./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:18:50,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:18:50,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:18:50,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:18:50,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:18:50,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:18:50,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:18:50,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:18:50,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:18:50,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:18:50,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:18:50,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:18:50,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:18:50,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:18:50,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:18:50,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:18:50,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:18:50,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:18:50,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:18:50,683 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:18:50,684 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:18:50,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:18:50,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:18:50,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:18:50,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:18:50,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:18:50,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:18:50,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:18:50,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:18:50,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:18:50,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:18:50,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:18:50,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:18:50,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:18:50,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:18:50,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:18:50,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:18:50,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:18:50,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:18:50,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:18:50,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:18:50,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 12:18:50,709 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:18:50,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:18:50,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:18:50,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:18:50,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:18:50,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:18:50,710 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:18:50,710 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:18:50,710 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:18:50,710 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:18:50,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:18:50,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:18:50,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:18:50,712 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:18:50,712 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:18:50,712 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:18:50,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:18:50,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:18:50,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:18:50,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:18:50,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:18:50,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:18:50,713 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:18:50,713 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_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 [2022-12-13 12:18:50,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:18:50,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:18:50,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:18:50,903 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:18:50,903 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:18:50,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2022-12-13 12:18:53,463 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:18:53,659 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:18:53,660 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2022-12-13 12:18:53,673 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/data/b7dfb66c2/2530f05fc8a8478ea35b6377dee2179b/FLAG942acbc80 [2022-12-13 12:18:53,685 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/data/b7dfb66c2/2530f05fc8a8478ea35b6377dee2179b [2022-12-13 12:18:53,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:18:53,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:18:53,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:18:53,690 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:18:53,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:18:53,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:53,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@395da9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53, skipping insertion in model container [2022-12-13 12:18:53,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:53,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:18:53,723 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:18:53,844 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_7ebcc810-7804-4066-b4d9-6c2592b2da2b/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c[3727,3740] [2022-12-13 12:18:53,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:18:53,912 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:18:53,925 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_7ebcc810-7804-4066-b4d9-6c2592b2da2b/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c[3727,3740] [2022-12-13 12:18:53,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:18:53,968 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:18:53,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53 WrapperNode [2022-12-13 12:18:53,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:18:53,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:18:53,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:18:53,969 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:18:53,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:53,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,007 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 84, statements flattened = 541 [2022-12-13 12:18:54,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:18:54,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:18:54,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:18:54,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:18:54,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,027 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:18:54,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:18:54,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:18:54,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:18:54,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (1/1) ... [2022-12-13 12:18:54,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:18:54,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:18:54,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:18:54,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:18:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:18:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:18:54,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:18:54,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:18:54,163 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:18:54,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:18:54,499 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:18:54,507 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:18:54,507 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 12:18:54,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:18:54 BoogieIcfgContainer [2022-12-13 12:18:54,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:18:54,511 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:18:54,511 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:18:54,515 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:18:54,515 