./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a --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 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 --- 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-b5237d8 [2022-11-21 16:33:30,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:33:30,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:33:30,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:33:30,160 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:33:30,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:33:30,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:33:30,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:33:30,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:33:30,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:33:30,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:33:30,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:33:30,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:33:30,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:33:30,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:33:30,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:33:30,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:33:30,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:33:30,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:33:30,195 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:33:30,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:33:30,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:33:30,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:33:30,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:33:30,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:33:30,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:33:30,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:33:30,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:33:30,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:33:30,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:33:30,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:33:30,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:33:30,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:33:30,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:33:30,211 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:33:30,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:33:30,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:33:30,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:33:30,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:33:30,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:33:30,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:33:30,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:33:30,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:33:30,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:33:30,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:33:30,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:33:30,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:33:30,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:33:30,253 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:33:30,253 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:33:30,253 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:33:30,254 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:33:30,255 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:33:30,255 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:33:30,255 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:33:30,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:33:30,256 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:33:30,256 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:33:30,256 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:33:30,256 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:33:30,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:33:30,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:33:30,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:33:30,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:33:30,258 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:33:30,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:33:30,258 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:33:30,258 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:33:30,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:33:30,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:33:30,259 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:33:30,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:33:30,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:33:30,261 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:33:30,261 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_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 [2022-11-21 16:33:30,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:33:30,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:33:30,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:33:30,598 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:33:30,599 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:33:30,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2022-11-21 16:33:33,574 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:33:33,822 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:33:33,823 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2022-11-21 16:33:33,836 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/data/46d471a59/2f7467bdc9034043a9554ddd8328ef65/FLAG57100eb44 [2022-11-21 16:33:33,862 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/data/46d471a59/2f7467bdc9034043a9554ddd8328ef65 [2022-11-21 16:33:33,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:33:33,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:33:33,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:33:33,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:33:33,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:33:33,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:33:33" (1/1) ... [2022-11-21 16:33:33,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba914cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:33, skipping insertion in model container [2022-11-21 16:33:33,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:33:33" (1/1) ... [2022-11-21 16:33:33,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:33:33,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:33:34,243 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_afd152e6-8ded-438e-ac61-3f2c57017df1/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c[12672,12685] [2022-11-21 16:33:34,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:33:34,313 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:33:34,400 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_afd152e6-8ded-438e-ac61-3f2c57017df1/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c[12672,12685] [2022-11-21 16:33:34,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:33:34,448 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:33:34,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34 WrapperNode [2022-11-21 16:33:34,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:33:34,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:33:34,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:33:34,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:33:34,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,544 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 49, calls inlined = 54, statements flattened = 361 [2022-11-21 16:33:34,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:33:34,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:33:34,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:33:34,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:33:34,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,585 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,590 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:33:34,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:33:34,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:33:34,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:33:34,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (1/1) ... [2022-11-21 16:33:34,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:33:34,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:33:34,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:33:34,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:33:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:33:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:33:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:33:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:33:34,733 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:33:34,735 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:33:35,085 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:33:35,093 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:33:35,093 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 16:33:35,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:33:35 BoogieIcfgContainer [2022-11-21 16:33:35,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:33:35,097 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:33:35,097 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:33:35,101 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:33:35,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:33:35,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:33:33" (1/3) ... [2022-11-21 16:33:35,104 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45e1c0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:33:35, skipping insertion in model container [2022-11-21 16:33:35,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:33:35,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:33:34" (2/3) ... [2022-11-21 16:33:35,105 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45e1c0c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:33:35, skipping insertion in model container [2022-11-21 16:33:35,105 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:33:35,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:33:35" (3/3) ... [2022-11-21 16:33:35,107 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2022-11-21 16:33:35,216 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:33:35,216 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:33:35,216 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:33:35,217 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:33:35,217 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:33:35,217 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:33:35,217 