./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/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_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/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_854decb7-5e67-421c-af51-60973a1d8b49/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 b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab --- 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 15:31:24,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:31:24,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:31:24,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:31:24,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:31:24,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:31:24,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:31:24,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:31:24,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:31:24,808 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:31:24,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:31:24,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:31:24,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:31:24,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:31:24,812 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:31:24,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:31:24,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:31:24,814 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:31:24,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:31:24,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:31:24,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:31:24,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:31:24,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:31:24,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:31:24,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:31:24,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:31:24,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:31:24,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:31:24,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:31:24,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:31:24,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:31:24,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:31:24,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:31:24,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:31:24,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:31:24,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:31:24,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:31:24,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:31:24,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:31:24,863 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:31:24,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:31:24,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 15:31:24,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:31:24,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:31:24,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:31:24,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:31:24,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:31:24,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:31:24,915 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:31:24,915 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 15:31:24,916 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 15:31:24,916 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 15:31:24,917 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 15:31:24,917 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 15:31:24,918 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 15:31:24,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:31:24,918 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 15:31:24,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 15:31:24,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:31:24,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 15:31:24,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:31:24,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 15:31:24,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 15:31:24,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 15:31:24,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 15:31:24,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:31:24,921 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 15:31:24,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:31:24,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 15:31:24,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:31:24,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:31:24,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:31:24,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:31:24,924 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 15:31:24,924 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_854decb7-5e67-421c-af51-60973a1d8b49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab [2022-11-25 15:31:25,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:31:25,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:31:25,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:31:25,271 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:31:25,271 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:31:25,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2022-11-25 15:31:28,374 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:31:28,593 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:31:28,594 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2022-11-25 15:31:28,605 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/data/4ac763f34/ff0b4b33543946679740559295c8d91b/FLAGe6691e8bd [2022-11-25 15:31:28,620 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/data/4ac763f34/ff0b4b33543946679740559295c8d91b [2022-11-25 15:31:28,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:31:28,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:31:28,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:31:28,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:31:28,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:31:28,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:28" (1/1) ... [2022-11-25 15:31:28,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468ca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:28, skipping insertion in model container [2022-11-25 15:31:28,636 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:31:28" (1/1) ... [2022-11-25 15:31:28,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:31:28,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:31:28,936 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_854decb7-5e67-421c-af51-60973a1d8b49/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2022-11-25 15:31:28,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:31:28,963 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:31:29,060 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_854decb7-5e67-421c-af51-60973a1d8b49/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2022-11-25 15:31:29,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:31:29,094 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:31:29,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29 WrapperNode [2022-11-25 15:31:29,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:31:29,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:31:29,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:31:29,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:31:29,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,135 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,176 INFO L138 Inliner]: procedures = 51, calls = 92, calls flagged for inlining = 45, calls inlined = 38, statements flattened = 265 [2022-11-25 15:31:29,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:31:29,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:31:29,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:31:29,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:31:29,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,211 