./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0 --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 b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:08:52,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:08:52,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:08:52,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:08:52,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:08:52,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:08:52,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:08:52,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:08:52,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:08:52,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:08:52,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:08:52,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:08:52,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:08:52,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:08:52,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:08:52,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:08:52,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:08:52,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:08:52,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:08:52,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:08:52,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:08:52,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:08:52,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:08:52,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:08:52,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:08:52,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:08:52,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:08:52,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:08:52,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:08:52,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:08:52,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:08:52,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:08:52,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:08:52,739 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:08:52,740 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:08:52,740 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:08:52,741 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:08:52,741 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:08:52,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:08:52,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:08:52,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:08:52,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-22 16:08:52,796 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:08:52,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:08:52,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:08:52,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:08:52,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:08:52,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:08:52,799 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:08:52,799 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-22 16:08:52,799 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-22 16:08:52,799 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-22 16:08:52,799 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-22 16:08:52,800 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-22 16:08:52,800 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-22 16:08:52,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:08:52,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:08:52,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 16:08:52,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:08:52,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:08:52,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:08:52,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-22 16:08:52,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-22 16:08:52,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-22 16:08:52,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:08:52,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:08:52,802 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-22 16:08:52,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:08:52,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-22 16:08:52,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:08:52,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:08:52,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:08:52,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:08:52,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:08:52,804 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-22 16:08:52,805 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_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2bdcdf2450fe12dc31eba38670a2ad19cdc8c29d88388843515301032876b8f [2021-11-22 16:08:53,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:08:53,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:08:53,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:08:53,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:08:53,141 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:08:53,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-11-22 16:08:53,234 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/data/6c4579561/ecd8852aab5f42b49f0472bf7754c730/FLAG99448cf21 [2021-11-22 16:08:53,765 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:08:53,766 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c [2021-11-22 16:08:53,780 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/data/6c4579561/ecd8852aab5f42b49f0472bf7754c730/FLAG99448cf21 [2021-11-22 16:08:54,077 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/data/6c4579561/ecd8852aab5f42b49f0472bf7754c730 [2021-11-22 16:08:54,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:08:54,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:08:54,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:08:54,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:08:54,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:08:54,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3868f923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54, skipping insertion in model container [2021-11-22 16:08:54,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:08:54,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:08:54,474 WARN L230 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_cca1943f-04e3-4d60-b72e-0694c53b8ef9/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2021-11-22 16:08:54,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:08:54,486 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:08:54,562 WARN L230 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_cca1943f-04e3-4d60-b72e-0694c53b8ef9/sv-benchmarks/c/product-lines/minepump_spec2_product30.cil.c[17982,17995] [2021-11-22 16:08:54,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:08:54,585 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:08:54,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54 WrapperNode [2021-11-22 16:08:54,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:08:54,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:08:54,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:08:54,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:08:54,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,658 