./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS --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 dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a --- 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-4e7fbc6 [2022-11-23 03:20:43,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:20:43,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:20:43,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:20:43,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:20:43,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:20:43,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:20:43,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:20:43,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:20:43,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:20:43,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:20:43,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:20:43,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:20:43,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:20:43,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:20:43,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:20:43,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:20:43,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:20:43,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:20:43,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:20:43,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:20:43,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:20:43,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:20:43,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:20:43,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:20:43,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:20:43,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:20:43,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:20:43,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:20:43,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:20:43,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:20:43,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:20:43,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:20:43,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:20:43,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:20:43,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:20:43,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:20:43,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:20:43,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:20:43,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:20:43,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:20:43,140 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 03:20:43,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:20:43,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:20:43,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:20:43,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:20:43,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:20:43,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:20:43,192 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:20:43,192 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 03:20:43,193 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 03:20:43,193 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 03:20:43,193 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 03:20:43,193 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 03:20:43,194 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 03:20:43,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:20:43,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 03:20:43,194 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 03:20:43,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:20:43,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 03:20:43,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:20:43,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 03:20:43,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 03:20:43,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 03:20:43,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 03:20:43,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:20:43,197 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 03:20:43,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:20:43,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 03:20:43,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:20:43,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:20:43,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:20:43,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:20:43,199 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 03:20:43,200 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_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dae9a870dcbd894d53325794bcd1e36e0da0523a0c6f117be41bebebda51818a [2022-11-23 03:20:43,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:20:43,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:20:43,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:20:43,526 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:20:43,527 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:20:43,528 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2022-11-23 03:20:46,715 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:20:47,028 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:20:47,029 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c [2022-11-23 03:20:47,048 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/data/c470b10da/17c6dfe4920d4f00b35f99a42b744237/FLAG3ba225f84 [2022-11-23 03:20:47,064 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/data/c470b10da/17c6dfe4920d4f00b35f99a42b744237 [2022-11-23 03:20:47,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:20:47,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:20:47,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:20:47,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:20:47,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:20:47,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d0cc227 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47, skipping insertion in model container [2022-11-23 03:20:47,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:20:47,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:20:47,295 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_264bcfb9-c422-4c14-ba56-a9cd9498474b/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1605,1618] [2022-11-23 03:20:47,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:20:47,471 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:20:47,486 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_264bcfb9-c422-4c14-ba56-a9cd9498474b/sv-benchmarks/c/product-lines/minepump_spec1_product36.cil.c[1605,1618] [2022-11-23 03:20:47,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:20:47,558 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:20:47,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47 WrapperNode [2022-11-23 03:20:47,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:20:47,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:20:47,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:20:47,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:20:47,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,616 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 49, calls inlined = 50, statements flattened = 343 [2022-11-23 03:20:47,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:20:47,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:20:47,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:20:47,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:20:47,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:20:47,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:20:47,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:20:47,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:20:47,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (1/1) ... [2022-11-23 03:20:47,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 03:20:47,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:20:47,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 03:20:47,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 03:20:47,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:20:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:20:47,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:20:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:20:47,846 