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:31:29,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:31:29,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:31:29,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:31:29,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (1/1) ... [2022-11-25 15:31:29,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 15:31:29,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:31:29,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 15:31:29,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 15:31:29,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 15:31:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 15:31:29,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:31:29,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:31:29,456 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:31:29,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:31:29,846 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:31:29,854 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:31:29,854 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 15:31:29,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:29 BoogieIcfgContainer [2022-11-25 15:31:29,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:31:29,858 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 15:31:29,858 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 15:31:29,862 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 15:31:29,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:31:29,863 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 03:31:28" (1/3) ... [2022-11-25 15:31:29,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d2436e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:31:29, skipping insertion in model container [2022-11-25 15:31:29,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:31:29,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:31:29" (2/3) ... [2022-11-25 15:31:29,865 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d2436e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 03:31:29, skipping insertion in model container [2022-11-25 15:31:29,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 15:31:29,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:29" (3/3) ... [2022-11-25 15:31:29,867 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product04.cil.c [2022-11-25 15:31:29,940 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 15:31:29,941 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 15:31:29,941 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 15:31:29,941 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 15:31:29,941 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 15:31:29,941 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 15:31:29,941 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 15:31:29,941 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 15:31:29,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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 15:31:29,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2022-11-25 15:31:29,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:31:29,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:31:29,985 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:29,985 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:29,985 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 15:31:29,985 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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 15:31:29,990 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2022-11-25 15:31:29,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:31:29,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:31:29,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:29,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:29,996 INFO L748 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 47#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 24#L527true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 50#L520true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 17#L535true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 67#L625true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 70#L601true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 48#L827-2true [2022-11-25 15:31:29,997 INFO L750 eck$LassoCheckResult]: Loop: 48#L827-2true assume !false; 68#L828true assume test_~splverifierCounter~0#1 < 4; 8#L829true test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 61#L837true assume !(0 != test_~tmp~5#1); 72#L837-2true test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 45#L847true assume !(0 != test_~tmp___0~1#1); 77#L847-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 36#L857true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 38#L865true assume !(0 != test_~tmp___1~1#1); 29#L865-2true assume { :begin_inline_timeShift } true; 18#L694true assume !(0 != ~pumpRunning~0); 85#L694-2true assume !(0 != ~systemActive~0); 19#L701-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 51#L99true __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 23#L658true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 40#L664-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 53#L711true assume { :end_inline_timeShift } true; 48#L827-2true [2022-11-25 15:31:30,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:30,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-25 15:31:30,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:30,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420192985] [2022-11-25 15:31:30,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:30,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:30,115 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:30,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:30,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:30,161 INFO L85 PathProgramCache]: Analyzing trace with hash 522900833, now seen corresponding path program 1 times [2022-11-25 15:31:30,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:30,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784111874] [2022-11-25 15:31:30,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:30,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:30,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:30,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:30,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:30,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:30,207 INFO L85 PathProgramCache]: Analyzing trace with hash -408780771, now seen corresponding path program 1 times [2022-11-25 15:31:30,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:30,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098276] [2022-11-25 15:31:30,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:30,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:31:30,494 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 15:31:30,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:31:30,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098276] [2022-11-25 15:31:30,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:31:30,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:31:30,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 15:31:30,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153965662] [2022-11-25 15:31:30,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:31:30,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:31:30,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 15:31:30,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 15:31:30,682 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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) [2022-11-25 15:31:30,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:31:30,866 INFO L93 Difference]: Finished difference Result 303 states and 386 transitions. [2022-11-25 15:31:30,868 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 386 transitions. [2022-11-25 15:31:30,878 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 194 [2022-11-25 15:31:30,896 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 