./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.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_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/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_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/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_036a242a-2bde-4617-a453-74381e348d23/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 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 --- 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 11:22:06,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 11:22:06,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 11:22:06,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 11:22:06,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 11:22:06,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 11:22:06,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 11:22:06,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 11:22:06,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 11:22:06,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 11:22:06,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 11:22:06,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 11:22:06,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 11:22:06,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 11:22:06,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 11:22:06,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 11:22:06,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 11:22:06,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 11:22:06,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 11:22:06,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 11:22:06,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 11:22:06,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 11:22:06,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 11:22:06,602 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 11:22:06,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 11:22:06,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 11:22:06,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 11:22:06,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 11:22:06,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 11:22:06,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 11:22:06,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 11:22:06,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 11:22:06,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 11:22:06,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 11:22:06,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 11:22:06,611 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 11:22:06,611 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 11:22:06,612 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 11:22:06,612 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 11:22:06,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 11:22:06,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 11:22:06,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 11:22:06,636 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 11:22:06,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 11:22:06,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 11:22:06,637 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 11:22:06,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 11:22:06,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 11:22:06,638 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 11:22:06,638 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 11:22:06,639 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 11:22:06,639 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 11:22:06,639 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 11:22:06,639 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 11:22:06,639 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 11:22:06,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 11:22:06,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 11:22:06,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 11:22:06,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 11:22:06,641 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 11:22:06,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 11:22:06,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 11:22:06,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 11:22:06,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 11:22:06,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 11:22:06,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 11:22:06,643 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 11:22:06,643 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_036a242a-2bde-4617-a453-74381e348d23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7 [2022-12-13 11:22:06,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 11:22:06,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 11:22:06,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 11:22:06,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 11:22:06,862 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 11:22:06,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-12-13 11:22:09,433 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 11:22:09,642 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 11:22:09,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c [2022-12-13 11:22:09,651 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/data/14264e7d4/dac963c575b046e79c5716012417c4e0/FLAG03e775b82 [2022-12-13 11:22:10,037 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/data/14264e7d4/dac963c575b046e79c5716012417c4e0 [2022-12-13 11:22:10,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 11:22:10,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 11:22:10,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 11:22:10,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 11:22:10,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 11:22:10,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4545d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10, skipping insertion in model container [2022-12-13 11:22:10,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 11:22:10,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 11:22:10,246 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_036a242a-2bde-4617-a453-74381e348d23/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2022-12-13 11:22:10,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:22:10,291 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 11:22:10,310 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_036a242a-2bde-4617-a453-74381e348d23/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816] [2022-12-13 11:22:10,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 11:22:10,347 INFO L208 MainTranslator]: Completed translation [2022-12-13 11:22:10,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10 WrapperNode [2022-12-13 11:22:10,347 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 11:22:10,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 11:22:10,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 11:22:10,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 11:22:10,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,380 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 47, calls inlined = 36, statements flattened = 248 [2022-12-13 11:22:10,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 11:22:10,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 11:22:10,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 11:22:10,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 11:22:10,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 11:22:10,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 11:22:10,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 11:22:10,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 11:22:10,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (1/1) ... [2022-12-13 11:22:10,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 11:22:10,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 11:22:10,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 11:22:10,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 11:22:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 11:22:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 11:22:10,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 11:22:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 11:22:10,524 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 11:22:10,526 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 11:22:10,716 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 11:22:10,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 11:22:10,723 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 11:22:10,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:22:10 BoogieIcfgContainer [2022-12-13 11:22:10,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 11:22:10,726 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 11:22:10,726 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 11:22:10,729 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 11:22:10,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:22:10,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 11:22:10" (1/3) ... [2022-12-13 11:22:10,731 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e96a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:22:10, skipping insertion in model container [2022-12-13 