./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.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_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/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_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/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_850fda91-27f9-446d-86ba-8aeebf4361ee/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 d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba --- 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 21:48:33,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:48:33,097 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:48:33,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:48:33,115 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:48:33,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:48:33,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:48:33,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:48:33,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:48:33,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:48:33,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:48:33,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:48:33,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:48:33,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:48:33,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:48:33,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:48:33,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:48:33,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:48:33,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:48:33,129 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:48:33,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:48:33,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:48:33,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:48:33,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:48:33,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:48:33,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:48:33,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:48:33,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:48:33,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:48:33,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:48:33,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:48:33,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:48:33,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:48:33,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:48:33,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:48:33,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:48:33,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:48:33,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:48:33,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:48:33,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:48:33,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:48:33,145 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 21:48:33,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:48:33,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:48:33,172 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:48:33,172 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:48:33,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:48:33,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:48:33,174 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:48:33,174 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 21:48:33,174 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 21:48:33,174 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 21:48:33,175 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 21:48:33,175 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 21:48:33,175 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 21:48:33,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:48:33,175 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:48:33,175 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:48:33,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:48:33,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:48:33,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:48:33,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 21:48:33,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 21:48:33,177 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 21:48:33,177 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:48:33,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 21:48:33,177 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 21:48:33,177 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:48:33,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 21:48:33,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:48:33,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:48:33,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:48:33,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:48:33,179 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 21:48:33,179 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_850fda91-27f9-446d-86ba-8aeebf4361ee/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d20064856c358ac34c15406fcd734cb6b5694fad7d43f4bd7014ec1cea8e62ba [2022-12-13 21:48:33,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:48:33,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:48:33,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:48:33,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:48:33,364 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:48:33,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2022-12-13 21:48:35,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:48:36,116 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:48:36,117 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c [2022-12-13 21:48:36,124 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/data/6b4ede571/6ead69bce5db45bfa2b4a101ffc97cb5/FLAG307cf1613 [2022-12-13 21:48:36,520 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/data/6b4ede571/6ead69bce5db45bfa2b4a101ffc97cb5 [2022-12-13 21:48:36,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:48:36,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:48:36,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:48:36,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:48:36,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:48:36,528 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654654f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36, skipping insertion in model container [2022-12-13 21:48:36,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:48:36,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:48:36,761 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_850fda91-27f9-446d-86ba-8aeebf4361ee/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2022-12-13 21:48:36,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:48:36,792 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:48:36,841 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_850fda91-27f9-446d-86ba-8aeebf4361ee/sv-benchmarks/c/product-lines/minepump_spec5_product27.cil.c[13937,13950] [2022-12-13 21:48:36,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:48:36,868 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:48:36,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36 WrapperNode [2022-12-13 21:48:36,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:48:36,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:48:36,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:48:36,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:48:36,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,913 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 56, statements flattened = 368 [2022-12-13 21:48:36,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:48:36,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:48:36,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:48:36,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:48:36,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,936 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:48:36,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:48:36,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:48:36,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:48:36,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (1/1) ... [2022-12-13 21:48:36,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 21:48:36,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:48:36,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 