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:20:47,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:20:48,182 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:20:48,189 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:20:48,197 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 03:20:48,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:48 BoogieIcfgContainer [2022-11-23 03:20:48,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:20:48,200 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 03:20:48,200 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 03:20:48,204 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 03:20:48,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:20:48,213 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:20:47" (1/3) ... [2022-11-23 03:20:48,214 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@497f62d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:20:48, skipping insertion in model container [2022-11-23 03:20:48,214 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:20:48,214 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:47" (2/3) ... [2022-11-23 03:20:48,215 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@497f62d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:20:48, skipping insertion in model container [2022-11-23 03:20:48,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 03:20:48,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:48" (3/3) ... [2022-11-23 03:20:48,217 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2022-11-23 03:20:48,281 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 03:20:48,281 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 03:20:48,281 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 03:20:48,281 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 03:20:48,281 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 03:20:48,281 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 03:20:48,281 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 03:20:48,281 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 03:20:48,288 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 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) [2022-11-23 03:20:48,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-23 03:20:48,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:20:48,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:20:48,341 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:48,341 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:48,341 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 03:20:48,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 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) [2022-11-23 03:20:48,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-11-23 03:20:48,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:20:48,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:20:48,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:48,361 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:48,367 INFO L748 eck$LassoCheckResult]: Stem: 93#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 34#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 79#L438true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 103#L431true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 87#L446true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 68#L925true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 82#L902true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 31#L354-2true [2022-11-23 03:20:48,367 INFO L750 eck$LassoCheckResult]: Loop: 31#L354-2true assume !false; 29#L355true assume test_~splverifierCounter~0#1 < 4; 74#L356true test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 105#L364true assume !(0 != test_~tmp~2#1); 3#L364-2true test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 111#L374true assume !(0 != test_~tmp___0~1#1); 15#L374-2true test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 109#L384true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 44#L392true assume !(0 != test_~tmp___1~0#1); 12#L392-2true assume { :begin_inline_timeShift } true; 21#L78true assume !(0 != ~pumpRunning~0); 41#L78-2true assume !(0 != ~systemActive~0); 48#L85-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 76#L292true __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 99#L825true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 13#L825-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 73#L95true assume { :end_inline_timeShift } true; 31#L354-2true [2022-11-23 03:20:48,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:48,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-23 03:20:48,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:48,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732611919] [2022-11-23 03:20:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:48,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:48,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:48,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:48,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1528751567, now seen corresponding path program 1 times [2022-11-23 03:20:48,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:48,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173839952] [2022-11-23 03:20:48,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:48,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:48,591 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:48,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:48,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:48,604 INFO L85 PathProgramCache]: Analyzing trace with hash 597069963, now seen corresponding path program 1 times [2022-11-23 03:20:48,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:48,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255885727] [2022-11-23 03:20:48,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:48,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:48,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:48,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:20:48,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255885727] [2022-11-23 03:20:48,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255885727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:20:48,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:20:48,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:20:48,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103250512] [2022-11-23 03:20:48,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:20:49,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:20:49,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:20:49,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:20:49,137 INFO L87 Difference]: Start difference. First operand has 110 states, 109 states have (on average 1.3761467889908257) internal successors, (150), 109 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 03:20:49,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:20:49,291 INFO L93 Difference]: Finished difference Result 369 states and 476 transitions. [2022-11-23 03:20:49,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 369 states and 476 transitions. [2022-11-23 03:20:49,298 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 238 [2022-11-23 03:20:49,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 369 states to 329 states and 436 transitions. [2022-11-23 03:20:49,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 329 [2022-11-23 03:20:49,309 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 329 [2022-11-23 03:20:49,314 INFO L73 IsDeterministic]: Start isDeterministic. Operand 329 states and 436 transitions. [2022-11-23 03:20:49,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:20:49,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 329 states and 436 transitions. [2022-11-23 03:20:49,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states and 436 transitions. [2022-11-23 03:20:49,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 149. [2022-11-23 03:20:49,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 149 states have (on average 1.3221476510067114) internal successors, (197), 148 states have internal predecessors, (197), 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) [2022-11-23 