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:18:54,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:18:53" (1/3) ... [2022-12-13 12:18:54,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66e887b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:18:54, skipping insertion in model container [2022-12-13 12:18:54,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:18:54,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:18:53" (2/3) ... [2022-12-13 12:18:54,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66e887b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:18:54, skipping insertion in model container [2022-12-13 12:18:54,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:18:54,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:18:54" (3/3) ... [2022-12-13 12:18:54,519 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2022-12-13 12:18:54,567 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:18:54,567 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:18:54,567 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:18:54,568 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:18:54,568 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:18:54,568 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:18:54,568 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:18:54,568 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:18:54,571 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:18:54,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2022-12-13 12:18:54,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:18:54,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:18:54,598 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:18:54,598 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:18:54,598 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:18:54,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:18:54,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2022-12-13 12:18:54,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:18:54,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:18:54,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:18:54,605 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:18:54,608 INFO L748 eck$LassoCheckResult]: Stem: 41#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 137#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 115#valid_product_returnLabel#1true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 132#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 94#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 147#__utac_acc__Specification5_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 102#L721-2true [2022-12-13 12:18:54,609 INFO L750 eck$LassoCheckResult]: Loop: 102#L721-2true assume !false; 75#L722true assume test_~splverifierCounter~0#1 < 4; 157#L723true test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 125#L731true assume !(0 != test_~tmp~5#1); 5#L731-2true test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 152#L741true assume !(0 != test_~tmp___0~1#1); 104#L741-2true test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 31#L751true assume 0 != test_~tmp___2~0#1; 66#L757-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 144#isPumpRunning_returnLabel#1true __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 108#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 160#L788true assume !(0 != ~pumpRunning~0); 92#L788-2true assume !(0 != ~systemActive~0); 29#L795-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 76#getWaterLevel_returnLabel#1true __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 81#L186true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 35#L186-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 77#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 102#L721-2true [2022-12-13 12:18:54,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:54,615 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 12:18:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:54,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994700275] [2022-12-13 12:18:54,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:54,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:54,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:18:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:54,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1727858828, now seen corresponding path program 1 times [2022-12-13 12:18:54,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:54,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745863224] [2022-12-13 12:18:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:54,761 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:54,770 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:18:54,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:54,772 INFO L85 PathProgramCache]: Analyzing trace with hash 388506421, now seen corresponding path program 1 times [2022-12-13 12:18:54,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:54,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668743188] [2022-12-13 12:18:54,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:54,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:18:54,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:18:54,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668743188] [2022-12-13 12:18:54,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668743188] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:18:54,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:18:54,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:18:54,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358457319] [2022-12-13 12:18:54,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:18:55,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:18:55,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 12:18:55,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:18:55,102 INFO L87 Difference]: Start difference. First operand has 160 states, 159 states have (on average 1.3459119496855345) internal successors, (214), 159 states have internal predecessors, (214), 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 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:18:55,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:18:55,157 INFO L93 Difference]: Finished difference Result 157 states and 200 transitions. [2022-12-13 12:18:55,158 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 200 transitions. [2022-12-13 12:18:55,160 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-12-13 12:18:55,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 147 states and 190 transitions. [2022-12-13 12:18:55,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 147 [2022-12-13 12:18:55,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 147 [2022-12-13 12:18:55,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 147 states and 190 transitions. [2022-12-13 12:18:55,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:18:55,166 INFO L218 hiAutomatonCegarLoop]: Abstraction has 147 states and 190 transitions. [2022-12-13 12:18:55,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states and 190 transitions. [2022-12-13 12:18:55,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2022-12-13 12:18:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.2925170068027212) internal successors, (190), 146 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:18:55,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 190 transitions. [2022-12-13 12:18:55,196 INFO L240 hiAutomatonCegarLoop]: Abstraction has 147 states and 190 transitions. [2022-12-13 12:18:55,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:18:55,200 INFO L428 stractBuchiCegarLoop]: Abstraction has 147 states and 190 transitions. [2022-12-13 12:18:55,201 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:18:55,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 190 transitions. [2022-12-13 12:18:55,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-12-13 12:18:55,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:18:55,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:18:55,204 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:18:55,204 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] [2022-12-13 12:18:55,204 INFO L748 eck$LassoCheckResult]: Stem: 399#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 400#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 386#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 387#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 468#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 469#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 458#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 459#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 440#L721-2 [2022-12-13 12:18:55,204 INFO L750 eck$LassoCheckResult]: Loop: 440#L721-2 assume !false; 443#L722 assume test_~splverifierCounter~0#1 < 4; 444#L723 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 474#L731 assume !