21:48:36,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 21:48:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 21:48:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 21:48:37,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:48:37,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:48:37,065 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:48:37,067 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:48:37,308 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:48:37,314 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:48:37,314 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:48:37,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:48:37 BoogieIcfgContainer [2022-12-13 21:48:37,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:48:37,316 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 21:48:37,317 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 21:48:37,319 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 21:48:37,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:48:37,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 09:48:36" (1/3) ... [2022-12-13 21:48:37,321 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38803e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:48:37, skipping insertion in model container [2022-12-13 21:48:37,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:48:37,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:48:36" (2/3) ... [2022-12-13 21:48:37,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38803e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 09:48:37, skipping insertion in model container [2022-12-13 21:48:37,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 21:48:37,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:48:37" (3/3) ... [2022-12-13 21:48:37,323 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product27.cil.c [2022-12-13 21:48:37,364 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 21:48:37,365 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 21:48:37,365 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 21:48:37,365 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 21:48:37,365 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 21:48:37,365 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 21:48:37,365 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 21:48:37,365 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 21:48:37,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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 21:48:37,386 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2022-12-13 21:48:37,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:48:37,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:48:37,391 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:37,391 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 21:48:37,391 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 21:48:37,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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 21:48:37,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2022-12-13 21:48:37,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:48:37,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:48:37,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:37,397 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 21:48:37,401 INFO L748 eck$LassoCheckResult]: Stem: 21#$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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 19#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 99#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; 91#valid_product_returnLabel#1true main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 40#L696true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 71#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; 106#__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; 77#L721-2true [2022-12-13 21:48:37,401 INFO L750 eck$LassoCheckResult]: Loop: 77#L721-2true assume !false; 61#L722true assume test_~splverifierCounter~0#1 < 4; 116#L723true test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 94#L731true assume !(0 != test_~tmp~5#1); 4#L731-2true test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 110#L741true assume !(0 != test_~tmp___0~1#1); 78#L741-2true test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 16#L751true assume 0 != test_~tmp___2~0#1; 51#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; 104#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; 83#__utac_acc__Specification5_spec__2_returnLabel#1true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 73#L790true assume !(0 != ~pumpRunning~0); 88#L790-2true assume !(0 != ~systemActive~0); 87#L797-1true 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~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 62#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~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 93#L118true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 49#L118-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 63#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 77#L721-2true [2022-12-13 21:48:37,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:37,406 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 21:48:37,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:37,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533217608] [2022-12-13 21:48:37,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:37,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:37,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:37,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:48:37,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:37,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1155607476, now seen corresponding path program 1 times [2022-12-13 21:48:37,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:37,515 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970566440] [2022-12-13 21:48:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:37,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:37,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:37,530 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:48:37,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:37,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1800007413, now seen corresponding path program 1 times [2022-12-13 21:48:37,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:37,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342064382] [2022-12-13 21:48:37,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:37,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:37,735 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 21:48:37,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:37,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342064382] [2022-12-13 21:48:37,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342064382] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:37,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:37,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 21:48:37,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054581794] [2022-12-13 21:48:37,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:37,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:37,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 21:48:37,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 21:48:37,892 INFO L87 Difference]: Start difference. First operand has 116 states, 115 states have (on average 1.3565217391304347) internal successors, (156), 115 states have internal predecessors, (156), 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 21:48:37,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:37,994 INFO L93 Difference]: Finished difference Result 291 states and 372 transitions. [2022-12-13 21:48:37,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 372 transitions. [2022-12-13 21:48:38,006 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 185 [2022-12-13 21:48:38,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 261 states and 342 transitions. [2022-12-13 21:48:38,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 261 [2022-12-13 21:48:38,015 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 261 [2022-12-13 21:48:38,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 261 states and 342 transitions. [2022-12-13 21:48:38,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:48:38,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 261 states and 342 transitions. [2022-12-13 