03:20:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 197 transitions. [2022-11-23 03:20:49,357 INFO L240 hiAutomatonCegarLoop]: Abstraction has 149 states and 197 transitions. [2022-11-23 03:20:49,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 03:20:49,362 INFO L428 stractBuchiCegarLoop]: Abstraction has 149 states and 197 transitions. [2022-11-23 03:20:49,362 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 03:20:49,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 149 states and 197 transitions. [2022-11-23 03:20:49,364 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 107 [2022-11-23 03:20:49,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:20:49,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:20:49,365 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:49,365 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:49,366 INFO L748 eck$LassoCheckResult]: Stem: 591#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 547#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 548#L438 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 587#L431 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 590#L446 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 578#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 579#L902 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 545#L354-2 [2022-11-23 03:20:49,366 INFO L750 eck$LassoCheckResult]: Loop: 545#L354-2 assume !false; 540#L355 assume test_~splverifierCounter~0#1 < 4; 541#L356 test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 584#L364 assume !(0 != test_~tmp~2#1); 497#L364-2 test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 498#L374 assume !(0 != test_~tmp___0~1#1); 520#L374-2 test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 521#L384 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 594#L242 assume { :end_inline_startSystem } true; 515#L392-2 assume { :begin_inline_timeShift } true; 516#L78 assume !(0 != ~pumpRunning~0); 530#L78-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 559#L110 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 527#L102-1 assume { :end_inline_processEnvironment__wrappee__base } true; 519#L110-1 assume { :end_inline_processEnvironment } true; 526#L85-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 567#L292 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 585#L825 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 511#L825-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 517#L95 assume { :end_inline_timeShift } true; 545#L354-2 [2022-11-23 03:20:49,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:49,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-23 03:20:49,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:49,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590553124] [2022-11-23 03:20:49,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:49,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,388 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:49,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:49,389 INFO L85 PathProgramCache]: Analyzing trace with hash -563664077, now seen corresponding path program 1 times [2022-11-23 03:20:49,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:49,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706904043] [2022-11-23 03:20:49,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:49,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:49,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 03:20:49,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:20:49,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706904043] [2022-11-23 03:20:49,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706904043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:20:49,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:20:49,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 03:20:49,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137552013] [2022-11-23 03:20:49,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:20:49,414 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-23 03:20:49,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:20:49,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 03:20:49,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 03:20:49,415 INFO L87 Difference]: Start difference. First operand 149 states and 197 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-23 03:20:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:20:49,468 INFO L93 Difference]: Finished difference Result 197 states and 249 transitions. [2022-11-23 03:20:49,468 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 197 states and 249 transitions. [2022-11-23 03:20:49,470 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2022-11-23 03:20:49,472 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 197 states to 197 states and 249 transitions. [2022-11-23 03:20:49,472 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 197 [2022-11-23 03:20:49,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 197 [2022-11-23 03:20:49,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 197 states and 249 transitions. [2022-11-23 03:20:49,473 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 03:20:49,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 197 states and 249 transitions. [2022-11-23 03:20:49,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states and 249 transitions. [2022-11-23 03:20:49,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2022-11-23 03:20:49,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 197 states have (on average 1.263959390862944) internal successors, (249), 196 states have internal predecessors, (249), 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) [2022-11-23 03:20:49,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 249 transitions. [2022-11-23 03:20:49,483 INFO L240 hiAutomatonCegarLoop]: Abstraction has 197 states and 249 transitions. [2022-11-23 03:20:49,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 03:20:49,485 INFO L428 stractBuchiCegarLoop]: Abstraction has 197 states and 249 transitions. [2022-11-23 03:20:49,485 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 03:20:49,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states and 249 transitions. [2022-11-23 03:20:49,487 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2022-11-23 03:20:49,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 03:20:49,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 03:20:49,488 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:49,488 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:20:49,488 INFO L748 eck$LassoCheckResult]: Stem: 954#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 900#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 901#L438 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 946#L431 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 953#L446 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 936#L925 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 937#L902 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~2#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~2#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 948#L354-2 [2022-11-23 03:20:49,489 INFO L750 eck$LassoCheckResult]: Loop: 948#L354-2 assume !false; 1014#L355 assume test_~splverifierCounter~0#1 < 4; 942#L356 test_~tmp~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 943#L364 assume !(0 != test_~tmp~2#1); 849#L364-2 test_~tmp___0~1#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 850#L374 assume !(0 != test_~tmp___0~1#1); 871#L374-2 test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 872#L384 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1037#L392 assume !(0 != test_~tmp___1~0#1); 960#L392-2 assume { :begin_inline_timeShift } true; 882#L78 assume !