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:33:35,217 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:33:35,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:33:35,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-21 16:33:35,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:33:35,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:33:35,276 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:35,276 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:35,276 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:33:35,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:33:35,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2022-11-21 16:33:35,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:33:35,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:33:35,298 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:35,298 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:35,304 INFO L748 eck$LassoCheckResult]: Stem: 101#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 24#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 60#L553true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 23#L546true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 54#L561true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 84#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 94#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 34#L574true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 37#L877-2true [2022-11-21 16:33:35,305 INFO L750 eck$LassoCheckResult]: Loop: 37#L877-2true assume !false; 32#L878true assume test_~splverifierCounter~0#1 < 4; 72#L879true test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 104#L887true assume !(0 != test_~tmp~7#1); 17#L887-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 8#L897true assume !(0 != test_~tmp___0~2#1); 75#L897-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 44#L907true assume 0 != test_~tmp___2~0#1; 35#L913-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#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; 7#L807true __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 39#L584true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 49#L722true assume !(0 != ~pumpRunning~0); 109#L722-2true assume !(0 != ~systemActive~0); 31#L729-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 29#L696true __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 112#L595true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 16#L595-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4#L739true assume { :end_inline_timeShift } true; 37#L877-2true [2022-11-21 16:33:35,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:35,322 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-11-21 16:33:35,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:35,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610318271] [2022-11-21 16:33:35,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:35,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:35,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:35,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:33:35,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:35,554 INFO L85 PathProgramCache]: Analyzing trace with hash 219102572, now seen corresponding path program 1 times [2022-11-21 16:33:35,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:35,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829889776] [2022-11-21 16:33:35,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:35,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:35,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:35,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:33:35,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:35,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1120249835, now seen corresponding path program 1 times [2022-11-21 16:33:35,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:35,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664755105] [2022-11-21 16:33:35,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:35,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:33:35,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:33:35,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664755105] [2022-11-21 16:33:35,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664755105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:33:35,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:33:35,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:33:35,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200244106] [2022-11-21 16:33:35,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:33:36,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:33:36,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:33:36,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:33:36,155 INFO L87 Difference]: Start difference. First operand has 112 states, 111 states have (on average 1.3603603603603605) internal successors, (151), 111 states have internal predecessors, (151), 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) [2022-11-21 16:33:36,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:33:36,264 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2022-11-21 16:33:36,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 109 states and 137 transitions. [2022-11-21 16:33:36,268 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-21 16:33:36,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 109 states to 99 states and 127 transitions. [2022-11-21 16:33:36,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 99 [2022-11-21 16:33:36,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 99 [2022-11-21 16:33:36,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 99 states and 127 transitions. [2022-11-21 16:33:36,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:33:36,277 INFO L218 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2022-11-21 16:33:36,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states and 127 transitions. [2022-11-21 16:33:36,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-11-21 16:33:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 98 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:33:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 127 transitions. [2022-11-21 16:33:36,314 INFO L240 hiAutomatonCegarLoop]: Abstraction has 99 states and 127 transitions. [2022-11-21 16:33:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:33:36,323 INFO L428 stractBuchiCegarLoop]: Abstraction has 99 states and 127 transitions. [2022-11-21 16:33:36,324 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:33:36,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states and 127 transitions. [2022-11-21 16:33:36,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2022-11-21 16:33:36,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:33:36,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:33:36,327 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:36,327 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] [2022-11-21 16:33:36,327 INFO L748 eck$LassoCheckResult]: Stem: 336#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 276#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 277#L553 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 274#L546 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 275#L561 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 315#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 332#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 294#L574 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 242#L877-2 [2022-11-21 16:33:36,328 INFO L750 eck$LassoCheckResult]: Loop: 242#L877-2 assume !false; 290#L878 assume test_~splverifierCounter~0#1 < 4; 291#L879 test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 329#L887 assume !(0 != test_~tmp~7#1); 264#L887-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 250#L897 assume !(0 != test_~tmp___0~2#1); 240#L897-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 309#L907 assume 0 != test_~tmp___2~0#1; 295#L913-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#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; 248#L807 __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 249#L584 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 299#L722 assume !(0 != ~pumpRunning~0); 311#L722-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 243#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 245#L746-1 assume { :end_inline_processEnvironment__wrappee__base } true; 255#L754-1 assume { :end_inline_processEnvironment } true; 256#L729-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 286#L696 __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 287#L595 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1); 266#L595-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 241#L739 assume { :end_inline_timeShift } true; 242#L877-2 [2022-11-21 16:33:36,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:36,329 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-11-21 16:33:36,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:36,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530111135] [2022-11-21 16:33:36,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:36,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:36,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:36,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:33:36,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:36,380 INFO L85 PathProgramCache]: Analyzing trace with hash -308918803, now seen corresponding path program 1 times [2022-11-21 16:33:36,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:36,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734910721] [2022-11-21 16:33:36,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:36,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:36,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:36,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:33:36,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:36,399 INFO L85 PathProgramCache]: Analyzing trace with hash -710295900, now seen corresponding path program 1 times [2022-11-21 16:33:36,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:36,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802162335] [2022-11-21 16:33:36,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:36,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:33:36,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:33:36,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802162335] [2022-11-21 