263 states and 346 transitions. [2022-11-25 15:31:30,902 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2022-11-25 15:31:30,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2022-11-25 15:31:30,906 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 346 transitions. [2022-11-25 15:31:30,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:31:30,908 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 346 transitions. [2022-11-25 15:31:30,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 346 transitions. [2022-11-25 15:31:30,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 131. [2022-11-25 15:31:30,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 131 states have (on average 1.3206106870229009) internal successors, (173), 130 states have internal predecessors, (173), 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 15:31:30,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 173 transitions. [2022-11-25 15:31:30,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 131 states and 173 transitions. [2022-11-25 15:31:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:31:30,963 INFO L428 stractBuchiCegarLoop]: Abstraction has 131 states and 173 transitions. [2022-11-25 15:31:30,963 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 15:31:30,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 173 transitions. [2022-11-25 15:31:30,966 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95 [2022-11-25 15:31:30,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:31:30,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:31:30,967 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:30,967 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:30,967 INFO L748 eck$LassoCheckResult]: Stem: 475#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 465#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 443#L527 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 444#L520 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 432#L535 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 433#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 477#L601 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 466#L827-2 [2022-11-25 15:31:30,967 INFO L750 eck$LassoCheckResult]: Loop: 466#L827-2 assume !false; 467#L828 assume test_~splverifierCounter~0#1 < 4; 416#L829 test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 417#L837 assume !(0 != test_~tmp~5#1); 468#L837-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 463#L847 assume !(0 != test_~tmp___0~1#1); 464#L847-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 455#L857 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 456#L865 assume !(0 != test_~tmp___1~1#1); 450#L865-2 assume { :begin_inline_timeShift } true; 434#L694 assume !(0 != ~pumpRunning~0); 435#L694-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 439#L718 assume { :end_inline_processEnvironment } true; 437#L701-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 438#L99 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 440#L658 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 441#L664-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 459#L711 assume { :end_inline_timeShift } true; 466#L827-2 [2022-11-25 15:31:30,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:30,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-25 15:31:30,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:30,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699591118] [2022-11-25 15:31:30,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:30,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:30,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:30,989 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:30,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:30,990 INFO L85 PathProgramCache]: Analyzing trace with hash -341466795, now seen corresponding path program 1 times [2022-11-25 15:31:30,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:30,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190193789] [2022-11-25 15:31:30,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:30,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:30,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,003 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:31,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:31,004 INFO L85 PathProgramCache]: Analyzing trace with hash 841174553, now seen corresponding path program 1 times [2022-11-25 15:31:31,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:31,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823353395] [2022-11-25 15:31:31,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:31,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:31:31,099 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 15:31:31,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 15:31:31,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823353395] [2022-11-25 15:31:31,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823353395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:31:31,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:31:31,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:31:31,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331023829] [2022-11-25 15:31:31,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:31:31,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 15:31:31,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 15:31:31,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:31:31,231 INFO L87 Difference]: Start difference. First operand 131 states and 173 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:31:31,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:31:31,341 INFO L93 Difference]: Finished difference Result 435 states and 577 transitions. [2022-11-25 15:31:31,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 435 states and 577 transitions. [2022-11-25 15:31:31,345 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 337 [2022-11-25 15:31:31,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 435 states to 435 states and 577 transitions. [2022-11-25 15:31:31,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435 [2022-11-25 15:31:31,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435 [2022-11-25 15:31:31,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 577 transitions. [2022-11-25 15:31:31,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 15:31:31,352 INFO L218 hiAutomatonCegarLoop]: Abstraction has 435 states and 577 transitions. [2022-11-25 15:31:31,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 577 transitions. [2022-11-25 15:31:31,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 255. [2022-11-25 15:31:31,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 255 states have (on average 1.2980392156862746) internal successors, (331), 254 states have internal predecessors, (331), 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 15:31:31,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 331 transitions. [2022-11-25 15:31:31,367 INFO L240 hiAutomatonCegarLoop]: Abstraction has 255 states and 331 transitions. [2022-11-25 15:31:31,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 15:31:31,368 INFO L428 stractBuchiCegarLoop]: Abstraction has 255 states and 331 transitions. [2022-11-25 15:31:31,369 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 15:31:31,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 331 transitions. [2022-11-25 15:31:31,371 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 190 [2022-11-25 15:31:31,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 15:31:31,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 15:31:31,372 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:31,372 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 15:31:31,372 INFO L748 eck$LassoCheckResult]: Stem: 1072#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1055#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1028#L527 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1029#L520 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~6#1;havoc valid_product_~retValue_acc~6#1;valid_product_~retValue_acc~6#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~6#1; 1017#L535 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 1018#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1074#L601 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1077#L827-2 [2022-11-25 15:31:31,373 INFO L750 eck$LassoCheckResult]: Loop: 1077#L827-2 assume !false; 1156#L828 assume test_~splverifierCounter~0#1 < 4; 1155#L829 test_~tmp~5#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 1153#L837 assume !