./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/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_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/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_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/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 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d --- 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 20:20:12,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:20:12,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:20:12,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:20:12,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:20:12,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:20:12,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:20:12,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:20:12,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:20:12,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:20:12,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:20:12,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:20:12,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:20:12,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:20:12,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:20:12,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:20:12,088 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:20:12,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:20:12,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:20:12,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:20:12,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:20:12,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:20:12,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:20:12,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:20:12,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:20:12,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:20:12,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:20:12,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:20:12,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:20:12,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:20:12,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:20:12,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:20:12,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:20:12,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:20:12,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:20:12,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:20:12,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:20:12,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:20:12,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:20:12,103 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:20:12,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:20:12,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 20:20:12,121 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:20:12,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:20:12,121 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:20:12,121 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:20:12,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:20:12,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:20:12,123 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:20:12,123 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 20:20:12,123 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 20:20:12,123 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 20:20:12,123 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 20:20:12,123 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 20:20:12,124 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 20:20:12,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:20:12,124 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:20:12,124 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 20:20:12,124 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:20:12,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:20:12,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:20:12,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 20:20:12,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:20:12,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:20:12,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:20:12,126 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:20:12,127 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 20:20:12,127 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_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bb4b23c61a0ce6fb5d219efb233ba1e5b1970509ba14aea9115d570a0ea376d [2022-12-13 20:20:12,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:20:12,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:20:12,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:20:12,328 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:20:12,328 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:20:12,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-12-13 20:20:14,834 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:20:15,010 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:20:15,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c [2022-12-13 20:20:15,018 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/data/3a74e786f/432ea107edbe482792dd6eb478972e09/FLAG6297070fa [2022-12-13 20:20:15,406 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/data/3a74e786f/432ea107edbe482792dd6eb478972e09 [2022-12-13 20:20:15,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:20:15,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:20:15,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:20:15,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:20:15,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:20:15,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cebf3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15, skipping insertion in model container [2022-12-13 20:20:15,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,423 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:20:15,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:20:15,549 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_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2022-12-13 20:20:15,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:20:15,627 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:20:15,636 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_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/sv-benchmarks/c/product-lines/minepump_spec2_product47.cil.c[1605,1618] [2022-12-13 20:20:15,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:20:15,682 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:20:15,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15 WrapperNode [2022-12-13 20:20:15,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:20:15,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:20:15,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:20:15,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:20:15,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,721 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 98, statements flattened = 674 [2022-12-13 20:20:15,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:20:15,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:20:15,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:20:15,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:20:15,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,744 