16:33:36,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802162335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:33:36,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:33:36,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:33:36,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588256090] [2022-11-21 16:33:36,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:33:36,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:33:36,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:33:36,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:33:36,722 INFO L87 Difference]: Start difference. First operand 99 states and 127 transitions. cyclomatic complexity: 30 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) [2022-11-21 16:33:36,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:33:36,978 INFO L93 Difference]: Finished difference Result 419 states and 538 transitions. [2022-11-21 16:33:36,978 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 419 states and 538 transitions. [2022-11-21 16:33:36,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 279 [2022-11-21 16:33:36,998 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 419 states to 419 states and 538 transitions. [2022-11-21 16:33:36,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2022-11-21 16:33:37,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 419 [2022-11-21 16:33:37,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 419 states and 538 transitions. [2022-11-21 16:33:37,008 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:33:37,009 INFO L218 hiAutomatonCegarLoop]: Abstraction has 419 states and 538 transitions. [2022-11-21 16:33:37,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states and 538 transitions. [2022-11-21 16:33:37,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 187. [2022-11-21 16:33:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 187 states have (on average 1.267379679144385) internal successors, (237), 186 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:33:37,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 237 transitions. [2022-11-21 16:33:37,039 INFO L240 hiAutomatonCegarLoop]: Abstraction has 187 states and 237 transitions. [2022-11-21 16:33:37,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:33:37,045 INFO L428 stractBuchiCegarLoop]: Abstraction has 187 states and 237 transitions. [2022-11-21 16:33:37,045 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 16:33:37,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 187 states and 237 transitions. [2022-11-21 16:33:37,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 130 [2022-11-21 16:33:37,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:33:37,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:33:37,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:33:37,048 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] [2022-11-21 16:33:37,049 INFO L748 eck$LassoCheckResult]: Stem: 889#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 816#L553 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 813#L546 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 814#L561 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 858#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 883#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 834#L574 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 778#L877-2 [2022-11-21 16:33:37,049 INFO L750 eck$LassoCheckResult]: Loop: 778#L877-2 assume !false; 830#L878 assume test_~splverifierCounter~0#1 < 4; 831#L879 test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 960#L887 assume !(0 != test_~tmp~7#1); 958#L887-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 956#L897 assume !(0 != test_~tmp___0~2#1); 876#L897-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 850#L907 assume 0 != test_~tmp___2~0#1; 835#L913-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#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; 784#L807 __utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1; 785#L584 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 840#L722 assume !(0 != ~pumpRunning~0); 852#L722-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 779#L754 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 781#L746-1 assume { :end_inline_processEnvironment__wrappee__base } true; 929#L754-1 assume { :end_inline_processEnvironment } true; 928#L729-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 825#L696 __utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1; 826#L595 assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#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; 841#L807-1 __utac_acc__Specification5_spec__3_#t~ret31#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret31#1;havoc __utac_acc__Specification5_spec__3_#t~ret31#1; 842#L599 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1); 926#L595-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 777#L739 assume { :end_inline_timeShift } true; 778#L877-2 [2022-11-21 16:33:37,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:37,051 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-11-21 16:33:37,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:37,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209652661] [2022-11-21 16:33:37,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:37,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:37,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:37,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:33:37,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:37,088 INFO L85 PathProgramCache]: Analyzing trace with hash -537324920, now seen corresponding path program 1 times [2022-11-21 16:33:37,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:37,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426513356] [2022-11-21 16:33:37,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:37,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:37,108 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:37,114 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:33:37,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:37,115 INFO L85 PathProgramCache]: Analyzing trace with hash 286341503, now seen corresponding path program 1 times [2022-11-21 16:33:37,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:37,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935747381] [2022-11-21 16:33:37,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:37,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:37,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:33:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:38,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:33:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:33:38,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:33:38 BoogieIcfgContainer [2022-11-21 16:33:38,505 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:33:38,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:33:38,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:33:38,507 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:33:38,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:33:35" (3/4) ... [2022-11-21 16:33:38,511 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 16:33:38,598 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:33:38,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:33:38,599 INFO L158 Benchmark]: Toolchain (without parser) took 4732.90ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 155.5MB in the beginning and 154.9MB in the end (delta: 614.0kB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-11-21 16:33:38,599 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 94.1MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:33:38,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.52ms. Allocated memory is still 188.7MB. Free memory was 155.5MB in the beginning and 147.2MB in the end (delta: 8.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 16:33:38,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.46ms. Allocated memory is still 188.7MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:33:38,601 INFO L158 Benchmark]: Boogie Preprocessor took 45.21ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:33:38,601 INFO L158 Benchmark]: RCFGBuilder took 505.44ms. Allocated memory is still 188.7MB. Free memory was 142.1MB in the beginning and 123.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 16:33:38,602 INFO L158 Benchmark]: BuchiAutomizer took 3408.35ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 123.2MB in the beginning and 158.0MB in the end (delta: -34.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-11-21 16:33:38,603 INFO L158 Benchmark]: Witness Printer took 92.01ms. Allocated memory is still 226.5MB. Free memory was 158.0MB in the beginning and 154.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:33:38,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory was 94.2MB in the beginning and 94.1MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.52ms. Allocated memory is still 188.7MB. Free memory was 155.5MB in the beginning and 147.2MB in the end (delta: 8.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.46ms. Allocated memory is still 188.7MB. Free memory was 146.3MB in the beginning and 144.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.21ms. Allocated memory is still 188.7MB. Free memory was 144.2MB in the beginning and 142.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.44ms. Allocated memory is still 188.7MB. Free memory was 142.1MB in the beginning and 123.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 3408.35ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 123.2MB in the beginning and 158.0MB in the end (delta: -34.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 92.01ms. Allocated memory is still 226.5MB. Free memory was 158.0MB in the beginning and 154.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 187 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 232 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, 920 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 920 mSDsluCounter, 914 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 610 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 106 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 304 mSDtfsCounter, 106 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: 877]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L877] COND TRUE 1 [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 877]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L877] COND TRUE 1 [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 16:33:38,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afd152e6-8ded-438e-ac61-3f2c57017df1/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)