./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8 --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 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d --- 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-2329fc7 [2022-12-13 15:53:45,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:53:45,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:53:45,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:53:45,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:53:45,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:53:45,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:53:45,996 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:53:45,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:53:45,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:53:45,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:53:45,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:53:46,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:53:46,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:53:46,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:53:46,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:53:46,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:53:46,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:53:46,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:53:46,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:53:46,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:53:46,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:53:46,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:53:46,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:53:46,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:53:46,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:53:46,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:53:46,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:53:46,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:53:46,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:53:46,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:53:46,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:53:46,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:53:46,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:53:46,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:53:46,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:53:46,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:53:46,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:53:46,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:53:46,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:53:46,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:53:46,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 15:53:46,044 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:53:46,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:53:46,045 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:53:46,045 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:53:46,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:53:46,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:53:46,047 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:53:46,047 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 15:53:46,047 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 15:53:46,047 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 15:53:46,048 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 15:53:46,048 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 15:53:46,048 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 15:53:46,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:53:46,049 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 15:53:46,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:53:46,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:53:46,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 15:53:46,049 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:53:46,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 15:53:46,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 15:53:46,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 15:53:46,050 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 15:53:46,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:53:46,050 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 15:53:46,050 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:53:46,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 15:53:46,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:53:46,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:53:46,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:53:46,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:53:46,052 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 15:53:46,053 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_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ebbbe9395fd7f6497497f0e6f84282075bb296e20acc9821d0fb2d7075b331d [2022-12-13 15:53:46,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:53:46,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:53:46,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:53:46,267 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:53:46,267 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:53:46,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2022-12-13 15:53:48,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:53:48,971 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:53:48,971 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c [2022-12-13 15:53:48,979 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/data/65dd39876/aea77e1524d745f3bee9dbfcfadc2f91/FLAG6c6db63f0 [2022-12-13 15:53:49,357 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/data/65dd39876/aea77e1524d745f3bee9dbfcfadc2f91 [2022-12-13 15:53:49,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:53:49,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:53:49,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:53:49,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:53:49,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:53:49,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b86ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49, skipping insertion in model container [2022-12-13 15:53:49,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:53:49,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:53:49,612 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_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18359,18372] [2022-12-13 15:53:49,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:53:49,626 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:53:49,686 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_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/sv-benchmarks/c/product-lines/minepump_spec2_product49.cil.c[18359,18372] [2022-12-13 15:53:49,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:53:49,706 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:53:49,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49 WrapperNode [2022-12-13 15:53:49,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:53:49,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:53:49,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:53:49,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:53:49,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,756 INFO L138 Inliner]: procedures = 56, calls = 99, calls flagged for inlining = 52, calls inlined = 78, statements flattened = 559 [2022-12-13 15:53:49,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:53:49,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:53:49,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:53:49,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:53:49,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,768 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:53:49,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:53:49,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:53:49,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:53:49,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (1/1) ... [2022-12-13 15:53:49,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 15:53:49,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:53:49,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 15:53:49,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 15:53:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:53:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:53:49,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:53:49,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:53:49,917 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:53:49,918 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:53:50,275 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:53:50,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:53:50,283 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 15:53:50,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:53:50 BoogieIcfgContainer [2022-12-13 15:53:50,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:53:50,287 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 15:53:50,287 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 15:53:50,291 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 15:53:50,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:53:50,292 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 03:53:49" (1/3) ... [2022-12-13 15:53:50,293 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16d8b242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:53:50, skipping insertion in model container [2022-12-13 15:53:50,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:53:50,293 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:53:49" (2/3) ... [2022-12-13 15:53:50,293 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16d8b242 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 03:53:50, skipping insertion in model container [2022-12-13 15:53:50,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 15:53:50,294 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:53:50" (3/3) ... [2022-12-13 15:53:50,295 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product49.cil.c [2022-12-13 15:53:50,343 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 15:53:50,343 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 15:53:50,343 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 15:53:50,343 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 15:53:50,344 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 15:53:50,344 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 15:53:50,344 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 15:53:50,344 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 15:53:50,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.387878787878788) internal successors, (229), 165 states have internal predecessors, (229), 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) [2022-12-13 15:53:50,369 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2022-12-13 15:53:50,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:53:50,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:53:50,374 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:53:50,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:53:50,375 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 15:53:50,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 166 states, 165 states have (on average 1.387878787878788) internal successors, (229), 165 states have internal predecessors, (229), 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) [2022-12-13 15:53:50,380 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2022-12-13 15:53:50,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:53:50,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:53:50,381 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:53:50,381 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:53:50,386 INFO L748 eck$LassoCheckResult]: Stem: 38#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 27#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 140#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 117#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 131#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 94#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 137#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L316-2true [2022-12-13 15:53:50,386 INFO L750 eck$LassoCheckResult]: Loop: 101#L316-2true assume !false; 7#L317true assume test_~splverifierCounter~0#1 < 4; 159#L318true test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 34#L326true assume !(0 != test_~tmp~2#1); 21#L326-2true test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 105#L336true assume !(0 != test_~tmp___0~1#1); 106#L336-2true test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 59#L346true assume 0 != test_~tmp___2~0#1; 32#L352-2true assume { :begin_inline_timeShift } true; 96#L380true assume !(0 != ~pumpRunning~0); 147#L380-2true assume !(0 != ~systemActive~0); 111#L387-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 156#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 84#L284true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 64#L284-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 85#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 101#L316-2true [2022-12-13 15:53:50,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:50,391 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 15:53:50,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:50,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022000996] [2022-12-13 15:53:50,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:50,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:50,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:53:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:50,506 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:53:50,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:50,508 INFO L85 PathProgramCache]: Analyzing trace with hash -444971478, now seen corresponding path program 1 times [2022-12-13 15:53:50,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:50,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455913753] [2022-12-13 15:53:50,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:50,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:50,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:53:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:50,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:53:50,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash -607258861, now seen corresponding path program 1 times [2022-12-13 