(0 != test_~tmp~5#1); 1078#L837-2 test_~tmp___0~1#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 1053#L847 assume !(0 != test_~tmp___0~1#1); 1054#L847-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1044#L857 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1045#L865 assume !(0 != test_~tmp___1~1#1); 1036#L865-2 assume { :begin_inline_timeShift } true; 1037#L694 assume !(0 != ~pumpRunning~0); 1098#L694-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1025#L718 assume { :end_inline_processEnvironment } true; 1022#L701-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret34#1, __utac_acc__Specification3_spec__1_#t~ret35#1, __utac_acc__Specification3_spec__1_#t~ret36#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1023#L99 __utac_acc__Specification3_spec__1_#t~ret34#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret34#1;havoc __utac_acc__Specification3_spec__1_#t~ret34#1; 1026#L658 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1027#L131 __utac_acc__Specification3_spec__1_#t~ret35#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret35#1;havoc __utac_acc__Specification3_spec__1_#t~ret35#1; 1063#L664 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1158#L664-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1157#L711 assume { :end_inline_timeShift } true; 1077#L827-2 [2022-11-25 15:31:31,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:31,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-25 15:31:31,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:31,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63329603] [2022-11-25 15:31:31,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:31,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,390 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:31,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1730824696, now seen corresponding path program 1 times [2022-11-25 15:31:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:31,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028429986] [2022-11-25 15:31:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:31,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,416 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,422 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:31,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:31:31,428 INFO L85 PathProgramCache]: Analyzing trace with hash 916144588, now seen corresponding path program 1 times [2022-11-25 15:31:31,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:31:31,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228791603] [2022-11-25 15:31:31,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:31:31,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:31:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:31,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:31:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,695 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:31:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:31:32,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 03:31:32 BoogieIcfgContainer [2022-11-25 15:31:32,776 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 15:31:32,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:31:32,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:31:32,777 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:31:32,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:31:29" (3/4) ... [2022-11-25 15:31:32,780 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 15:31:32,870 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:31:32,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:31:32,871 INFO L158 Benchmark]: Toolchain (without parser) took 4247.64ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.0MB in the beginning and 132.3MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:31:32,872 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:31:32,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.75ms. Allocated memory is still 138.4MB. Free memory was 100.0MB in the beginning and 82.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 15:31:32,873 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.47ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:31:32,873 INFO L158 Benchmark]: Boogie Preprocessor took 37.52ms. Allocated memory is still 138.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:31:32,873 INFO L158 Benchmark]: RCFGBuilder took 641.45ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 62.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 15:31:32,874 INFO L158 Benchmark]: BuchiAutomizer took 2918.52ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 62.3MB in the beginning and 135.4MB in the end (delta: -73.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2022-11-25 15:31:32,874 INFO L158 Benchmark]: Witness Printer took 93.94ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 132.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:31:32,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 138.4MB. Free memory is still 81.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.75ms. Allocated memory is still 138.4MB. Free memory was 100.0MB in the beginning and 82.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.47ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 79.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.52ms. Allocated memory is still 138.4MB. Free memory was 79.5MB in the beginning and 78.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 641.45ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 62.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2918.52ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 62.3MB in the beginning and 135.4MB in the end (delta: -73.2MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 93.94ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 132.3MB 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 255 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 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 312 StatesRemovedByMinimization, 2 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, 879 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 879 mSDsluCounter, 1341 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1105 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 236 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 827]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___2)) [L863] tmp___1 = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp___1)) [L874] CALL timeShift() [L694] COND FALSE !(\read(pumpRunning)) [L701] COND TRUE \read(systemActive) [L703] FCALL processEnvironment() [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; [L656] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND FALSE !(tmp___0 == 2) [L709] RET __utac_acc__Specification3_spec__1() [L874] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 827]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___2)) [L863] tmp___1 = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp___1)) [L874] CALL timeShift() [L694] COND FALSE !(\read(pumpRunning)) [L701] COND TRUE \read(systemActive) [L703] FCALL processEnvironment() [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; [L656] CALL, EXPR isMethaneLevelCritical() [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND FALSE !(tmp___0 == 2) [L709] RET __utac_acc__Specification3_spec__1() [L874] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 15:31:32,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_854decb7-5e67-421c-af51-60973a1d8b49/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)