21:48:38,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states and 342 transitions. [2022-12-13 21:48:38,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 164. [2022-12-13 21:48:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.3109756097560976) internal successors, (215), 163 states have internal predecessors, (215), 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 21:48:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 215 transitions. [2022-12-13 21:48:38,050 INFO L240 hiAutomatonCegarLoop]: Abstraction has 164 states and 215 transitions. [2022-12-13 21:48:38,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 21:48:38,055 INFO L428 stractBuchiCegarLoop]: Abstraction has 164 states and 215 transitions. [2022-12-13 21:48:38,055 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 21:48:38,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 215 transitions. [2022-12-13 21:48:38,058 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 116 [2022-12-13 21:48:38,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:48:38,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:48:38,059 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:38,059 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 21:48:38,059 INFO L748 eck$LassoCheckResult]: Stem: 453#$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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 454#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 451#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 452#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; 520#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 477#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 478#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; 508#__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; 502#L721-2 [2022-12-13 21:48:38,059 INFO L750 eck$LassoCheckResult]: Loop: 502#L721-2 assume !false; 498#L722 assume test_~splverifierCounter~0#1 < 4; 499#L723 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 522#L731 assume !(0 != test_~tmp~5#1); 427#L731-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 428#L741 assume !(0 != test_~tmp___0~1#1); 513#L741-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 444#L751 assume 0 != test_~tmp___2~0#1; 445#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; 490#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; 515#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 509#L790 assume !(0 != ~pumpRunning~0); 510#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 514#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 511#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 439#L822-1 assume { :end_inline_processEnvironment } true; 519#L797-1 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~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 500#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~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 501#L118 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1); 448#L118-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 487#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 502#L721-2 [2022-12-13 21:48:38,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:38,061 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 21:48:38,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:38,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921001497] [2022-12-13 21:48:38,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:38,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,085 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:48:38,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:38,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1782780488, now seen corresponding path program 1 times [2022-12-13 21:48:38,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:38,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145976097] [2022-12-13 21:48:38,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:38,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:38,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:48:38,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:38,103 INFO L85 PathProgramCache]: Analyzing trace with hash 2110809711, now seen corresponding path program 1 times [2022-12-13 21:48:38,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:38,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625276655] [2022-12-13 21:48:38,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:38,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:48:38,211 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 21:48:38,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:48:38,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625276655] [2022-12-13 21:48:38,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625276655] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:48:38,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:48:38,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 21:48:38,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71373555] [2022-12-13 21:48:38,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:48:38,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:48:38,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 21:48:38,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:48:38,303 INFO L87 Difference]: Start difference. First operand 164 states and 215 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 21:48:38,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:48:38,418 INFO L93 Difference]: Finished difference Result 652 states and 850 transitions. [2022-12-13 21:48:38,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 652 states and 850 transitions. [2022-12-13 21:48:38,422 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 454 [2022-12-13 21:48:38,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 652 states to 652 states and 850 transitions. [2022-12-13 21:48:38,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 652 [2022-12-13 21:48:38,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 652 [2022-12-13 21:48:38,426 INFO L73 IsDeterministic]: Start isDeterministic. Operand 652 states and 850 transitions. [2022-12-13 21:48:38,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 21:48:38,427 INFO L218 hiAutomatonCegarLoop]: Abstraction has 652 states and 850 transitions. [2022-12-13 21:48:38,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states and 850 transitions. [2022-12-13 21:48:38,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 314. [2022-12-13 21:48:38,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 314 states have (on average 1.286624203821656) internal successors, (404), 313 states have internal predecessors, (404), 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 21:48:38,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 404 transitions. [2022-12-13 21:48:38,438 INFO L240 hiAutomatonCegarLoop]: Abstraction has 314 states and 404 transitions. [2022-12-13 21:48:38,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 21:48:38,439 INFO L428 stractBuchiCegarLoop]: Abstraction has 314 states and 404 transitions. [2022-12-13 21:48:38,439 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 21:48:38,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 314 states and 404 transitions. [2022-12-13 21:48:38,440 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 228 [2022-12-13 21:48:38,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 21:48:38,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 21:48:38,441 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:48:38,441 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 21:48:38,441 INFO L748 eck$LassoCheckResult]: Stem: 1288#$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);~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 1286#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1287#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; 1380#valid_product_returnLabel#1 main_#t~ret36#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#1; 1318#L696 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 1319#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; 1356#__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; 1395#L721-2 [2022-12-13 21:48:38,441 INFO L750 eck$LassoCheckResult]: Loop: 1395#L721-2 assume !false; 1480#L722 assume test_~splverifierCounter~0#1 < 4; 1477#L723 test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1; 1475#L731 assume !(0 != test_~tmp~5#1); 1473#L731-2 test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1471#L741 assume !