2022-11-25 17:25:42,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:25:42,201 INFO L218 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-11-25 17:25:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 128 transitions. [2022-11-25 17:25:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-11-25 17:25:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.28) internal successors, (128), 99 states have internal predecessors, (128), 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 17:25:42,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 128 transitions. [2022-11-25 17:25:42,234 INFO L240 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-11-25 17:25:42,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:25:42,239 INFO L428 stractBuchiCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-11-25 17:25:42,239 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:25:42,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 128 transitions. [2022-11-25 17:25:42,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-11-25 17:25:42,242 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:25:42,242 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:25:42,242 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:42,243 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 17:25:42,243 INFO L748 eck$LassoCheckResult]: Stem: 330#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 286#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret20#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 270#L329 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 271#L322 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; 310#L337 main_#t~ret20#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret20#1;havoc main_#t~ret20#1; 311#L426 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 244#L401 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 245#L447 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 263#L65-2 [2022-11-25 17:25:42,243 INFO L750 eck$LassoCheckResult]: Loop: 263#L65-2 assume !false; 274#L66 assume test_~splverifierCounter~0#1 < 4; 275#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 302#L75 assume !(0 != test_~tmp~0#1); 304#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 280#L85 assume !(0 != test_~tmp___0~0#1); 236#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 237#L95 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 323#L103 assume 0 != test_~tmp___1~0#1; 316#L103-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 325#L227 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 254#L457 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 255#L142 assume !(0 != ~pumpRunning~0); 327#L142-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 328#L174 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 319#L166-1 assume { :end_inline_processEnvironment__wrappee__base } true; 320#L174-1 assume { :end_inline_processEnvironment } true; 326#L149-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 238#L931 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 239#L468 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 272#L468-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 306#L159 assume { :end_inline_timeShift } true; 263#L65-2 [2022-11-25 17:25:42,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:42,244 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-25 17:25:42,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:42,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917549212] [2022-11-25 17:25:42,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:42,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:42,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:42,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:42,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:42,280 INFO L85 PathProgramCache]: Analyzing trace with hash -71689873, now seen corresponding path program 1 times [2022-11-25 17:25:42,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:42,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759514742] [2022-11-25 17:25:42,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:42,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:42,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:42,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:42,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:42,303 INFO L85 PathProgramCache]: Analyzing trace with hash 370522008, now seen corresponding path program 1 times [2022-11-25 17:25:42,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:42,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555669390] [2022-11-25 17:25:42,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:42,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:25:42,611 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 17:25:42,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:25:42,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555669390] [2022-11-25 17:25:42,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555669390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:25:42,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:25:42,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:25:42,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667948073] [2022-11-25 17:25:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:25:42,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:25:42,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:25:42,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:25:42,860 INFO L87 Difference]: Start difference. First operand 100 states and 128 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 17:25:43,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:25:43,117 INFO L93 Difference]: Finished difference Result 424 states and 543 transitions. [2022-11-25 17:25:43,118 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 424 states and 543 transitions. [2022-11-25 17:25:43,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 283 [2022-11-25 17:25:43,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 424 states to 424 states and 543 transitions. [2022-11-25 17:25:43,140 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 424 [2022-11-25 17:25:43,170 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 424 [2022-11-25 17:25:43,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 424 states and 543 transitions. [2022-11-25 17:25:43,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:25:43,175 INFO L218 hiAutomatonCegarLoop]: Abstraction has 424 states and 543 transitions. [2022-11-25 17:25:43,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states and 543 transitions. [2022-11-25 17:25:43,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 189. [2022-11-25 17:25:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 189 states have (on average 1.2645502645502646) internal successors, (239), 188 states have internal predecessors, (239), 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 17:25:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 239 transitions. [2022-11-25 17:25:43,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 189 states and 239 transitions. [2022-11-25 17:25:43,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 17:25:43,197 INFO L428 stractBuchiCegarLoop]: Abstraction has 189 states and 239 transitions. [2022-11-25 17:25:43,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 17:25:43,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 239 transitions. [2022-11-25 17:25:43,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 132 [2022-11-25 17:25:43,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:25:43,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:25:43,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:43,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:25:43,201 INFO L748 eck$LassoCheckResult]: Stem: 884#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);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 830#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret20#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 812#L329 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 813#L322 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; 859#L337 main_#t~ret20#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret20#1;havoc main_#t~ret20#1; 860#L426 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 786#L401 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 787#L447 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 805#L65-2 [2022-11-25 17:25:43,201 INFO L750 eck$LassoCheckResult]: Loop: 805#L65-2 assume !false; 817#L66 assume test_~splverifierCounter~0#1 < 4; 818#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 959#L75 assume !(0 != test_~tmp~0#1); 957#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 955#L85 assume !(0 != test_~tmp___0~0#1); 953#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 952#L95 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 950#L291 assume { :end_inline_startSystem } true; 949#L103-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 948#L227 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 947#L457 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 946#L142 assume !