INFO L137 Inliner]: procedures = 56, calls = 157, calls flagged for inlining = 54, calls inlined = 79, statements flattened = 576 [2021-11-22 16:08:54,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:08:54,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:08:54,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:08:54,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:08:54,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:08:54,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:08:54,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:08:54,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:08:54,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (1/1) ... [2021-11-22 16:08:54,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-22 16:08:54,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:08:54,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-22 16:08:54,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-22 16:08:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:08:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:08:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:08:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:08:54,872 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:08:54,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:08:55,275 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:08:55,284 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:08:55,285 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 16:08:55,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:08:55 BoogieIcfgContainer [2021-11-22 16:08:55,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:08:55,288 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-22 16:08:55,288 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-22 16:08:55,292 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-22 16:08:55,293 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:08:55,293 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 04:08:54" (1/3) ... [2021-11-22 16:08:55,294 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69a2ff33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:08:55, skipping insertion in model container [2021-11-22 16:08:55,295 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:08:55,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:08:54" (2/3) ... [2021-11-22 16:08:55,295 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@69a2ff33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 04:08:55, skipping insertion in model container [2021-11-22 16:08:55,295 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-22 16:08:55,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:08:55" (3/3) ... [2021-11-22 16:08:55,297 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product30.cil.c [2021-11-22 16:08:55,344 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-22 16:08:55,344 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-22 16:08:55,344 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-22 16:08:55,345 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-22 16:08:55,345 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-22 16:08:55,345 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-22 16:08:55,345 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-22 16:08:55,345 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-22 16:08:55,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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) [2021-11-22 16:08:55,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2021-11-22 16:08:55,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:08:55,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:08:55,417 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:55,417 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:55,418 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-22 16:08:55,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 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) [2021-11-22 16:08:55,439 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2021-11-22 16:08:55,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:08:55,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:08:55,441 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:55,442 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:55,447 INFO L791 eck$LassoCheckResult]: Stem: 140#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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 51#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 29#L441true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 26#L434true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 86#L449true main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 61#L543true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 103#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 126#L941true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 71#L662-2true [2021-11-22 16:08:55,448 INFO L793 eck$LassoCheckResult]: Loop: 71#L662-2true assume !false; 24#L663true assume test_~splverifierCounter~0#1 < 4; 47#L664true test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 132#L672true assume !(0 != test_~tmp~4#1); 23#L672-2true test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 90#L682true assume !(0 != test_~tmp___0~0#1); 14#L682-2true test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 46#L692true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 77#L700true assume 0 != test_~tmp___1~0#1; 116#L700-2true assume { :begin_inline_timeShift } true; 72#L730true assume !(0 != ~pumpRunning~0); 66#L730-2true assume !(0 != ~systemActive~0); 43#L737-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 67#L605-1true __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 155#L952true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 153#L952-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 17#L747true assume { :end_inline_timeShift } true; 71#L662-2true [2021-11-22 16:08:55,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:55,468 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2021-11-22 16:08:55,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:55,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587747722] [2021-11-22 16:08:55,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:55,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:55,648 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:08:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:55,726 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:08:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:55,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1793514550, now seen corresponding path program 1 times [2021-11-22 16:08:55,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:55,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549227434] [2021-11-22 16:08:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:55,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:55,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:55,738 