./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN --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 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b --- 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-6b4ec56 [2022-11-20 12:11:08,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:11:08,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:11:08,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:11:08,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:11:08,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:11:08,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:11:08,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:11:08,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:11:08,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:11:08,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:11:08,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:11:08,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:11:08,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:11:08,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:11:08,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:11:08,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:11:08,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:11:08,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:11:08,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:11:08,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:11:08,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:11:08,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:11:08,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:11:08,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:11:08,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:11:08,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:11:08,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:11:08,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:11:08,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:11:08,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:11:08,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:11:08,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:11:08,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:11:08,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:11:08,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:11:08,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:11:08,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:11:08,808 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:11:08,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:11:08,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:11:08,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 12:11:08,844 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:11:08,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:11:08,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:11:08,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:11:08,850 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:11:08,851 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:11:08,851 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:11:08,851 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:11:08,851 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:11:08,852 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:11:08,853 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:11:08,853 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:11:08,853 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:11:08,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:11:08,853 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 12:11:08,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:11:08,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:11:08,854 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 12:11:08,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:11:08,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:11:08,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:11:08,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:11:08,855 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 12:11:08,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:11:08,856 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:11:08,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:11:08,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:11:08,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:11:08,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:11:08,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:11:08,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:11:08,859 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:11:08,860 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_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95fb667c50ce40c1d7afa8c63adccd31fb19279643632f3d92a2ca85ced3f32b [2022-11-20 12:11:09,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:11:09,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:11:09,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:11:09,169 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:11:09,170 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:11:09,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2022-11-20 12:11:12,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:11:12,500 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:11:12,501 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c [2022-11-20 12:11:12,527 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/data/70393bc71/e72edef9e5e044e68a8803fb0d7f52ba/FLAGa3fde7a29 [2022-11-20 12:11:12,559 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/data/70393bc71/e72edef9e5e044e68a8803fb0d7f52ba [2022-11-20 12:11:12,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:11:12,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:11:12,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:11:12,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:11:12,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:11:12,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:12,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34430ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12, skipping insertion in model container [2022-11-20 12:11:12,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:12,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:11:12,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:11:12,798 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_3cbb8098-2541-45a1-b686-a4b84e704d91/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2022-11-20 12:11:12,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:11:12,874 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:11:12,893 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_3cbb8098-2541-45a1-b686-a4b84e704d91/sv-benchmarks/c/product-lines/minepump_spec4_product07.cil.c[3350,3363] [2022-11-20 12:11:12,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:11:12,965 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:11:12,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12 WrapperNode [2022-11-20 12:11:12,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:11:12,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:11:12,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:11:12,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:11:12,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:12,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,017 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 47, calls inlined = 49, statements flattened = 310 [2022-11-20 12:11:13,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:11:13,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:11:13,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:11:13,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:11:13,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:11:13,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:11:13,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:11:13,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:11:13,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (1/1) ... [2022-11-20 12:11:13,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:11:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:11:13,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:11:13,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:11:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:11:13,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:11:13,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:11:13,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:11:13,219 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:11:13,222 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:11:13,559 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:11:13,566 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:11:13,566 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 12:11:13,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:11:13 BoogieIcfgContainer [2022-11-20 12:11:13,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:11:13,570 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:11:13,570 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:11:13,574 