15:53:50,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:50,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485218576] [2022-12-13 15:53:50,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:50,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:53:50,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:53:50,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485218576] [2022-12-13 15:53:50,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485218576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:53:50,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:53:50,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:53:50,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455783355] [2022-12-13 15:53:50,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:53:50,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:53:50,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:53:50,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:53:50,815 INFO L87 Difference]: Start difference. First operand has 166 states, 165 states have (on average 1.387878787878788) internal successors, (229), 165 states have internal predecessors, (229), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-12-13 15:53:50,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:53:50,877 INFO L93 Difference]: Finished difference Result 163 states and 215 transitions. [2022-12-13 15:53:50,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 163 states and 215 transitions. [2022-12-13 15:53:50,882 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2022-12-13 15:53:50,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 163 states to 153 states and 205 transitions. [2022-12-13 15:53:50,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2022-12-13 15:53:50,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2022-12-13 15:53:50,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 205 transitions. [2022-12-13 15:53:50,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:53:50,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 153 states and 205 transitions. [2022-12-13 15:53:50,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 205 transitions. [2022-12-13 15:53:50,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2022-12-13 15:53:50,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 152 states have internal predecessors, (205), 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) [2022-12-13 15:53:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 205 transitions. [2022-12-13 15:53:50,917 INFO L240 hiAutomatonCegarLoop]: Abstraction has 153 states and 205 transitions. [2022-12-13 15:53:50,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:53:50,921 INFO L428 stractBuchiCegarLoop]: Abstraction has 153 states and 205 transitions. [2022-12-13 15:53:50,921 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 15:53:50,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 153 states and 205 transitions. [2022-12-13 15:53:50,924 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2022-12-13 15:53:50,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:53:50,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:53:50,924 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:53:50,925 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:53:50,925 INFO L748 eck$LassoCheckResult]: Stem: 407#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 408#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 388#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 389#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 486#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 487#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 470#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 471#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 463#L316-2 [2022-12-13 15:53:50,925 INFO L750 eck$LassoCheckResult]: Loop: 463#L316-2 assume !false; 353#L317 assume test_~splverifierCounter~0#1 < 4; 354#L318 test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 402#L326 assume !(0 != test_~tmp~2#1); 370#L326-2 test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 377#L336 assume !(0 != test_~tmp___0~1#1); 479#L336-2 test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 434#L346 assume 0 != test_~tmp___2~0#1; 399#L352-2 assume { :begin_inline_timeShift } true; 400#L380 assume !(0 != ~pumpRunning~0); 366#L380-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 492#L438 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 444#L412-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 349#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 350#L412-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 424#L438-1 assume { :end_inline_processEnvironment } true; 425#L387-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 482#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 461#L284 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 397#L284-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 441#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 463#L316-2 [2022-12-13 15:53:50,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:50,926 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 15:53:50,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:50,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414992642] [2022-12-13 15:53:50,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:50,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:50,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:53:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:50,944 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:53:50,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:50,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1323260789, now seen corresponding path program 1 times [2022-12-13 15:53:50,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:50,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095713651] [2022-12-13 15:53:50,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:50,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:53:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:53:50,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:53:50,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095713651] [2022-12-13 15:53:50,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095713651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:53:50,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:53:50,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:53:50,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52282229] [2022-12-13 15:53:50,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:53:50,960 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 15:53:50,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:53:50,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:53:50,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:53:50,961 INFO L87 Difference]: Start difference. First operand 153 states and 205 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2022-12-13 15:53:51,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:53:51,013 INFO L93 Difference]: Finished difference Result 211 states and 273 transitions. [2022-12-13 15:53:51,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 273 transitions. [2022-12-13 15:53:51,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2022-12-13 15:53:51,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 