(0 != test_~tmp~5#1); 339#L731-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 340#L741 assume !(0 != test_~tmp___0~1#1); 428#L741-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 383#L751 assume 0 != test_~tmp___2~0#1; 384#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 433#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 463#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 464#L788 assume !(0 != ~pumpRunning~0); 410#L788-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 378#L846 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret41#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 380#L820-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 337#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 338#L820-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 351#L846-1 assume { :end_inline_processEnvironment } true; 358#L795-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 381#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 439#L186 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1#1); 388#L186-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 389#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 440#L721-2 [2022-12-13 12:18:55,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:55,205 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 12:18:55,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:55,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996457017] [2022-12-13 12:18:55,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:55,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:18:55,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:55,220 INFO L85 PathProgramCache]: Analyzing trace with hash 740546312, now seen corresponding path program 1 times [2022-12-13 12:18:55,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:55,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857037566] [2022-12-13 12:18:55,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:55,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:18:55,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:55,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1564212735, now seen corresponding path program 1 times [2022-12-13 12:18:55,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:55,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648051767] [2022-12-13 12:18:55,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:18:55,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:18:55,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:18:55,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648051767] [2022-12-13 12:18:55,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648051767] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:18:55,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:18:55,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:18:55,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329849385] [2022-12-13 12:18:55,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:18:55,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:18:55,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:18:55,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:18:55,394 INFO L87 Difference]: Start difference. First operand 147 states and 190 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:18:55,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:18:55,554 INFO L93 Difference]: Finished difference Result 707 states and 916 transitions. [2022-12-13 12:18:55,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 707 states and 916 transitions. [2022-12-13 12:18:55,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 471 [2022-12-13 12:18:55,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 707 states to 707 states and 916 transitions. [2022-12-13 12:18:55,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 707 [2022-12-13 12:18:55,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 707 [2022-12-13 12:18:55,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 707 states and 916 transitions. [2022-12-13 12:18:55,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:18:55,570 INFO L218 hiAutomatonCegarLoop]: Abstraction has 707 states and 916 transitions. [2022-12-13 12:18:55,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states and 916 transitions. [2022-12-13 12:18:55,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 283. [2022-12-13 12:18:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 283 states have (on average 1.2826855123674912) internal successors, (363), 282 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:18:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 363 transitions. [2022-12-13 12:18:55,587 INFO L240 hiAutomatonCegarLoop]: Abstraction has 283 states and 363 transitions. [2022-12-13 12:18:55,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 12:18:55,588 INFO L428 stractBuchiCegarLoop]: Abstraction has 283 states and 363 transitions. [2022-12-13 12:18:55,588 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 12:18:55,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 363 transitions. [2022-12-13 12:18:55,591 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 194 [2022-12-13 12:18:55,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:18:55,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:18:55,591 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:18:55,592 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] [2022-12-13 12:18:55,592 INFO L748 eck$LassoCheckResult]: Stem: 1270#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1271#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1257#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1258#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1351#valid_product_returnLabel#1 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 1352#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1339#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1340#__utac_acc__Specification5_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1320#L721-2 [2022-12-13 12:18:55,592 INFO L750 eck$LassoCheckResult]: Loop: 1320#L721-2 assume !false; 1314#L722 assume test_~splverifierCounter~0#1 < 4; 1315#L723 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1443#L731 assume !(0 != test_~tmp~5#1); 1441#L731-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1439#L741 assume !(0 != test_~tmp___0~1#1); 1435#L741-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1253#L751 assume 0 != test_~tmp___2~0#1; 1254#L757-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1307#isPumpRunning_returnLabel#1 __utac_acc__Specification5_spec__2_#t~ret5#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret5#1;havoc __utac_acc__Specification5_spec__2_#t~ret5#1; 1346#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1347#L788 assume !(0 != ~pumpRunning~0); 1282#L788-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret42#1, processEnvironment_~tmp~7#1;havoc processEnvironment_~tmp~7#1; 1249#L846 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret41#1, processEnvironment__wrappee__lowWaterSensor_~tmp~6#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6#1; 1251#L820-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1207#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 1208#L820-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1223#L846-1 assume { :end_inline_processEnvironment } true; 1230#L795-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_#t~ret7#1, __utac_acc__Specification5_spec__3_~tmp~1#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~1#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 1252#getWaterLevel_returnLabel#1 __utac_acc__Specification5_spec__3_#t~ret6#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~1#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1326#L186 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1; 1327#isPumpRunning_returnLabel#2 __utac_acc__Specification5_spec__3_#t~ret7#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret7#1;havoc __utac_acc__Specification5_spec__3_#t~ret7#1; 1328#L190 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1436#L186-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1319#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1320#L721-2 [2022-12-13 12:18:55,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:55,593 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 12:18:55,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:55,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555205565] [2022-12-13 12:18:55,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:55,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,607 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:18:55,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:55,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1318662333, now seen corresponding path program 1 times [2022-12-13 12:18:55,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:55,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054939330] [2022-12-13 12:18:55,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:55,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,618 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:18:55,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:18:55,618 INFO L85 PathProgramCache]: Analyzing trace with hash -49212294, now seen corresponding path program 1 times [2022-12-13 12:18:55,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:18:55,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982779469] [2022-12-13 12:18:55,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:18:55,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:18:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,627 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:55,638 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:18:56,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:56,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:18:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:18:56,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:18:56 BoogieIcfgContainer [2022-12-13 12:18:56,357 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:18:56,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:18:56,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:18:56,357 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:18:56,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:18:54" (3/4) ... [2022-12-13 12:18:56,359 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 12:18:56,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:18:56,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:18:56,394 INFO L158 Benchmark]: Toolchain (without parser) took 2705.16ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 124.1MB in the beginning and 68.4MB in the end (delta: 55.7MB). Peak memory consumption was 85.8MB. Max. memory is 16.1GB. [2022-12-13 12:18:56,394 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:18:56,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.20ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 105.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 12:18:56,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.32ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 102.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:18:56,396 INFO L158 Benchmark]: Boogie Preprocessor took 22.43ms. Allocated memory is still 155.2MB. Free memory was 102.5MB in the beginning and 99.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:18:56,396 INFO L158 Benchmark]: RCFGBuilder took 479.07ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 78.1MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 12:18:56,396 INFO L158 Benchmark]: BuchiAutomizer took 1845.92ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 77.3MB in the beginning and 71.6MB in the end (delta: 5.8MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-12-13 12:18:56,396 INFO L158 Benchmark]: Witness Printer took 36.43ms. Allocated memory is still 186.6MB. Free memory was 71.6MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:18:56,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.20ms. Allocated memory is still 155.2MB. Free memory was 124.1MB in the beginning and 105.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.32ms. Allocated memory is still 155.2MB. Free memory was 105.3MB in the beginning and 102.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.43ms. Allocated memory is still 155.2MB. Free memory was 102.5MB in the beginning and 99.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.07ms. Allocated memory is still 155.2MB. Free memory was 99.7MB in the beginning and 78.1MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 1845.92ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 77.3MB in the beginning and 71.6MB in the end (delta: 5.8MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 36.43ms. Allocated memory is still 186.6MB. Free memory was 71.6MB in the beginning and 68.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 283 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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, 424 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, 1461 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1461 mSDsluCounter, 1527 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1058 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 469 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 721]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L159] int switchedOnBeforeTS ; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L514] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L778] int pumpRunning = 0; [L779] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L336] int retValue_acc ; [L339] retValue_acc = 1 [L340] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L164] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L764] CALL timeShift() [L786] CALL __utac_acc__Specification5_spec__2() [L173] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L173] RET, EXPR isPumpRunning() [L173] switchedOnBeforeTS = isPumpRunning() [L786] RET __utac_acc__Specification5_spec__2() [L788] COND FALSE !(\read(pumpRunning)) [L795] COND TRUE \read(systemActive) [L797] CALL processEnvironment() [L843] int tmp ; [L846] COND FALSE !(\read(pumpRunning)) [L861] CALL processEnvironment__wrappee__lowWaterSensor() [L817] int tmp ; [L820] COND FALSE !(\read(pumpRunning)) [L835] FCALL processEnvironment__wrappee__base() [L861] RET processEnvironment__wrappee__lowWaterSensor() [L797] RET processEnvironment() [L803] CALL __utac_acc__Specification5_spec__3() [L179] int tmp ; [L180] int tmp___0 ; [L184] CALL, EXPR getWaterLevel() [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L184] RET, EXPR getWaterLevel() [L184] tmp = getWaterLevel() [L186] COND TRUE tmp != 2 [L188] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L188] RET, EXPR isPumpRunning() [L188] tmp___0 = isPumpRunning() [L190] COND FALSE !(\read(tmp___0)) [L803] RET __utac_acc__Specification5_spec__3() [L764] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int switchedOnBeforeTS ; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L514] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L778] int pumpRunning = 0; [L779] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L336] int retValue_acc ; [L339] retValue_acc = 1 [L340] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L164] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L764] CALL timeShift() [L786] CALL __utac_acc__Specification5_spec__2() [L173] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L173] RET, EXPR isPumpRunning() [L173] switchedOnBeforeTS = isPumpRunning() [L786] RET __utac_acc__Specification5_spec__2() [L788] COND FALSE !(\read(pumpRunning)) [L795] COND TRUE \read(systemActive) [L797] CALL processEnvironment() [L843] int tmp ; [L846] COND FALSE !(\read(pumpRunning)) [L861] CALL processEnvironment__wrappee__lowWaterSensor() [L817] int tmp ; [L820] COND FALSE !(\read(pumpRunning)) [L835] FCALL processEnvironment__wrappee__base() [L861] RET processEnvironment__wrappee__lowWaterSensor() [L797] RET processEnvironment() [L803] CALL __utac_acc__Specification5_spec__3() [L179] int tmp ; [L180] int tmp___0 ; [L184] CALL, EXPR getWaterLevel() [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L184] RET, EXPR getWaterLevel() [L184] tmp = getWaterLevel() [L186] COND TRUE tmp != 2 [L188] CALL, EXPR isPumpRunning() [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L188] RET, EXPR isPumpRunning() [L188] tmp___0 = isPumpRunning() [L190] COND FALSE !(\read(tmp___0)) [L803] RET __utac_acc__Specification5_spec__3() [L764] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 12:18:56,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ebcc810-7804-4066-b4d9-6c2592b2da2b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)