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:11:13,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:11:13,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:11:12" (1/3) ... [2022-11-20 12:11:13,576 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19d7a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:11:13, skipping insertion in model container [2022-11-20 12:11:13,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:11:13,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:11:12" (2/3) ... [2022-11-20 12:11:13,577 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@19d7a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:11:13, skipping insertion in model container [2022-11-20 12:11:13,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:11:13,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:11:13" (3/3) ... [2022-11-20 12:11:13,578 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product07.cil.c [2022-11-20 12:11:13,636 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:11:13,637 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:11:13,637 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:11:13,637 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:11:13,637 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:11:13,638 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:11:13,638 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:11:13,638 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:11:13,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2022-11-20 12:11:13,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-11-20 12:11:13,666 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:11:13,666 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:11:13,672 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:11:13,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:11:13,673 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:11:13,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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) [2022-11-20 12:11:13,680 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-11-20 12:11:13,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:11:13,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:11:13,681 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:11:13,681 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:11:13,686 INFO L748 eck$LassoCheckResult]: Stem: 88#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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 27#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 42#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 92#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 18#L83true main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 5#L175true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 63#L151true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 68#L686-2true [2022-11-20 12:11:13,686 INFO L750 eck$LassoCheckResult]: Loop: 68#L686-2true assume !false; 37#L687true assume test_~splverifierCounter~0#1 < 4; 77#L688true test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 29#L696true assume !(0 != test_~tmp~5#1); 17#L696-2true test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 84#L706true assume !(0 != test_~tmp___0~1#1); 76#L706-2true test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 30#L716true assume 0 != test_~tmp___2~0#1; 98#L722-2true assume { :begin_inline_timeShift } true; 52#L752true assume !(0 != ~pumpRunning~0); 53#L752-2true assume !(0 != ~systemActive~0); 16#L759-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 97#L277true __utac_acc__Specification4_spec__1_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; 58#L291true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 35#L291-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 28#L769true assume { :end_inline_timeShift } true; 68#L686-2true [2022-11-20 12:11:13,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:11:13,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-20 12:11:13,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:11:13,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102519789] [2022-11-20 12:11:13,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:11:13,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:11:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:13,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:11:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:13,850 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:11:13,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:11:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1841869244, now seen corresponding path program 1 times [2022-11-20 12:11:13,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:11:13,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386547308] [2022-11-20 12:11:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:11:13,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:11:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:13,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:11:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:13,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:11:13,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:11:13,875 INFO L85 PathProgramCache]: Analyzing trace with hash -486450168, now seen corresponding path program 1 times [2022-11-20 12:11:13,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:11:13,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891576834] [2022-11-20 12:11:13,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:11:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:11:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:11:14,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:11:14,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:11:14,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891576834] [2022-11-20 12:11:14,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891576834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:11:14,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:11:14,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:11:14,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448387935] [2022-11-20 12:11:14,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:11:14,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:11:14,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:11:14,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:11:14,293 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-11-20 12:11:14,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:11:14,419 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2022-11-20 12:11:14,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2022-11-20 12:11:14,429 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2022-11-20 12:11:14,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2022-11-20 12:11:14,437 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2022-11-20 12:11:14,438 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2022-11-20 12:11:14,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2022-11-20 12:11:14,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:11:14,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 221 states and 287 transitions. [2022-11-20 12:11:14,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2022-11-20 12:11:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2022-11-20 12:11:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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) [2022-11-20 12:11:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2022-11-20 12:11:14,479 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-11-20 12:11:14,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:11:14,492 INFO L428 stractBuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-11-20 12:11:14,492 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:11:14,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2022-11-20 12:11:14,495 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2022-11-20 12:11:14,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:11:14,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:11:14,503 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:11:14,503 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:11:14,503 INFO L748 eck$LassoCheckResult]: Stem: 451#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);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 442#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~retValue_acc~2#1, main_~tmp~0#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 443#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 454#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 427#L83 main_#t~ret5#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1; 371#L175 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 372#L151 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 407#L686-2 [2022-11-20 12:11:14,504 INFO L750 eck$LassoCheckResult]: Loop: 407#L686-2 assume !false; 412#L687 assume test_~splverifierCounter~0#1 < 4; 436#L688 test_~tmp~5#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 437#L696 assume !(0 != test_~tmp~5#1); 422#L696-2 test_~tmp___0~1#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 423#L706 assume !