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:20:15,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:20:15,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:20:15,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:20:15,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (1/1) ... [2022-12-13 20:20:15,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 20:20:15,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:20:15,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 20:20:15,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 20:20:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:20:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:20:15,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:20:15,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:20:15,870 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:20:15,871 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:20:16,254 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:20:16,260 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:20:16,260 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:20:16,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:16 BoogieIcfgContainer [2022-12-13 20:20:16,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:20:16,263 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 20:20:16,263 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 20:20:16,265 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 20:20:16,266 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:20:16,266 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 08:20:15" (1/3) ... [2022-12-13 20:20:16,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@398585a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:20:16, skipping insertion in model container [2022-12-13 20:20:16,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:20:16,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:20:15" (2/3) ... [2022-12-13 20:20:16,267 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@398585a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 08:20:16, skipping insertion in model container [2022-12-13 20:20:16,267 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 20:20:16,267 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:16" (3/3) ... [2022-12-13 20:20:16,269 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product47.cil.c [2022-12-13 20:20:16,312 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 20:20:16,312 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 20:20:16,312 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 20:20:16,312 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 20:20:16,312 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 20:20:16,312 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 20:20:16,312 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 20:20:16,312 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 20:20:16,316 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3636363636363635) internal successors, (255), 187 states have internal predecessors, (255), 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 20:20:16,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-12-13 20:20:16,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:20:16,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:20:16,339 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:20:16,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:20:16,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 20:20:16,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.3636363636363635) internal successors, (255), 187 states have internal predecessors, (255), 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 20:20:16,344 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 122 [2022-12-13 20:20:16,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:20:16,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:20:16,345 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:20:16,345 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:20:16,349 INFO L748 eck$LassoCheckResult]: Stem: 36#$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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 33#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 154#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 125#valid_product_returnLabel#1true main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 25#L592true assume 0 != main_~tmp~4#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__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 149#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 31#L927-2true [2022-12-13 20:20:16,349 INFO L750 eck$LassoCheckResult]: Loop: 31#L927-2true assume !false; 86#L928true assume test_~splverifierCounter~0#1 < 4; 100#L929true test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 110#L937true assume !(0 != test_~tmp~9#1); 144#L937-2true test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 70#L947true assume !(0 != test_~tmp___0~2#1); 137#L947-2true test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 84#L957true assume 0 != test_~tmp___2~0#1; 20#L963-2true assume { :begin_inline_timeShift } true; 17#L714true assume !(0 != ~pumpRunning~0); 114#L714-2true assume !(0 != ~systemActive~0); 74#L721-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 83#isMethaneLevelCritical_returnLabel#4true __utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; 79#L482true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 57#L482-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 81#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 31#L927-2true [2022-12-13 20:20:16,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:16,354 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 20:20:16,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:16,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417893343] [2022-12-13 20:20:16,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:16,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:16,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:16,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:20:16,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:16,451 INFO L85 PathProgramCache]: Analyzing trace with hash -747951606, now seen corresponding path program 1 times [2022-12-13 20:20:16,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:16,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742882541] [2022-12-13 20:20:16,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:16,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:16,457 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:16,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:20:16,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:16,463 INFO L85 PathProgramCache]: Analyzing trace with hash -910238989, now seen corresponding path program 1 times [2022-12-13 20:20:16,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:16,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861446050] [2022-12-13 20:20:16,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:16,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:20:16,595 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 20:20:16,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:20:16,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861446050] [2022-12-13 