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:08:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:55,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:08:55,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:55,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1765511169, now seen corresponding path program 1 times [2021-11-22 16:08:55,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:55,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419506622] [2021-11-22 16:08:55,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:55,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:08:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:08:55,919 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:08:55,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419506622] [2021-11-22 16:08:55,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419506622] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:08:55,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:08:55,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:08:55,921 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316463250] [2021-11-22 16:08:55,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:08:56,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:08:56,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:08:56,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:08:56,102 INFO L87 Difference]: Start difference. First operand has 155 states, 154 states have (on average 1.3571428571428572) internal successors, (209), 154 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:08:56,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:08:56,177 INFO L93 Difference]: Finished difference Result 152 states and 195 transitions. [2021-11-22 16:08:56,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:08:56,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 152 states and 195 transitions. [2021-11-22 16:08:56,193 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2021-11-22 16:08:56,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 152 states to 142 states and 185 transitions. [2021-11-22 16:08:56,201 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 142 [2021-11-22 16:08:56,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 142 [2021-11-22 16:08:56,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 142 states and 185 transitions. [2021-11-22 16:08:56,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-22 16:08:56,205 INFO L681 BuchiCegarLoop]: Abstraction has 142 states and 185 transitions. [2021-11-22 16:08:56,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states and 185 transitions. [2021-11-22 16:08:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2021-11-22 16:08:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 142 states have (on average 1.3028169014084507) internal successors, (185), 141 states have internal predecessors, (185), 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) [2021-11-22 16:08:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 185 transitions. [2021-11-22 16:08:56,243 INFO L704 BuchiCegarLoop]: Abstraction has 142 states and 185 transitions. [2021-11-22 16:08:56,243 INFO L587 BuchiCegarLoop]: Abstraction has 142 states and 185 transitions. [2021-11-22 16:08:56,243 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-22 16:08:56,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 142 states and 185 transitions. [2021-11-22 16:08:56,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 95 [2021-11-22 16:08:56,248 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-22 16:08:56,248 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-22 16:08:56,249 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:56,249 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:08:56,249 INFO L791 eck$LassoCheckResult]: Stem: 466#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);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 405#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 370#L441 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 365#L434 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 366#L449 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 415#L543 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 416#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 454#L941 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet34#1, test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 350#L662-2 [2021-11-22 16:08:56,250 INFO L793 eck$LassoCheckResult]: Loop: 350#L662-2 assume !false; 361#L663 assume test_~splverifierCounter~0#1 < 4; 362#L664 test_~tmp~4#1 := test_#t~nondet34#1;havoc test_#t~nondet34#1; 398#L672 assume !(0 != test_~tmp~4#1); 348#L672-2 test_~tmp___0~0#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1; 360#L682 assume !(0 != test_~tmp___0~0#1); 328#L682-2 test_~tmp___2~0#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1; 344#L692 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 396#L922 assume { :end_inline_startSystem } true; 435#L700-2 assume { :begin_inline_timeShift } true; 427#L730 assume !(0 != ~pumpRunning~0); 385#L730-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 422#L788 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret38#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 356#L762-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 358#L754-3 assume { :end_inline_processEnvironment__wrappee__base } true; 436#L762-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 381#L788-1 assume { :end_inline_processEnvironment } true; 389#L737-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret51#1, __utac_acc__Specification2_spec__2_#t~ret52#1, __utac_acc__Specification2_spec__2_~tmp~9#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~9#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 390#L605-1 __utac_acc__Specification2_spec__2_#t~ret51#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9#1 := __utac_acc__Specification2_spec__2_#t~ret51#1;havoc __utac_acc__Specification2_spec__2_#t~ret51#1; 421#L952 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9#1);~methAndRunningLastTime~0 := 0; 438#L952-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 349#L747 assume { :end_inline_timeShift } true; 350#L662-2 [2021-11-22 16:08:56,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:56,250 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2021-11-22 16:08:56,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:56,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825433072] [2021-11-22 16:08:56,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:56,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:56,266 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:08:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:56,286 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:08:56,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:56,287 INFO L85 PathProgramCache]: Analyzing trace with hash 458054121, now seen corresponding path program 1 times [2021-11-22 16:08:56,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:56,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544682664] [2021-11-22 16:08:56,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:56,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:56,294 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:08:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:56,303 