./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.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_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/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_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/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_23fba395-15e7-4557-9470-566fb82131ce/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 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b --- 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 18:01:51,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:01:51,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:01:51,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:01:51,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:01:51,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:01:51,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:01:51,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:01:51,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:01:51,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:01:51,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:01:51,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:01:51,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:01:51,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:01:51,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:01:51,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:01:51,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:01:51,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:01:51,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:01:51,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:01:51,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:01:51,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:01:51,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:01:51,597 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:01:51,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:01:51,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:01:51,602 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:01:51,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:01:51,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:01:51,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:01:51,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:01:51,605 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:01:51,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:01:51,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:01:51,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:01:51,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:01:51,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:01:51,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:01:51,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:01:51,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:01:51,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:01:51,612 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:01:51,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:01:51,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:01:51,635 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:01:51,635 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:01:51,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:01:51,637 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:01:51,637 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:01:51,637 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:01:51,637 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:01:51,637 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:01:51,638 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:01:51,638 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:01:51,638 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:01:51,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:01:51,638 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:01:51,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:01:51,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:01:51,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:01:51,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:01:51,639 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:01:51,639 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:01:51,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:01:51,640 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:01:51,640 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:01:51,640 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:01:51,640 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:01:51,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:01:51,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:01:51,641 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:01:51,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:01:51,641 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:01:51,642 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:01:51,642 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_23fba395-15e7-4557-9470-566fb82131ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b [2022-12-13 18:01:51,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:01:51,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:01:51,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:01:51,843 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:01:51,843 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:01:51,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2022-12-13 18:01:54,469 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:01:54,669 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:01:54,670 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2022-12-13 18:01:54,679 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/data/96bb0317f/281a2de1d33a413eb94a99f2d70cc475/FLAGb1802551c [2022-12-13 18:01:55,034 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/data/96bb0317f/281a2de1d33a413eb94a99f2d70cc475 [2022-12-13 18:01:55,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:01:55,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:01:55,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:01:55,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:01:55,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:01:55,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6365b639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55, skipping insertion in model container [2022-12-13 18:01:55,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:01:55,090 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:01:55,288 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_23fba395-15e7-4557-9470-566fb82131ce/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2022-12-13 18:01:55,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:01:55,301 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:01:55,356 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_23fba395-15e7-4557-9470-566fb82131ce/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2022-12-13 18:01:55,356 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:01:55,371 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:01:55,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55 WrapperNode [2022-12-13 18:01:55,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:01:55,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:01:55,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:01:55,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:01:55,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,410 INFO L138 Inliner]: procedures = 51, calls = 90, calls flagged for inlining = 43, calls inlined = 34, statements flattened = 241 [2022-12-13 18:01:55,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:01:55,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:01:55,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:01:55,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:01:55,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,430 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:01:55,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:01:55,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:01:55,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:01:55,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (1/1) ... [2022-12-13 18:01:55,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:01:55,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:01:55,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:01:55,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:01:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:01:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:01:55,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:01:55,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:01:55,559 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:01:55,561 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:01:55,717 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:01:55,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:01:55,722 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:01:55,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:01:55 BoogieIcfgContainer [2022-12-13 18:01:55,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:01:55,725 