11:22:10,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:22:10,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 11:22:10" (2/3) ... [2022-12-13 11:22:10,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e96a95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 11:22:10, skipping insertion in model container [2022-12-13 11:22:10,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 11:22:10,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:22:10" (3/3) ... [2022-12-13 11:22:10,734 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product12.cil.c [2022-12-13 11:22:10,792 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 11:22:10,792 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 11:22:10,792 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 11:22:10,792 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 11:22:10,792 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 11:22:10,792 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 11:22:10,792 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 11:22:10,793 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 11:22:10,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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 11:22:10,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-12-13 11:22:10,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:22:10,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:22:10,822 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:10,822 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:10,822 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 11:22:10,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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 11:22:10,827 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2022-12-13 11:22:10,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:22:10,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:22:10,828 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:10,828 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:10,833 INFO L748 eck$LassoCheckResult]: Stem: 38#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 47#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; 25#valid_product_returnLabel#1true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 23#L898true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 4#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 45#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 77#L104-2true [2022-12-13 11:22:10,834 INFO L750 eck$LassoCheckResult]: Loop: 77#L104-2true assume !false; 21#L105true assume test_~splverifierCounter~0#1 < 4; 57#L106true test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 61#L114true assume !(0 != test_~tmp~0#1); 50#L114-2true test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 16#L124true assume !(0 != test_~tmp___0~0#1); 73#L124-2true test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 62#L134true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 40#L142true assume !(0 != test_~tmp___1~0#1); 34#L142-2true assume { :begin_inline_timeShift } true; 36#L178true assume !(0 != ~pumpRunning~0); 11#L178-2true assume !(0 != ~systemActive~0); 53#L185-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 66#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 10#L337true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 76#L337-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 72#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 77#L104-2true [2022-12-13 11:22:10,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:10,839 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 11:22:10,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:10,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121924633] [2022-12-13 11:22:10,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:10,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:10,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:22:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:10,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:22:10,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:10,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1601773143, now seen corresponding path program 1 times [2022-12-13 11:22:10,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:10,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558407474] [2022-12-13 11:22:10,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:10,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:10,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:22:10,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:10,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:22:10,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:10,958 INFO L85 PathProgramCache]: Analyzing trace with hash 865831566, now seen corresponding path program 1 times [2022-12-13 11:22:10,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:10,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800477931] [2022-12-13 11:22:10,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:10,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 11:22:11,106 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 11:22:11,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 11:22:11,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800477931] [2022-12-13 11:22:11,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800477931] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 11:22:11,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 11:22:11,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 11:22:11,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820668814] [2022-12-13 11:22:11,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 11:22:11,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 11:22:11,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 11:22:11,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 11:22:11,266 INFO L87 Difference]: Start difference. First operand has 84 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 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 11:22:11,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 11:22:11,369 INFO L93 Difference]: Finished difference Result 292 states and 375 transitions. [2022-12-13 11:22:11,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 292 states and 375 transitions. [2022-12-13 11:22:11,377 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 186 [2022-12-13 11:22:11,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 292 states to 252 states and 335 transitions. [2022-12-13 11:22:11,383 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 252 [2022-12-13 11:22:11,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 252 [2022-12-13 11:22:11,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 252 states and 335 transitions. [2022-12-13 11:22:11,386 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 11:22:11,386 INFO L218 hiAutomatonCegarLoop]: Abstraction has 252 states and 335 transitions. [2022-12-13 11:22:11,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states and 335 transitions. [2022-12-13 11:22:11,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 126. [2022-12-13 11:22:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.3333333333333333) internal successors, (168), 125 states have internal predecessors, (168), 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 11:22:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 168 transitions. [2022-12-13 11:22:11,418 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 168 transitions. [2022-12-13 11:22:11,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 11:22:11,423 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 168 transitions. [2022-12-13 11:22:11,423 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 11:22:11,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 168 transitions. [2022-12-13 11:22:11,425 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 91 [2022-12-13 11:22:11,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 11:22:11,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 11:22:11,426 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 11:22:11,426 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 11:22:11,426 INFO L748 eck$LassoCheckResult]: Stem: 443#$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);~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 444#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 436#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 437#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; 428#valid_product_returnLabel#1 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 426#L898 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 394#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 395#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 452#L104-2 [2022-12-13 11:22:11,426 INFO L750 eck$LassoCheckResult]: Loop: 452#L104-2 assume !false; 421#L105 assume test_~splverifierCounter~0#1 < 4; 422#L106 test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 455#L114 assume !(0 != test_~tmp~0#1); 419#L114-2 test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 416#L124 assume !(0 != test_~tmp___0~0#1); 418#L124-2 test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 457#L134 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 458#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 439#L142-2 assume { :begin_inline_timeShift } true; 440#L178 assume !