273 transitions. [2022-12-13 15:53:51,019 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2022-12-13 15:53:51,020 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2022-12-13 15:53:51,020 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 273 transitions. [2022-12-13 15:53:51,021 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 15:53:51,021 INFO L218 hiAutomatonCegarLoop]: Abstraction has 211 states and 273 transitions. [2022-12-13 15:53:51,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 273 transitions. [2022-12-13 15:53:51,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2022-12-13 15:53:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 211 states have (on average 1.2938388625592416) internal successors, (273), 210 states have internal predecessors, (273), 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) [2022-12-13 15:53:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 273 transitions. [2022-12-13 15:53:51,028 INFO L240 hiAutomatonCegarLoop]: Abstraction has 211 states and 273 transitions. [2022-12-13 15:53:51,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:53:51,029 INFO L428 stractBuchiCegarLoop]: Abstraction has 211 states and 273 transitions. [2022-12-13 15:53:51,029 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 15:53:51,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 273 transitions. [2022-12-13 15:53:51,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 146 [2022-12-13 15:53:51,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 15:53:51,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 15:53:51,031 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:53:51,031 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] [2022-12-13 15:53:51,031 INFO L748 eck$LassoCheckResult]: Stem: 775#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 776#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 756#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 757#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 860#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 861#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 840#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 841#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet12#1, test_#t~nondet13#1, test_#t~nondet14#1, test_#t~nondet15#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 834#L316-2 [2022-12-13 15:53:51,031 INFO L750 eck$LassoCheckResult]: Loop: 834#L316-2 assume !false; 721#L317 assume test_~splverifierCounter~0#1 < 4; 722#L318 test_~tmp~2#1 := test_#t~nondet12#1;havoc test_#t~nondet12#1; 769#L326 assume !(0 != test_~tmp~2#1); 736#L326-2 test_~tmp___0~1#1 := test_#t~nondet13#1;havoc test_#t~nondet13#1; 745#L336 assume !(0 != test_~tmp___0~1#1); 852#L336-2 test_~tmp___2~0#1 := test_#t~nondet14#1;havoc test_#t~nondet14#1; 802#L346 assume 0 != test_~tmp___2~0#1; 764#L352-2 assume { :begin_inline_timeShift } true; 765#L380 assume !(0 != ~pumpRunning~0); 843#L380-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 865#L438 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1, processEnvironment__wrappee__highWaterSensor_~tmp~3#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3#1; 814#L412-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret27#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~3#1;havoc isHighWaterSensorDry_~retValue_acc~3#1; 771#L245-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~3#1; 772#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret27#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret27#1;havoc isHighWaterLevel_#t~ret27#1; 792#L540-3 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~2#1 := 0; 870#L540-5 isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1; 871#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret16#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~3#1 := processEnvironment__wrappee__highWaterSensor_#t~ret16#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16#1; 845#L416-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 785#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 786#L412-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 793#L438-1 assume { :end_inline_processEnvironment } true; 794#L387-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~1#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~1#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 856#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~1#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 832#L284 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1#1);~methAndRunningLastTime~0 := 0; 767#L284-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 813#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 834#L316-2 [2022-12-13 15:53:51,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:51,032 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 15:53:51,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:51,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450411740] [2022-12-13 15:53:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:51,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:53:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:53:51,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:51,048 INFO L85 PathProgramCache]: Analyzing trace with hash -577076157, now seen corresponding path program 1 times [2022-12-13 15:53:51,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:51,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165254266] [2022-12-13 15:53:51,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:51,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:53:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:53:51,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:53:51,061 INFO L85 PathProgramCache]: Analyzing trace with hash -406300742, now seen corresponding path program 1 times [2022-12-13 15:53:51,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:53:51,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191345100] [2022-12-13 15:53:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:53:51,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:53:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:53:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 15:53:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 15:53:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 15:53:51,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 03:53:51 BoogieIcfgContainer [2022-12-13 15:53:51,934 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 15:53:51,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:53:51,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:53:51,935 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:53:51,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:53:50" (3/4) ... [2022-12-13 15:53:51,938 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 15:53:51,985 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:53:51,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:53:51,986 INFO L158 Benchmark]: Toolchain (without parser) took 2625.53ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 109.1MB in the beginning and 156.4MB in the end (delta: -47.2MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2022-12-13 15:53:51,986 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:53:51,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.41ms. Allocated memory is still 144.7MB. Free memory was 108.7MB in the beginning and 90.