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:01:55,725 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:01:55,728 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:01:55,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:01:55,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:01:55" (1/3) ... [2022-12-13 18:01:55,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15d65592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:01:55, skipping insertion in model container [2022-12-13 18:01:55,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:01:55,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:01:55" (2/3) ... [2022-12-13 18:01:55,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15d65592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:01:55, skipping insertion in model container [2022-12-13 18:01:55,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:01:55,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:01:55" (3/3) ... [2022-12-13 18:01:55,731 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2022-12-13 18:01:55,778 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:01:55,778 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:01:55,778 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:01:55,778 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:01:55,778 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:01:55,778 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:01:55,778 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:01:55,779 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:01:55,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 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 18:01:55,796 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-12-13 18:01:55,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:01:55,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:01:55,802 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:01:55,802 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 18:01:55,802 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:01:55,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 80 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 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 18:01:55,806 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2022-12-13 18:01:55,807 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:01:55,807 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:01:55,807 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:01:55,807 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 18:01:55,812 INFO L748 eck$LassoCheckResult]: Stem: 31#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 49#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 25#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 44#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; 21#valid_product_returnLabel#1true main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 45#L667true assume 0 != main_~tmp~4#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; 41#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 27#L809-2true [2022-12-13 18:01:55,813 INFO L750 eck$LassoCheckResult]: Loop: 27#L809-2true assume !false; 5#L810true assume test_~splverifierCounter~0#1 < 4; 10#L811true test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 55#L819true assume !(0 != test_~tmp~5#1); 42#L819-2true test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 13#L829true assume !(0 != test_~tmp___0~1#1); 30#L829-2true test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 34#L839true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 60#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 76#L847-2true assume { :begin_inline_timeShift } true; 43#L691true assume !(0 != ~pumpRunning~0); 40#L691-2true assume !(0 != ~systemActive~0); 29#L698-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 64#isMethaneLevelCritical_returnLabel#1true __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 67#L193true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 37#L193-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 74#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 27#L809-2true [2022-12-13 18:01:55,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:55,819 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-12-13 18:01:55,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:55,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547062450] [2022-12-13 18:01:55,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:55,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:55,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:55,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:55,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:55,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1368168009, now seen corresponding path program 1 times [2022-12-13 18:01:55,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:55,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567543125] [2022-12-13 18:01:55,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:55,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:01:56,036 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 18:01:56,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:01:56,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567543125] [2022-12-13 18:01:56,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567543125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:01:56,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:01:56,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:01:56,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914162682] [2022-12-13 18:01:56,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:01:56,043 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:01:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:01:56,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:01:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:01:56,069 INFO L87 Difference]: Start difference. First operand has 80 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 18:01:56,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:01:56,100 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2022-12-13 18:01:56,101 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 97 transitions. [2022-12-13 18:01:56,103 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2022-12-13 18:01:56,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 67 states and 86 transitions. [2022-12-13 18:01:56,106 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 67 [2022-12-13 18:01:56,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 67 [2022-12-13 18:01:56,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 86 transitions. [2022-12-13 18:01:56,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:01:56,107 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-12-13 18:01:56,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 86 transitions. [2022-12-13 18:01:56,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-12-13 18:01:56,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 66 states have internal predecessors, (86), 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 18:01:56,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2022-12-13 18:01:56,128 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-12-13 18:01:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:01:56,132 INFO L428 stractBuchiCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-12-13 18:01:56,132 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:01:56,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 86 transitions. [2022-12-13 18:01:56,134 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2022-12-13 18:01:56,134 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:01:56,134 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:01:56,135 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:01:56,135 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 18:01:56,135 INFO L748 eck$LassoCheckResult]: Stem: 204#$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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret35#1, main_~retValue_acc~7#1, main_~tmp~4#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 196#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 197#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; 193#valid_product_returnLabel#1 main_#t~ret35#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret35#1;havoc main_#t~ret35#1; 194#L667 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 166#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; 167#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 198#L809-2 [2022-12-13 18:01:56,136 INFO L750 eck$LassoCheckResult]: Loop: 198#L809-2 assume !false; 168#L810 assume test_~splverifierCounter~0#1 < 4; 169#L811 test_~tmp~5#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 178#L819 assume !(0 != test_~tmp~5#1); 217#L819-2 test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 180#L829 assume !(0 != test_~tmp___0~1#1); 182#L829-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 201#L839 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 208#L847 assume 0 != test_~tmp___1~0#1; 223#L847-2 assume { :begin_inline_timeShift } true; 218#L691 assume !