(0 != ~pumpRunning~0); 883#L78-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret4#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 912#L110 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret14#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~1#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~1#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~5#1;havoc isHighWaterSensorDry_~retValue_acc~5#1; 887#L332 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~5#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~5#1; 888#L337 isHighWaterLevel_#t~ret14#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~1#1 := isHighWaterLevel_#t~ret14#1;havoc isHighWaterLevel_#t~ret14#1; 929#L212 assume 0 != isHighWaterLevel_~tmp~1#1;isHighWaterLevel_~tmp___0~0#1 := 0; 930#L212-2 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 902#L218 processEnvironment_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret4#1;havoc processEnvironment_#t~ret4#1; 903#L114 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 915#L102 assume { :end_inline_processEnvironment__wrappee__base } true; 877#L110-1 assume { :end_inline_processEnvironment } true; 878#L85-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_#t~ret49#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1; 1020#L292 __utac_acc__Specification1_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; 1017#L825 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1); 1016#L825-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1015#L95 assume { :end_inline_timeShift } true; 948#L354-2 [2022-11-23 03:20:49,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:49,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-23 03:20:49,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:49,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781810011] [2022-11-23 03:20:49,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:49,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:49,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:49,511 INFO L85 PathProgramCache]: Analyzing trace with hash -45060083, now seen corresponding path program 1 times [2022-11-23 03:20:49,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:49,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453463342] [2022-11-23 03:20:49,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:49,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,559 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:49,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:49,560 INFO L85 PathProgramCache]: Analyzing trace with hash -171501359, now seen corresponding path program 1 times [2022-11-23 03:20:49,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:49,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874031175] [2022-11-23 03:20:49,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:49,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,584 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:49,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 03:20:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:51,013 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 03:20:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 03:20:51,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:20:51 BoogieIcfgContainer [2022-11-23 03:20:51,096 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 03:20:51,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 03:20:51,099 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 03:20:51,099 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 03:20:51,100 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:48" (3/4) ... [2022-11-23 03:20:51,102 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-23 03:20:51,181 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 03:20:51,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 03:20:51,183 INFO L158 Benchmark]: Toolchain (without parser) took 4114.07ms. Allocated memory is still 155.2MB. Free memory was 125.0MB in the beginning and 86.5MB in the end (delta: 38.5MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-23 03:20:51,184 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:20:51,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 486.07ms. Allocated memory is still 155.2MB. Free memory was 124.6MB in the beginning and 106.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 03:20:51,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.13ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 03:20:51,185 INFO L158 Benchmark]: Boogie Preprocessor took 35.30ms. Allocated memory is still 155.2MB. Free memory was 103.6MB in the beginning and 101.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:20:51,185 INFO L158 Benchmark]: RCFGBuilder took 546.23ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 84.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-23 03:20:51,187 INFO L158 Benchmark]: BuchiAutomizer took 2896.49ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 88.6MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 03:20:51,189 INFO L158 Benchmark]: Witness Printer took 83.94ms. Allocated memory is still 155.2MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 03:20:51,193 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 486.07ms. Allocated memory is still 155.2MB. Free memory was 124.6MB in the beginning and 106.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.13ms. Allocated memory is still 155.2MB. Free memory was 106.3MB in the beginning and 103.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.30ms. Allocated memory is still 155.2MB. Free memory was 103.6MB in the beginning and 101.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.23ms. Allocated memory is still 155.2MB. Free memory was 101.9MB in the beginning and 84.2MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 2896.49ms. Allocated memory is still 155.2MB. Free memory was 83.8MB in the beginning and 88.6MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 83.94ms. Allocated memory is still 155.2MB. Free memory was 88.6MB in the beginning and 86.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 197 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 180 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, 726 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 726 mSDsluCounter, 1261 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 985 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 276 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 354]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND FALSE !(\read(tmp___2)) [L390] tmp___1 = __VERIFIER_nondet_int() [L392] COND FALSE !(\read(tmp___1)) [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 354]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L70] int pumpRunning = 0; [L71] int systemActive = 1; [L249] int waterLevel = 1; [L250] int methaneLevelCritical = 0; [L620] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L843] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L916] int retValue_acc ; [L917] int tmp ; [L921] FCALL select_helpers() [L922] FCALL select_features() [L923] CALL, EXPR valid_product() [L442] int retValue_acc ; [L445] retValue_acc = 1 [L446] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L923] RET, EXPR valid_product() [L923] tmp = valid_product() [L925] COND TRUE \read(tmp) [L927] FCALL setup() [L928] CALL runTest() [L910] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND FALSE !(\read(tmp___2)) [L390] tmp___1 = __VERIFIER_nondet_int() [L392] COND FALSE !(\read(tmp___1)) [L401] CALL timeShift() [L78] COND FALSE !(\read(pumpRunning)) [L85] COND TRUE \read(systemActive) [L87] CALL processEnvironment() [L107] int tmp ; [L110] COND TRUE ! pumpRunning [L112] CALL, EXPR isHighWaterLevel() [L204] int retValue_acc ; [L205] int tmp ; [L206] int tmp___0 ; [L210] CALL, EXPR isHighWaterSensorDry() [L329] int retValue_acc ; [L332] COND TRUE waterLevel < 2 [L333] retValue_acc = 1 [L334] return (retValue_acc); [L210] RET, EXPR isHighWaterSensorDry() [L210] tmp = isHighWaterSensorDry() [L212] COND TRUE \read(tmp) [L213] tmp___0 = 0 [L217] retValue_acc = tmp___0 [L218] return (retValue_acc); [L112] RET, EXPR isHighWaterLevel() [L112] tmp = isHighWaterLevel() [L114] COND FALSE !(\read(tmp)) [L120] FCALL processEnvironment__wrappee__base() [L87] RET processEnvironment() [L93] CALL __utac_acc__Specification1_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR isMethaneLevelCritical() [L288] int retValue_acc ; [L291] retValue_acc = methaneLevelCritical [L292] return (retValue_acc); [L823] RET, EXPR isMethaneLevelCritical() [L823] tmp = isMethaneLevelCritical() [L825] COND FALSE !(\read(tmp)) [L93] RET __utac_acc__Specification1_spec__1() [L401] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-23 03:20:51,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_264bcfb9-c422-4c14-ba56-a9cd9498474b/bin/uautomizer-QkZJyEgLgS/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)