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 15:53:51,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.14ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 86.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:53:51,987 INFO L158 Benchmark]: Boogie Preprocessor took 31.92ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:53:51,987 INFO L158 Benchmark]: RCFGBuilder took 496.00ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 84.8MB in the beginning and 154.4MB in the end (delta: -69.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-12-13 15:53:51,988 INFO L158 Benchmark]: BuchiAutomizer took 1647.24ms. Allocated memory is still 192.9MB. Free memory was 154.4MB in the beginning and 159.5MB in the end (delta: -5.1MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. [2022-12-13 15:53:51,988 INFO L158 Benchmark]: Witness Printer took 51.11ms. Allocated memory is still 192.9MB. Free memory was 159.5MB in the beginning and 156.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 15:53:51,989 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 345.41ms. Allocated memory is still 144.7MB. Free memory was 108.7MB in the beginning and 90.2MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.14ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 86.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.92ms. Allocated memory is still 144.7MB. Free memory was 86.9MB in the beginning and 84.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.00ms. Allocated memory was 144.7MB in the beginning and 192.9MB in the end (delta: 48.2MB). Free memory was 84.8MB in the beginning and 154.4MB in the end (delta: -69.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1647.24ms. Allocated memory is still 192.9MB. Free memory was 154.4MB in the beginning and 159.5MB in the end (delta: -5.1MB). Peak memory consumption was 98.5MB. Max. memory is 16.1GB. * Witness Printer took 51.11ms. Allocated memory is still 192.9MB. Free memory was 159.5MB in the beginning and 156.4MB 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 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 971 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 971 mSDsluCounter, 522 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 105 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 417 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: 316]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L162] int waterLevel = 1; [L163] int methaneLevelCritical = 0; [L267] int methAndRunningLastTime ; [L373] int pumpRunning = 0; [L374] int systemActive = 1; [L739] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L971] int retValue_acc ; [L974] retValue_acc = 1 [L975] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L272] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L307] int splverifierCounter ; [L308] int tmp ; [L309] int tmp___0 ; [L310] int tmp___1 ; [L311] int tmp___2 ; [L314] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L316] COND TRUE 1 [L318] COND TRUE splverifierCounter < 4 [L324] tmp = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp)) [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L344] tmp___2 = __VERIFIER_nondet_int() [L346] COND TRUE \read(tmp___2) [L359] CALL timeShift() [L380] COND FALSE !(\read(pumpRunning)) [L387] COND TRUE \read(systemActive) [L389] CALL processEnvironment() [L435] int tmp ; [L438] COND FALSE !(\read(pumpRunning)) [L453] CALL processEnvironment__wrappee__highWaterSensor() [L409] int tmp ; [L412] COND TRUE ! pumpRunning [L414] CALL, EXPR isHighWaterLevel() [L532] int retValue_acc ; [L533] int tmp ; [L534] int tmp___0 ; [L538] CALL, EXPR isHighWaterSensorDry() [L242] int retValue_acc ; [L245] COND TRUE waterLevel < 2 [L246] retValue_acc = 1 [L247] return (retValue_acc); [L538] RET, EXPR isHighWaterSensorDry() [L538] tmp = isHighWaterSensorDry() [L540] COND TRUE \read(tmp) [L541] tmp___0 = 0 [L545] retValue_acc = tmp___0 [L546] return (retValue_acc); [L414] RET, EXPR isHighWaterLevel() [L414] tmp = isHighWaterLevel() [L416] COND FALSE !(\read(tmp)) [L422] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment__wrappee__highWaterSensor() [L389] RET processEnvironment() [L395] CALL __utac_acc__Specification2_spec__2() [L277] int tmp ; [L278] int tmp___0 ; [L282] CALL, EXPR isMethaneLevelCritical() [L201] int retValue_acc ; [L204] retValue_acc = methaneLevelCritical [L205] return (retValue_acc); [L282] RET, EXPR isMethaneLevelCritical() [L282] tmp = isMethaneLevelCritical() [L284] COND FALSE !(\read(tmp)) [L300] methAndRunningLastTime = 0 [L395] RET __utac_acc__Specification2_spec__2() [L359] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 316]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L162] int waterLevel = 1; [L163] int methaneLevelCritical = 0; [L267] int methAndRunningLastTime ; [L373] int pumpRunning = 0; [L374] int systemActive = 1; [L739] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L971] int retValue_acc ; [L974] retValue_acc = 1 [L975] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification2_spec__1() [L272] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification2_spec__1() [L124] CALL test() [L307] int splverifierCounter ; [L308] int tmp ; [L309] int tmp___0 ; [L310] int tmp___1 ; [L311] int tmp___2 ; [L314] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L316] COND TRUE 1 [L318] COND TRUE splverifierCounter < 4 [L324] tmp = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp)) [L334] tmp___0 = __VERIFIER_nondet_int() [L336] COND FALSE !(\read(tmp___0)) [L344] tmp___2 = __VERIFIER_nondet_int() [L346] COND TRUE \read(tmp___2) [L359] CALL timeShift() [L380] COND FALSE !(\read(pumpRunning)) [L387] COND TRUE \read(systemActive) [L389] CALL processEnvironment() [L435] int tmp ; [L438] COND FALSE !(\read(pumpRunning)) [L453] CALL processEnvironment__wrappee__highWaterSensor() [L409] int tmp ; [L412] COND TRUE ! pumpRunning [L414] CALL, EXPR isHighWaterLevel() [L532] int retValue_acc ; [L533] int tmp ; [L534] int tmp___0 ; [L538] CALL, EXPR isHighWaterSensorDry() [L242] int retValue_acc ; [L245] COND TRUE waterLevel < 2 [L246] retValue_acc = 1 [L247] return (retValue_acc); [L538] RET, EXPR isHighWaterSensorDry() [L538] tmp = isHighWaterSensorDry() [L540] COND TRUE \read(tmp) [L541] tmp___0 = 0 [L545] retValue_acc = tmp___0 [L546] return (retValue_acc); [L414] RET, EXPR isHighWaterLevel() [L414] tmp = isHighWaterLevel() [L416] COND FALSE !(\read(tmp)) [L422] FCALL processEnvironment__wrappee__base() [L453] RET processEnvironment__wrappee__highWaterSensor() [L389] RET processEnvironment() [L395] CALL __utac_acc__Specification2_spec__2() [L277] int tmp ; [L278] int tmp___0 ; [L282] CALL, EXPR isMethaneLevelCritical() [L201] int retValue_acc ; [L204] retValue_acc = methaneLevelCritical [L205] return (retValue_acc); [L282] RET, EXPR isMethaneLevelCritical() [L282] tmp = isMethaneLevelCritical() [L284] COND FALSE !(\read(tmp)) [L300] methAndRunningLastTime = 0 [L395] RET __utac_acc__Specification2_spec__2() [L359] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 15:53:52,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6121d395-e33f-4f88-a1f6-09d1d60f0cf2/bin/uautomizer-uyxdKDjOR8/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)