(0 != test_~tmp___0~1#1); 1469#L741-2 test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1468#L751 assume 0 != test_~tmp___2~0#1; 1332#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; 1333#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; 1368#__utac_acc__Specification5_spec__2_returnLabel#1 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1369#L790 assume !(0 != ~pumpRunning~0); 1375#L790-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1376#L822 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1536#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 1531#L822-1 assume { :end_inline_processEnvironment } true; 1373#L797-1 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~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 1374#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~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1; 1382#L118 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#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; 1383#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; 1486#L122 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 1485#L118-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1481#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1395#L721-2 [2022-12-13 21:48:38,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:38,441 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-12-13 21:48:38,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:38,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547385713] [2022-12-13 21:48:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:38,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,446 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:48:38,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:38,451 INFO L85 PathProgramCache]: Analyzing trace with hash 420803827, now seen corresponding path program 1 times [2022-12-13 21:48:38,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:38,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014383208] [2022-12-13 21:48:38,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:38,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,458 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:48:38,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:48:38,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1244470250, now seen corresponding path program 1 times [2022-12-13 21:48:38,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:48:38,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416788355] [2022-12-13 21:48:38,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:48:38,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:48:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:38,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:48:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:39,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:48:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:48:39,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 09:48:39 BoogieIcfgContainer [2022-12-13 21:48:39,203 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 21:48:39,203 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:48:39,203 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:48:39,203 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:48:39,204 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:48:37" (3/4) ... [2022-12-13 21:48:39,206 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 21:48:39,250 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:48:39,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:48:39,251 INFO L158 Benchmark]: Toolchain (without parser) took 2727.77ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.7MB in the beginning and 60.9MB in the end (delta: 53.7MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2022-12-13 21:48:39,252 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:48:39,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.40ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 96.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:48:39,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.57ms. Allocated memory is still 151.0MB. Free memory was 96.0MB in the beginning and 93.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:48:39,253 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 151.0MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:48:39,253 INFO L158 Benchmark]: RCFGBuilder took 375.25ms. Allocated memory is still 151.0MB. Free memory was 91.2MB in the beginning and 73.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 21:48:39,253 INFO L158 Benchmark]: BuchiAutomizer took 1886.24ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 73.0MB in the beginning and 63.0MB in the end (delta: 9.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2022-12-13 21:48:39,254 INFO L158 Benchmark]: Witness Printer took 47.56ms. Allocated memory is still 182.5MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:48:39,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.40ms. Allocated memory is still 151.0MB. Free memory was 114.2MB in the beginning and 96.0MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.57ms. Allocated memory is still 151.0MB. Free memory was 96.0MB in the beginning and 93.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 151.0MB. Free memory was 93.3MB in the beginning and 91.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.25ms. Allocated memory is still 151.0MB. Free memory was 91.2MB in the beginning and 73.4MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1886.24ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 73.0MB in the beginning and 63.0MB in the end (delta: 9.9MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * Witness Printer took 47.56ms. Allocated memory is still 182.5MB. Free memory was 63.0MB in the beginning and 60.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 314 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s 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, 435 StatesRemovedByMinimization, 2 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, 1208 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1208 mSDsluCounter, 1655 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1325 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 330 mSDtfsCounter, 136 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: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] 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) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] 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: [L91] int switchedOnBeforeTS ; [L309] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int waterLevel = 1; [L513] int methaneLevelCritical = 0; [L610] int cleanupTimeShifts = 4; [L780] int pumpRunning = 0; [L781] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L687] int retValue_acc ; [L688] int tmp ; [L692] FCALL select_helpers() [L693] FCALL select_features() [L694] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L694] RET, EXPR valid_product() [L694] tmp = valid_product() [L696] COND TRUE \read(tmp) [L698] FCALL setup() [L699] CALL runTest() [L680] CALL __utac_acc__Specification5_spec__1() [L96] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L680] RET __utac_acc__Specification5_spec__1() [L681] 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) [L766] CALL timeShift() [L788] CALL __utac_acc__Specification5_spec__2() [L105] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L105] RET, EXPR isPumpRunning() [L105] switchedOnBeforeTS = isPumpRunning() [L788] RET __utac_acc__Specification5_spec__2() [L790] COND FALSE !(\read(pumpRunning)) [L797] COND TRUE \read(systemActive) [L799] CALL processEnvironment() [L819] int tmp ; [L822] COND FALSE !(\read(pumpRunning)) [L837] FCALL processEnvironment__wrappee__base() [L799] RET processEnvironment() [L805] CALL __utac_acc__Specification5_spec__3() [L111] int tmp ; [L112] int tmp___0 ; [L116] CALL, EXPR getWaterLevel() [L583] int retValue_acc ; [L586] retValue_acc = waterLevel [L587] return (retValue_acc); [L116] RET, EXPR getWaterLevel() [L116] tmp = getWaterLevel() [L118] COND TRUE tmp != 2 [L120] CALL, EXPR isPumpRunning() [L889] int retValue_acc ; [L892] retValue_acc = pumpRunning [L893] return (retValue_acc); [L120] RET, EXPR isPumpRunning() [L120] tmp___0 = isPumpRunning() [L122] COND FALSE !(\read(tmp___0)) [L805] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 21:48:39,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_850fda91-27f9-446d-86ba-8aeebf4361ee/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)