(0 != test_~tmp___0~1#1); 404#L706-2 test_~tmp___2~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 434#L716 assume 0 != test_~tmp___2~0#1; 448#L722-2 assume { :begin_inline_timeShift } true; 375#L752 assume !(0 != ~pumpRunning~0); 376#L752-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 378#L784 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 379#L776-1 assume { :end_inline_processEnvironment__wrappee__base } true; 380#L784-1 assume { :end_inline_processEnvironment } true; 419#L759-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret11#1, __utac_acc__Specification4_spec__1_#t~ret12#1, __utac_acc__Specification4_spec__1_~tmp~1#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~1#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 420#L277 __utac_acc__Specification4_spec__1_#t~ret11#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~1#1 := __utac_acc__Specification4_spec__1_#t~ret11#1;havoc __utac_acc__Specification4_spec__1_#t~ret11#1; 395#L291 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1#1); 384#L291-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 445#L769 assume { :end_inline_timeShift } true; 407#L686-2 [2022-11-20 12:11:14,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:11:14,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-20 12:11:14,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:11:14,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364092502] [2022-11-20 12:11:14,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:11:14,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:11:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:14,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:11:14,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:14,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:11:14,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:11:14,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1752585458, now seen corresponding path program 1 times [2022-11-20 12:11:14,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:11:14,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103106246] [2022-11-20 12:11:14,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:11:14,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:11:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:14,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:11:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:14,544 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:11:14,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:11:14,545 INFO L85 PathProgramCache]: Analyzing trace with hash 549557962, now seen corresponding path program 1 times [2022-11-20 12:11:14,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:11:14,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955984021] [2022-11-20 12:11:14,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:11:14,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:11:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:14,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:11:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:14,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:11:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:15,614 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:11:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:11:15,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:11:15 BoogieIcfgContainer [2022-11-20 12:11:15,678 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:11:15,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:11:15,679 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:11:15,679 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:11:15,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:11:13" (3/4) ... [2022-11-20 12:11:15,682 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 12:11:15,724 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:11:15,724 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:11:15,725 INFO L158 Benchmark]: Toolchain (without parser) took 3158.97ms. Allocated memory is still 186.6MB. Free memory was 159.1MB in the beginning and 90.1MB in the end (delta: 69.0MB). Peak memory consumption was 69.8MB. Max. memory is 16.1GB. [2022-11-20 12:11:15,726 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:11:15,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.87ms. Allocated memory is still 186.6MB. Free memory was 158.9MB in the beginning and 140.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:11:15,726 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.15ms. Allocated memory is still 186.6MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:11:15,727 INFO L158 Benchmark]: Boogie Preprocessor took 28.73ms. Allocated memory is still 186.6MB. Free memory was 138.2MB in the beginning and 136.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:11:15,727 INFO L158 Benchmark]: RCFGBuilder took 520.57ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 119.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:11:15,728 INFO L158 Benchmark]: BuchiAutomizer took 2108.18ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 93.3MB in the end (delta: 26.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2022-11-20 12:11:15,728 INFO L158 Benchmark]: Witness Printer took 46.29ms. Allocated memory is still 186.6MB. Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:11:15,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.87ms. Allocated memory is still 186.6MB. Free memory was 158.9MB in the beginning and 140.9MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.15ms. Allocated memory is still 186.6MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.73ms. Allocated memory is still 186.6MB. Free memory was 138.2MB in the beginning and 136.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 520.57ms. Allocated memory is still 186.6MB. Free memory was 136.1MB in the beginning and 119.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 2108.18ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 93.3MB in the end (delta: 26.1MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 46.29ms. Allocated memory is still 186.6MB. Free memory was 93.3MB in the beginning and 90.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 82 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 545 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 545 mSDsluCounter, 683 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 565 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 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: 686]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L88] int cleanupTimeShifts = 4; [L202] int waterLevel = 1; [L203] int methaneLevelCritical = 0; [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L745] int pumpRunning = 0; [L746] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L731] CALL timeShift() [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L761] CALL processEnvironment() [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L799] FCALL processEnvironment__wrappee__base() [L761] RET processEnvironment() [L767] CALL __utac_acc__Specification4_spec__1() [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR getWaterLevel() [L273] int retValue_acc ; [L276] retValue_acc = waterLevel [L277] return (retValue_acc); [L289] RET, EXPR getWaterLevel() [L289] tmp = getWaterLevel() [L291] COND FALSE !(tmp == 0) [L767] RET __utac_acc__Specification4_spec__1() [L731] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 686]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L88] int cleanupTimeShifts = 4; [L202] int waterLevel = 1; [L203] int methaneLevelCritical = 0; [L478] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L745] int pumpRunning = 0; [L746] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L166] int retValue_acc ; [L167] int tmp ; [L171] FCALL select_helpers() [L172] FCALL select_features() [L173] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L173] RET, EXPR valid_product() [L173] tmp = valid_product() [L175] COND TRUE \read(tmp) [L177] FCALL setup() [L178] CALL runTest() [L160] CALL test() [L677] int splverifierCounter ; [L678] int tmp ; [L679] int tmp___0 ; [L680] int tmp___1 ; [L681] int tmp___2 ; [L684] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L686] COND TRUE 1 [L688] COND TRUE splverifierCounter < 4 [L694] tmp = __VERIFIER_nondet_int() [L696] COND FALSE !(\read(tmp)) [L704] tmp___0 = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp___0)) [L714] tmp___2 = __VERIFIER_nondet_int() [L716] COND TRUE \read(tmp___2) [L731] CALL timeShift() [L752] COND FALSE !(\read(pumpRunning)) [L759] COND TRUE \read(systemActive) [L761] CALL processEnvironment() [L781] int tmp ; [L784] COND FALSE !(\read(pumpRunning)) [L799] FCALL processEnvironment__wrappee__base() [L761] RET processEnvironment() [L767] CALL __utac_acc__Specification4_spec__1() [L284] int tmp ; [L285] int tmp___0 ; [L289] CALL, EXPR getWaterLevel() [L273] int retValue_acc ; [L276] retValue_acc = waterLevel [L277] return (retValue_acc); [L289] RET, EXPR getWaterLevel() [L289] tmp = getWaterLevel() [L291] COND FALSE !(tmp == 0) [L767] RET __utac_acc__Specification4_spec__1() [L731] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 12:11:15,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbb8098-2541-45a1-b686-a4b84e704d91/bin/uautomizer-ug76WZFUDN/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)