20:20:16,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861446050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:20:16,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:20:16,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:20:16,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328128017] [2022-12-13 20:20:16,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:20:16,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:20:16,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 20:20:16,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 20:20:16,722 INFO L87 Difference]: Start difference. First operand has 188 states, 187 states have (on average 1.3636363636363635) internal successors, (255), 187 states have internal predecessors, (255), 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) [2022-12-13 20:20:16,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:20:16,882 INFO L93 Difference]: Finished difference Result 429 states and 564 transitions. [2022-12-13 20:20:16,883 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 429 states and 564 transitions. [2022-12-13 20:20:16,892 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 277 [2022-12-13 20:20:16,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 429 states to 399 states and 534 transitions. [2022-12-13 20:20:16,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 399 [2022-12-13 20:20:16,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 399 [2022-12-13 20:20:16,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 399 states and 534 transitions. [2022-12-13 20:20:16,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:20:16,906 INFO L218 hiAutomatonCegarLoop]: Abstraction has 399 states and 534 transitions. [2022-12-13 20:20:16,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states and 534 transitions. [2022-12-13 20:20:16,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 230. [2022-12-13 20:20:16,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 230 states have (on average 1.3391304347826087) internal successors, (308), 229 states have internal predecessors, (308), 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 20:20:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 308 transitions. [2022-12-13 20:20:16,937 INFO L240 hiAutomatonCegarLoop]: Abstraction has 230 states and 308 transitions. [2022-12-13 20:20:16,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 20:20:16,941 INFO L428 stractBuchiCegarLoop]: Abstraction has 230 states and 308 transitions. [2022-12-13 20:20:16,942 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 20:20:16,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 230 states and 308 transitions. [2022-12-13 20:20:16,944 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 160 [2022-12-13 20:20:16,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:20:16,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:20:16,945 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:20:16,945 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] [2022-12-13 20:20:16,945 INFO L748 eck$LassoCheckResult]: Stem: 697#$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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 698#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 694#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 695#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 790#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 679#L592 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 680#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 767#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 689#L927-2 [2022-12-13 20:20:16,946 INFO L750 eck$LassoCheckResult]: Loop: 689#L927-2 assume !false; 690#L928 assume test_~splverifierCounter~0#1 < 4; 762#L929 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 773#L937 assume !(0 != test_~tmp~9#1); 653#L937-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 747#L947 assume !(0 != test_~tmp___0~2#1); 707#L947-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 758#L957 assume 0 != test_~tmp___2~0#1; 669#L963-2 assume { :begin_inline_timeShift } true; 661#L714 assume !(0 != ~pumpRunning~0); 662#L714-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 647#L772 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 648#L746-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 635#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 636#L746-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 672#L772-1 assume { :end_inline_processEnvironment } true; 673#L721-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 750#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; 755#L482 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 675#L482-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 731#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 689#L927-2 [2022-12-13 20:20:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:16,946 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 20:20:16,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:16,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71366511] [2022-12-13 20:20:16,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:16,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:16,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:16,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:20:16,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:16,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2121906562, now seen corresponding path program 1 times [2022-12-13 20:20:16,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:16,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701148942] [2022-12-13 20:20:16,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:16,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:20:16,986 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 20:20:16,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:20:16,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701148942] [2022-12-13 20:20:16,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701148942] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:20:16,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:20:16,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:20:16,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998759309] [2022-12-13 20:20:16,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:20:16,987 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 20:20:16,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:20:16,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:20:16,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:20:16,988 INFO L87 Difference]: Start difference. First operand 230 states and 308 transitions. cyclomatic complexity: 81 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 20:20:17,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:20:17,043 INFO L93 Difference]: Finished difference Result 289 states and 371 transitions. [2022-12-13 20:20:17,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 289 states and 371 transitions. [2022-12-13 20:20:17,046 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2022-12-13 20:20:17,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 289 states to 289 states and 371 transitions. [2022-12-13 20:20:17,049 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 289 [2022-12-13 20:20:17,049 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 289 [2022-12-13 20:20:17,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 289 states and 371 transitions. [2022-12-13 20:20:17,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 