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:08:56,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:08:56,304 INFO L85 PathProgramCache]: Analyzing trace with hash 900266002, now seen corresponding path program 1 times [2021-11-22 16:08:56,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:08:56,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183270447] [2021-11-22 16:08:56,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:08:56,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:08:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:56,322 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 16:08:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 16:08:56,346 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 16:08:59,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 04:08:59 BoogieIcfgContainer [2021-11-22 16:08:59,947 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-22 16:08:59,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:08:59,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:08:59,948 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:08:59,948 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:08:55" (3/4) ... [2021-11-22 16:08:59,951 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-22 16:09:00,025 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 16:09:00,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:09:00,027 INFO L158 Benchmark]: Toolchain (without parser) took 5945.37ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 81.4MB in the beginning and 65.7MB in the end (delta: 15.7MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2021-11-22 16:09:00,027 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:09:00,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.22ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 86.7MB in the end (delta: -5.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 16:09:00,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.99ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 83.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:09:00,029 INFO L158 Benchmark]: Boogie Preprocessor took 38.80ms. Allocated memory is still 119.5MB. Free memory was 83.7MB in the beginning and 81.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 16:09:00,029 INFO L158 Benchmark]: RCFGBuilder took 588.69ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 60.6MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 16:09:00,030 INFO L158 Benchmark]: BuchiAutomizer took 4658.44ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 60.1MB in the beginning and 68.8MB in the end (delta: -8.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2021-11-22 16:09:00,031 INFO L158 Benchmark]: Witness Printer took 78.47ms. Allocated memory is still 153.1MB. Free memory was 68.8MB in the beginning and 65.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:09:00,033 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 119.5MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.22ms. Allocated memory is still 119.5MB. Free memory was 81.2MB in the beginning and 86.7MB in the end (delta: -5.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.99ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 83.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.80ms. Allocated memory is still 119.5MB. Free memory was 83.7MB in the beginning and 81.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 588.69ms. Allocated memory is still 119.5MB. Free memory was 81.0MB in the beginning and 60.6MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4658.44ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 60.1MB in the beginning and 68.8MB in the end (delta: -8.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 78.47ms. Allocated memory is still 153.1MB. Free memory was 68.8MB in the beginning and 65.7MB 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 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 142 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 142 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 572 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 572 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 190 mSDtfsCounter, 8 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 662]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5eca23e9=0, pumpRunning=0, tmp___0=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6aeea312=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@128391c5=0, tmp=0, methaneLevelCritical=0, tmp=0, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c1b4b60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41cc99df=29, \result=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a70864b=0, retValue_acc=0, tmp___2=29, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14cd587d=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ef549d5=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@692de924=0, tmp=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 662]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L562] int waterLevel = 1; [L563] int methaneLevelCritical = 0; [L722] int pumpRunning = 0; [L723] int systemActive = 1; [L935] int methAndRunningLastTime ; [L534] int retValue_acc ; [L535] int tmp ; [L539] FCALL select_helpers() [L540] FCALL select_features() [L541] CALL, EXPR valid_product() [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); [L541] RET, EXPR valid_product() [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L545] FCALL setup() [L546] CALL runTest() [L527] CALL __utac_acc__Specification2_spec__1() [L940] methAndRunningLastTime = 0 [L527] RET __utac_acc__Specification2_spec__1() [L528] CALL test() [L653] int splverifierCounter ; [L654] int tmp ; [L655] int tmp___0 ; [L656] int tmp___1 ; [L657] int tmp___2 ; [L660] splverifierCounter = 0 Loop: [L662] COND TRUE 1 [L664] COND TRUE splverifierCounter < 4 [L670] tmp = __VERIFIER_nondet_int() [L672] COND FALSE !(\read(tmp)) [L680] tmp___0 = __VERIFIER_nondet_int() [L682] COND FALSE !(\read(tmp___0)) [L690] tmp___2 = __VERIFIER_nondet_int() [L692] COND TRUE \read(tmp___2) [L694] CALL startSystem() [L921] systemActive = 1 [L694] RET startSystem() [L707] CALL timeShift() [L730] COND FALSE !(\read(pumpRunning)) [L737] COND TRUE \read(systemActive) [L739] CALL processEnvironment() [L785] int tmp ; [L788] COND FALSE !(\read(pumpRunning)) [L803] CALL processEnvironment__wrappee__methaneQuery() [L759] int tmp ; [L762] COND FALSE !(\read(pumpRunning)) [L777] FCALL processEnvironment__wrappee__base() [L803] RET processEnvironment__wrappee__methaneQuery() [L739] RET processEnvironment() [L745] CALL __utac_acc__Specification2_spec__2() [L945] int tmp ; [L946] int tmp___0 ; [L950] CALL, EXPR isMethaneLevelCritical() [L601] int retValue_acc ; [L604] retValue_acc = methaneLevelCritical [L605] return (retValue_acc); [L950] RET, EXPR isMethaneLevelCritical() [L950] tmp = isMethaneLevelCritical() [L952] COND FALSE !(\read(tmp)) [L968] methAndRunningLastTime = 0 [L745] RET __utac_acc__Specification2_spec__2() [L707] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-22 16:09:00,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cca1943f-04e3-4d60-b72e-0694c53b8ef9/bin/uautomizer-w2VwFs6gM0/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)