(0 != ~pumpRunning~0); 405#L178-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 406#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 429#L185-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret19#1, __utac_acc__Specification2_spec__2_#t~ret20#1, __utac_acc__Specification2_spec__2_~tmp~2#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~2#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;havoc isMethaneLevelCritical_~retValue_acc~4#1;isMethaneLevelCritical_~retValue_acc~4#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~4#1; 453#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret19#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~2#1 := __utac_acc__Specification2_spec__2_#t~ret19#1;havoc __utac_acc__Specification2_spec__2_#t~ret19#1; 402#L337 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2#1);~methAndRunningLastTime~0 := 0; 404#L337-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 462#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 452#L104-2 [2022-12-13 11:22:11,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:11,427 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 11:22:11,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:11,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238932751] [2022-12-13 11:22:11,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:11,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:11,438 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:22:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:11,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:22:11,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:11,449 INFO L85 PathProgramCache]: Analyzing trace with hash 878374743, now seen corresponding path program 1 times [2022-12-13 11:22:11,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:11,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93753707] [2022-12-13 11:22:11,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:11,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:11,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:22:11,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:11,471 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:22:11,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 11:22:11,472 INFO L85 PathProgramCache]: Analyzing trace with hash -460977664, now seen corresponding path program 1 times [2022-12-13 11:22:11,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 11:22:11,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283053974] [2022-12-13 11:22:11,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 11:22:11,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 11:22:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:11,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:22:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:11,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 11:22:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:12,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 11:22:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 11:22:12,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 11:22:12 BoogieIcfgContainer [2022-12-13 11:22:12,257 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 11:22:12,258 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 11:22:12,258 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 11:22:12,258 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 11:22:12,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 11:22:10" (3/4) ... [2022-12-13 11:22:12,261 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 11:22:12,304 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 11:22:12,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 11:22:12,305 INFO L158 Benchmark]: Toolchain (without parser) took 2262.04ms. Allocated memory is still 125.8MB. Free memory was 91.3MB in the beginning and 59.7MB in the end (delta: 31.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-12-13 11:22:12,305 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:22:12,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.77ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 73.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 11:22:12,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.76ms. Allocated memory is still 125.8MB. Free memory was 73.1MB in the beginning and 70.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:22:12,307 INFO L158 Benchmark]: Boogie Preprocessor took 17.69ms. Allocated memory is still 125.8MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 11:22:12,307 INFO L158 Benchmark]: RCFGBuilder took 326.30ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 54.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 11:22:12,307 INFO L158 Benchmark]: BuchiAutomizer took 1531.67ms. Allocated memory is still 125.8MB. Free memory was 53.8MB in the beginning and 62.6MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 11:22:12,308 INFO L158 Benchmark]: Witness Printer took 46.91ms. Allocated memory is still 125.8MB. Free memory was 62.6MB in the beginning and 59.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 11:22:12,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.77ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 73.1MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.76ms. Allocated memory is still 125.8MB. Free memory was 73.1MB in the beginning and 70.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.69ms. Allocated memory is still 125.8MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 326.30ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 54.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1531.67ms. Allocated memory is still 125.8MB. Free memory was 53.8MB in the beginning and 62.6MB in the end (delta: -8.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 46.91ms. Allocated memory is still 125.8MB. Free memory was 62.6MB in the beginning and 59.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 126 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, 535 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 535 mSDsluCounter, 775 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 676 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 99 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 104]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L170] int pumpRunning = 0; [L171] int systemActive = 1; [L320] int methAndRunningLastTime ; [L360] int waterLevel = 1; [L361] int methaneLevelCritical = 0; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] int retValue_acc ; [L890] int tmp ; [L894] FCALL select_helpers() [L895] FCALL select_features() [L896] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L896] RET, EXPR valid_product() [L896] tmp = valid_product() [L898] COND TRUE \read(tmp) [L900] FCALL setup() [L901] CALL runTest() [L882] CALL __utac_acc__Specification2_spec__1() [L325] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] RET __utac_acc__Specification2_spec__1() [L883] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND TRUE \read(tmp___2) [L136] CALL startSystem() [L314] systemActive = 1 [L136] RET startSystem() [L151] CALL timeShift() [L178] COND FALSE !(\read(pumpRunning)) [L185] COND TRUE \read(systemActive) [L187] FCALL processEnvironment() [L193] CALL __utac_acc__Specification2_spec__2() [L330] int tmp ; [L331] int tmp___0 ; [L335] CALL, EXPR isMethaneLevelCritical() [L399] int retValue_acc ; [L402] retValue_acc = methaneLevelCritical [L403] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L353] methAndRunningLastTime = 0 [L193] RET __utac_acc__Specification2_spec__2() [L151] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 104]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L170] int pumpRunning = 0; [L171] int systemActive = 1; [L320] int methAndRunningLastTime ; [L360] int waterLevel = 1; [L361] int methaneLevelCritical = 0; [L618] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L815] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] int retValue_acc ; [L890] int tmp ; [L894] FCALL select_helpers() [L895] FCALL select_features() [L896] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L896] RET, EXPR valid_product() [L896] tmp = valid_product() [L898] COND TRUE \read(tmp) [L900] FCALL setup() [L901] CALL runTest() [L882] CALL __utac_acc__Specification2_spec__1() [L325] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L882] RET __utac_acc__Specification2_spec__1() [L883] CALL test() [L95] int splverifierCounter ; [L96] int tmp ; [L97] int tmp___0 ; [L98] int tmp___1 ; [L99] int tmp___2 ; [L102] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L104] COND TRUE 1 [L106] COND TRUE splverifierCounter < 4 [L112] tmp = __VERIFIER_nondet_int() [L114] COND FALSE !(\read(tmp)) [L122] tmp___0 = __VERIFIER_nondet_int() [L124] COND FALSE !(\read(tmp___0)) [L132] tmp___2 = __VERIFIER_nondet_int() [L134] COND TRUE \read(tmp___2) [L136] CALL startSystem() [L314] systemActive = 1 [L136] RET startSystem() [L151] CALL timeShift() [L178] COND FALSE !(\read(pumpRunning)) [L185] COND TRUE \read(systemActive) [L187] FCALL processEnvironment() [L193] CALL __utac_acc__Specification2_spec__2() [L330] int tmp ; [L331] int tmp___0 ; [L335] CALL, EXPR isMethaneLevelCritical() [L399] int retValue_acc ; [L402] retValue_acc = methaneLevelCritical [L403] return (retValue_acc); [L335] RET, EXPR isMethaneLevelCritical() [L335] tmp = isMethaneLevelCritical() [L337] COND FALSE !(\read(tmp)) [L353] methAndRunningLastTime = 0 [L193] RET __utac_acc__Specification2_spec__2() [L151] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 11:22:12,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_036a242a-2bde-4617-a453-74381e348d23/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)