20:20:17,051 INFO L218 hiAutomatonCegarLoop]: Abstraction has 289 states and 371 transitions. [2022-12-13 20:20:17,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states and 371 transitions. [2022-12-13 20:20:17,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2022-12-13 20:20:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 289 states have (on average 1.2837370242214532) internal successors, (371), 288 states have internal predecessors, (371), 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 20:20:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 371 transitions. [2022-12-13 20:20:17,062 INFO L240 hiAutomatonCegarLoop]: Abstraction has 289 states and 371 transitions. [2022-12-13 20:20:17,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:20:17,064 INFO L428 stractBuchiCegarLoop]: Abstraction has 289 states and 371 transitions. [2022-12-13 20:20:17,064 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 20:20:17,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 289 states and 371 transitions. [2022-12-13 20:20:17,066 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 205 [2022-12-13 20:20:17,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 20:20:17,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 20:20:17,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 20:20:17,067 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, 1] [2022-12-13 20:20:17,067 INFO L748 eck$LassoCheckResult]: Stem: 1225#$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);~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1226#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret30#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1216#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1217#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1330#valid_product_returnLabel#1 main_#t~ret30#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret30#1;havoc main_#t~ret30#1; 1204#L592 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1205#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1303#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_#t~nondet52#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1211#L927-2 [2022-12-13 20:20:17,067 INFO L750 eck$LassoCheckResult]: Loop: 1211#L927-2 assume !false; 1212#L928 assume test_~splverifierCounter~0#1 < 4; 1309#L929 test_~tmp~9#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1310#L937 assume !(0 != test_~tmp~9#1); 1173#L937-2 test_~tmp___0~2#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1422#L947 assume !(0 != test_~tmp___0~2#1); 1421#L947-2 test_~tmp___2~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1291#L957 assume 0 != test_~tmp___2~0#1; 1292#L963-2 assume { :begin_inline_timeShift } true; 1181#L714 assume !(0 != ~pumpRunning~0); 1182#L714-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1168#L772 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1169#L746-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret48#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1170#L693-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1171#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret48#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret48#1;havoc isHighWaterLevel_#t~ret48#1; 1254#L891-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1332#L891-5 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 1333#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__methaneQuery_#t~ret36#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret36#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret36#1; 1351#L750-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1247#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1248#L746-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1192#L772-1 assume { :end_inline_processEnvironment } true; 1193#L721-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret28#1, __utac_acc__Specification2_spec__2_#t~ret29#1, __utac_acc__Specification2_spec__2_~tmp~3#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~3#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1278#isMethaneLevelCritical_returnLabel#4 __utac_acc__Specification2_spec__2_#t~ret28#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~3#1 := __utac_acc__Specification2_spec__2_#t~ret28#1;havoc __utac_acc__Specification2_spec__2_#t~ret28#1; 1284#L482 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~3#1);~methAndRunningLastTime~0 := 0; 1198#L482-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1287#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1211#L927-2 [2022-12-13 20:20:17,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 20:20:17,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:17,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276873402] [2022-12-13 20:20:17,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:17,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:20:17,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:17,087 INFO L85 PathProgramCache]: Analyzing trace with hash -150535430, now seen corresponding path program 1 times [2022-12-13 20:20:17,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:17,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861883996] [2022-12-13 20:20:17,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:17,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:20:17,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:20:17,106 INFO L85 PathProgramCache]: Analyzing trace with hash 20239985, now seen corresponding path program 1 times [2022-12-13 20:20:17,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:20:17,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970136826] [2022-12-13 20:20:17,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:20:17,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:20:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 20:20:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 20:20:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 20:20:17,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 08:20:17 BoogieIcfgContainer [2022-12-13 20:20:17,999 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 20:20:18,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:20:18,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:20:18,000 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:20:18,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:20:16" (3/4) ... [2022-12-13 20:20:18,002 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 20:20:18,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:20:18,036 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:20:18,037 INFO L158 Benchmark]: Toolchain (without parser) took 2627.30ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 76.7MB in the beginning and 124.8MB in the end (delta: -48.2MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-12-13 20:20:18,037 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:20:18,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.25ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 57.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:20:18,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.80ms. Allocated memory is still 113.2MB. Free memory was 57.9MB in the beginning and 54.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:20:18,038 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 113.2MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:20:18,038 INFO L158 Benchmark]: RCFGBuilder took 513.65ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 52.0MB in the beginning and 91.6MB in the end (delta: -39.