(0 != ~pumpRunning~0); 945#L142-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 943#L174 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 942#L166-1 assume { :end_inline_processEnvironment__wrappee__base } true; 939#L174-1 assume { :end_inline_processEnvironment } true; 938#L149-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 780#L931 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 781#L468 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 798#L227-1 __utac_acc__Specification5_spec__3_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 799#L472 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 936#L468-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 935#L159 assume { :end_inline_timeShift } true; 805#L65-2 [2022-11-25 17:25:43,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:43,202 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-25 17:25:43,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:43,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156575615] [2022-11-25 17:25:43,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:43,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:43,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:43,235 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:43,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:43,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1240809579, now seen corresponding path program 1 times [2022-11-25 17:25:43,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:43,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192104895] [2022-11-25 17:25:43,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:43,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:43,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:43,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:43,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:25:43,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1004664916, now seen corresponding path program 1 times [2022-11-25 17:25:43,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:25:43,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253975052] [2022-11-25 17:25:43,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:25:43,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:25:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:43,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:43,310 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:25:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:44,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:25:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:25:44,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:25:44 BoogieIcfgContainer [2022-11-25 17:25:44,569 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:25:44,570 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:25:44,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:25:44,571 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:25:44,571 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:25:41" (3/4) ... [2022-11-25 17:25:44,574 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 17:25:44,639 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:25:44,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:25:44,641 INFO L158 Benchmark]: Toolchain (without parser) took 4186.19ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 95.1MB in the beginning and 133.2MB in the end (delta: -38.1MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-11-25 17:25:44,641 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:25:44,642 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.05ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 76.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 17:25:44,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.36ms. Allocated memory is still 140.5MB. Free memory was 76.6MB in the beginning and 74.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:44,643 INFO L158 Benchmark]: Boogie Preprocessor took 43.26ms. Allocated memory is still 140.5MB. Free memory was 73.8MB in the beginning and 72.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:25:44,644 INFO L158 Benchmark]: RCFGBuilder took 524.84ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 72.0MB in the beginning and 145.3MB in the end (delta: -73.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-25 17:25:44,644 INFO L158 Benchmark]: BuchiAutomizer took 2940.95ms. Allocated memory is still 178.3MB. Free memory was 145.3MB in the beginning and 136.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-25 17:25:44,645 INFO L158 Benchmark]: Witness Printer took 69.44ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:25:44,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 140.5MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.05ms. Allocated memory is still 140.5MB. Free memory was 95.1MB in the beginning and 76.6MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.36ms. Allocated memory is still 140.5MB. Free memory was 76.6MB in the beginning and 74.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.26ms. Allocated memory is still 140.5MB. Free memory was 73.8MB in the beginning and 72.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 524.84ms. Allocated memory was 140.5MB in the beginning and 178.3MB in the end (delta: 37.7MB). Free memory was 72.0MB in the beginning and 145.3MB in the end (delta: -73.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2940.95ms. Allocated memory is still 178.3MB. Free memory was 145.3MB in the beginning and 136.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Witness Printer took 69.44ms. Allocated memory is still 178.3MB. Free memory was 136.3MB in the beginning and 133.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 189 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.1s. 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, 235 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, 652 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 652 mSDsluCounter, 927 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 615 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 312 mSDtfsCounter, 101 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: 65]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L342] int cleanupTimeShifts = 4; [L441] int switchedOnBeforeTS ; [L659] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L856] int waterLevel = 1; [L857] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L333] int retValue_acc ; [L336] retValue_acc = 1 [L337] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L410] CALL __utac_acc__Specification5_spec__1() [L446] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L410] RET __utac_acc__Specification5_spec__1() [L411] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L290] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L455] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L455] RET, EXPR isPumpRunning() [L455] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L461] int tmp ; [L462] int tmp___0 ; [L466] CALL, EXPR getWaterLevel() [L927] int retValue_acc ; [L930] retValue_acc = waterLevel [L931] return (retValue_acc); [L466] RET, EXPR getWaterLevel() [L466] tmp = getWaterLevel() [L468] COND TRUE tmp != 2 [L470] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L470] RET, EXPR isPumpRunning() [L470] tmp___0 = isPumpRunning() [L472] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L342] int cleanupTimeShifts = 4; [L441] int switchedOnBeforeTS ; [L659] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L856] int waterLevel = 1; [L857] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L417] int retValue_acc ; [L418] int tmp ; [L422] FCALL select_helpers() [L423] FCALL select_features() [L424] CALL, EXPR valid_product() [L333] int retValue_acc ; [L336] retValue_acc = 1 [L337] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L424] RET, EXPR valid_product() [L424] tmp = valid_product() [L426] COND TRUE \read(tmp) [L428] FCALL setup() [L429] CALL runTest() [L410] CALL __utac_acc__Specification5_spec__1() [L446] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L410] RET __utac_acc__Specification5_spec__1() [L411] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L290] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L140] CALL __utac_acc__Specification5_spec__2() [L455] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L455] RET, EXPR isPumpRunning() [L455] switchedOnBeforeTS = isPumpRunning() [L140] RET __utac_acc__Specification5_spec__2() [L142] COND FALSE !(\read(pumpRunning)) [L149] COND TRUE \read(systemActive) [L151] CALL processEnvironment() [L171] int tmp ; [L174] COND FALSE !(\read(pumpRunning)) [L189] FCALL processEnvironment__wrappee__base() [L151] RET processEnvironment() [L157] CALL __utac_acc__Specification5_spec__3() [L461] int tmp ; [L462] int tmp___0 ; [L466] CALL, EXPR getWaterLevel() [L927] int retValue_acc ; [L930] retValue_acc = waterLevel [L931] return (retValue_acc); [L466] RET, EXPR getWaterLevel() [L466] tmp = getWaterLevel() [L468] COND TRUE tmp != 2 [L470] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L470] RET, EXPR isPumpRunning() [L470] tmp___0 = isPumpRunning() [L472] COND FALSE !(\read(tmp___0)) [L157] RET __utac_acc__Specification5_spec__3() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:25:44,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57dad344-a5f6-4030-9cfd-7ea785078216/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)