(0 != ~pumpRunning~0); 214#L691-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 191#processEnvironment_returnLabel#1 assume { :end_inline_processEnvironment } true; 192#L698-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret10#1, __utac_acc__Specification2_spec__2_#t~ret11#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 200#isMethaneLevelCritical_returnLabel#1 __utac_acc__Specification2_spec__2_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret10#1;havoc __utac_acc__Specification2_spec__2_#t~ret10#1; 231#L193 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 172#L193-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 212#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 198#L809-2 [2022-12-13 18:01:56,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:56,136 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-12-13 18:01:56,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:56,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492478478] [2022-12-13 18:01:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:56,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:56,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:56,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:56,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:56,166 INFO L85 PathProgramCache]: Analyzing trace with hash 510997867, now seen corresponding path program 1 times [2022-12-13 18:01:56,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:56,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969696399] [2022-12-13 18:01:56,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:56,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:56,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:56,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:56,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:01:56,183 INFO L85 PathProgramCache]: Analyzing trace with hash -828354540, now seen corresponding path program 1 times [2022-12-13 18:01:56,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:01:56,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509852092] [2022-12-13 18:01:56,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:01:56,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:01:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:56,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:56,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:01:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:57,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:01:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:01:57,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:01:57 BoogieIcfgContainer [2022-12-13 18:01:57,047 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:01:57,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:01:57,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:01:57,048 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:01:57,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:01:55" (3/4) ... [2022-12-13 18:01:57,051 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 18:01:57,095 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:01:57,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:01:57,095 INFO L158 Benchmark]: Toolchain (without parser) took 2054.72ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 98.9MB in the beginning and 133.0MB in the end (delta: -34.1MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:57,096 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:01:57,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.06ms. Allocated memory is still 132.1MB. Free memory was 98.9MB in the beginning and 81.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:01:57,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.28ms. Allocated memory is still 132.1MB. Free memory was 81.2MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:57,097 INFO L158 Benchmark]: Boogie Preprocessor took 21.90ms. Allocated memory is still 132.1MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:57,097 INFO L158 Benchmark]: RCFGBuilder took 290.29ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 62.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 18:01:57,097 INFO L158 Benchmark]: BuchiAutomizer took 1322.47ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 62.1MB in the beginning and 135.1MB in the end (delta: -72.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:01:57,098 INFO L158 Benchmark]: Witness Printer took 47.02ms. Allocated memory is still 186.6MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:01:57,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.06ms. Allocated memory is still 132.1MB. Free memory was 98.9MB in the beginning and 81.2MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.28ms. Allocated memory is still 132.1MB. Free memory was 81.2MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.90ms. Allocated memory is still 132.1MB. Free memory was 78.5MB in the beginning and 77.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.29ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 62.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 1322.47ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 62.1MB in the beginning and 135.1MB in the end (delta: -72.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 47.02ms. Allocated memory is still 186.6MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3 locations. The remainder module has 67 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 92 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 94 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 809]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int methAndRunningLastTime ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L581] int cleanupTimeShifts = 4; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] 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] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L651] CALL __utac_acc__Specification2_spec__1() [L181] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L651] RET __utac_acc__Specification2_spec__1() [L652] CALL test() [L800] int splverifierCounter ; [L801] int tmp ; [L802] int tmp___0 ; [L803] int tmp___1 ; [L804] int tmp___2 ; [L807] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L809] COND TRUE 1 [L811] COND TRUE splverifierCounter < 4 [L817] tmp = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp)) [L827] tmp___0 = __VERIFIER_nondet_int() [L829] COND FALSE !(\read(tmp___0)) [L837] tmp___2 = __VERIFIER_nondet_int() [L839] COND FALSE !(\read(tmp___2)) [L845] tmp___1 = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp___1) [L854] CALL timeShift() [L691] COND FALSE !(\read(pumpRunning)) [L698] COND TRUE \read(systemActive) [L700] FCALL processEnvironment() [L706] CALL __utac_acc__Specification2_spec__2() [L186] int tmp ; [L187] int tmp___0 ; [L191] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L191] RET, EXPR isMethaneLevelCritical() [L191] tmp = isMethaneLevelCritical() [L193] COND FALSE !(\read(tmp)) [L209] methAndRunningLastTime = 0 [L706] RET __utac_acc__Specification2_spec__2() [L854] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 809]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int methAndRunningLastTime ; [L384] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L581] int cleanupTimeShifts = 4; [L684] int pumpRunning = 0; [L685] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L658] int retValue_acc ; [L659] int tmp ; [L663] FCALL select_helpers() [L664] FCALL select_features() [L665] 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] [L665] RET, EXPR valid_product() [L665] tmp = valid_product() [L667] COND TRUE \read(tmp) [L669] FCALL setup() [L670] CALL runTest() [L651] CALL __utac_acc__Specification2_spec__1() [L181] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L651] RET __utac_acc__Specification2_spec__1() [L652] CALL test() [L800] int splverifierCounter ; [L801] int tmp ; [L802] int tmp___0 ; [L803] int tmp___1 ; [L804] int tmp___2 ; [L807] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L809] COND TRUE 1 [L811] COND TRUE splverifierCounter < 4 [L817] tmp = __VERIFIER_nondet_int() [L819] COND FALSE !(\read(tmp)) [L827] tmp___0 = __VERIFIER_nondet_int() [L829] COND FALSE !(\read(tmp___0)) [L837] tmp___2 = __VERIFIER_nondet_int() [L839] COND FALSE !(\read(tmp___2)) [L845] tmp___1 = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp___1) [L854] CALL timeShift() [L691] COND FALSE !(\read(pumpRunning)) [L698] COND TRUE \read(systemActive) [L700] FCALL processEnvironment() [L706] CALL __utac_acc__Specification2_spec__2() [L186] int tmp ; [L187] int tmp___0 ; [L191] CALL, EXPR isMethaneLevelCritical() [L133] int retValue_acc ; [L136] retValue_acc = methaneLevelCritical [L137] return (retValue_acc); [L191] RET, EXPR isMethaneLevelCritical() [L191] tmp = isMethaneLevelCritical() [L193] COND FALSE !(\read(tmp)) [L209] methAndRunningLastTime = 0 [L706] RET __utac_acc__Specification2_spec__2() [L854] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:01:57,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23fba395-15e7-4557-9470-566fb82131ce/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)