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2022-12-13 20:20:18,039 INFO L158 Benchmark]: BuchiAutomizer took 1736.79ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 91.6MB in the beginning and 128.0MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:20:18,039 INFO L158 Benchmark]: Witness Printer took 36.63ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 124.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:20:18,042 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory was 76.5MB in the beginning and 76.5MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.25ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 57.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.80ms. Allocated memory is still 113.2MB. Free memory was 57.9MB in the beginning and 54.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 113.2MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 513.65ms. Allocated memory was 113.2MB in the beginning and 136.3MB in the end (delta: 23.1MB). Free memory was 52.0MB in the beginning and 91.6MB in the end (delta: -39.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1736.79ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 91.6MB in the beginning and 128.0MB in the end (delta: -36.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 36.63ms. Allocated memory is still 163.6MB. Free memory was 128.0MB in the beginning and 124.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 289 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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, 169 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, 1323 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1323 mSDsluCounter, 1509 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1041 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 468 mSDtfsCounter, 69 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: 927]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L465] int methAndRunningLastTime ; [L504] int cleanupTimeShifts = 4; [L610] int waterLevel = 1; [L611] int methaneLevelCritical = 0; [L707] int pumpRunning = 0; [L708] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L583] int retValue_acc ; [L584] int tmp ; [L588] FCALL select_helpers() [L589] FCALL select_features() [L590] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L590] RET, EXPR valid_product() [L590] tmp = valid_product() [L592] COND TRUE \read(tmp) [L594] FCALL setup() [L595] CALL runTest() [L576] CALL __utac_acc__Specification2_spec__1() [L470] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L576] RET __utac_acc__Specification2_spec__1() [L577] CALL test() [L918] int splverifierCounter ; [L919] int tmp ; [L920] int tmp___0 ; [L921] int tmp___1 ; [L922] int tmp___2 ; [L925] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L927] COND TRUE 1 [L929] COND TRUE splverifierCounter < 4 [L935] tmp = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp)) [L945] tmp___0 = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp___0)) [L955] tmp___2 = __VERIFIER_nondet_int() [L957] COND TRUE \read(tmp___2) [L972] CALL timeShift() [L714] COND FALSE !(\read(pumpRunning)) [L721] COND TRUE \read(systemActive) [L723] CALL processEnvironment() [L769] int tmp ; [L772] COND FALSE !(\read(pumpRunning)) [L787] CALL processEnvironment__wrappee__methaneQuery() [L743] int tmp ; [L746] COND TRUE ! pumpRunning [L748] CALL, EXPR isHighWaterLevel() [L883] int retValue_acc ; [L884] int tmp ; [L885] int tmp___0 ; [L889] CALL, EXPR isHighWaterSensorDry() [L690] int retValue_acc ; [L693] COND TRUE waterLevel < 2 [L694] retValue_acc = 1 [L695] return (retValue_acc); [L889] RET, EXPR isHighWaterSensorDry() [L889] tmp = isHighWaterSensorDry() [L891] COND TRUE \read(tmp) [L892] tmp___0 = 0 [L896] retValue_acc = tmp___0 [L897] return (retValue_acc); [L748] RET, EXPR isHighWaterLevel() [L748] tmp = isHighWaterLevel() [L750] COND FALSE !(\read(tmp)) [L756] FCALL processEnvironment__wrappee__base() [L787] RET processEnvironment__wrappee__methaneQuery() [L723] RET processEnvironment() [L729] CALL __utac_acc__Specification2_spec__2() [L475] int tmp ; [L476] int tmp___0 ; [L480] CALL, EXPR isMethaneLevelCritical() [L649] int retValue_acc ; [L652] retValue_acc = methaneLevelCritical [L653] return (retValue_acc); [L480] RET, EXPR isMethaneLevelCritical() [L480] tmp = isMethaneLevelCritical() [L482] COND FALSE !(\read(tmp)) [L498] methAndRunningLastTime = 0 [L729] RET __utac_acc__Specification2_spec__2() [L972] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 927]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L266] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L465] int methAndRunningLastTime ; [L504] int cleanupTimeShifts = 4; [L610] int waterLevel = 1; [L611] int methaneLevelCritical = 0; [L707] int pumpRunning = 0; [L708] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L583] int retValue_acc ; [L584] int tmp ; [L588] FCALL select_helpers() [L589] FCALL select_features() [L590] CALL, EXPR valid_product() [L88] int retValue_acc ; [L91] retValue_acc = 1 [L92] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L590] RET, EXPR valid_product() [L590] tmp = valid_product() [L592] COND TRUE \read(tmp) [L594] FCALL setup() [L595] CALL runTest() [L576] CALL __utac_acc__Specification2_spec__1() [L470] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L576] RET __utac_acc__Specification2_spec__1() [L577] CALL test() [L918] int splverifierCounter ; [L919] int tmp ; [L920] int tmp___0 ; [L921] int tmp___1 ; [L922] int tmp___2 ; [L925] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L927] COND TRUE 1 [L929] COND TRUE splverifierCounter < 4 [L935] tmp = __VERIFIER_nondet_int() [L937] COND FALSE !(\read(tmp)) [L945] tmp___0 = __VERIFIER_nondet_int() [L947] COND FALSE !(\read(tmp___0)) [L955] tmp___2 = __VERIFIER_nondet_int() [L957] COND TRUE \read(tmp___2) [L972] CALL timeShift() [L714] COND FALSE !(\read(pumpRunning)) [L721] COND TRUE \read(systemActive) [L723] CALL processEnvironment() [L769] int tmp ; [L772] COND FALSE !(\read(pumpRunning)) [L787] CALL processEnvironment__wrappee__methaneQuery() [L743] int tmp ; [L746] COND TRUE ! pumpRunning [L748] CALL, EXPR isHighWaterLevel() [L883] int retValue_acc ; [L884] int tmp ; [L885] int tmp___0 ; [L889] CALL, EXPR isHighWaterSensorDry() [L690] int retValue_acc ; [L693] COND TRUE waterLevel < 2 [L694] retValue_acc = 1 [L695] return (retValue_acc); [L889] RET, EXPR isHighWaterSensorDry() [L889] tmp = isHighWaterSensorDry() [L891] COND TRUE \read(tmp) [L892] tmp___0 = 0 [L896] retValue_acc = tmp___0 [L897] return (retValue_acc); [L748] RET, EXPR isHighWaterLevel() [L748] tmp = isHighWaterLevel() [L750] COND FALSE !(\read(tmp)) [L756] FCALL processEnvironment__wrappee__base() [L787] RET processEnvironment__wrappee__methaneQuery() [L723] RET processEnvironment() [L729] CALL __utac_acc__Specification2_spec__2() [L475] int tmp ; [L476] int tmp___0 ; [L480] CALL, EXPR isMethaneLevelCritical() [L649] int retValue_acc ; [L652] retValue_acc = methaneLevelCritical [L653] return (retValue_acc); [L480] RET, EXPR isMethaneLevelCritical() [L480] tmp = isMethaneLevelCritical() [L482] COND FALSE !(\read(tmp)) [L498] methAndRunningLastTime = 0 [L729] RET __utac_acc__Specification2_spec__2() [L972] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 20:20:18,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a2a28ec-a414-4a6a-adac-2a9cfefe7a31/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)