./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- 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-8393723 [2022-11-18 20:08:12,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:08:12,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:08:12,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:08:12,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:08:12,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:08:12,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:08:12,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:08:12,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:08:12,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:08:12,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:08:12,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:08:12,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:08:12,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:08:12,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:08:12,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:08:12,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:08:12,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:08:12,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:08:12,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:08:12,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:08:12,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:08:12,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:08:12,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:08:12,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:08:12,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:08:12,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:08:12,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:08:12,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:08:12,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:08:12,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:08:12,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:08:12,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:08:12,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:08:12,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:08:12,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:08:12,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:08:12,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:08:12,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:08:12,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:08:12,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:08:12,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 20:08:12,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:08:12,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:08:12,784 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:08:12,784 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:08:12,786 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:08:12,786 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:08:12,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:08:12,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:08:12,787 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:08:12,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:08:12,788 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:08:12,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:08:12,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:08:12,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:08:12,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:08:12,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:08:12,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:08:12,790 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:08:12,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:08:12,790 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:08:12,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:08:12,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:08:12,791 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:08:12,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:08:12,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:08:12,792 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:08:12,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:08:12,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:08:12,794 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:08:12,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:08:12,794 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:08:12,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:08:12,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:08:12,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2022-11-18 20:08:13,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:08:13,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:08:13,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:08:13,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:08:13,103 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:08:13,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2022-11-18 20:08:13,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/data/3c5c4ae4c/9706710b638241548c5dcf252150edd8/FLAG786738681 [2022-11-18 20:08:13,629 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:08:13,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2022-11-18 20:08:13,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/data/3c5c4ae4c/9706710b638241548c5dcf252150edd8/FLAG786738681 [2022-11-18 20:08:13,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/data/3c5c4ae4c/9706710b638241548c5dcf252150edd8 [2022-11-18 20:08:13,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:08:13,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:08:13,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:13,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:08:13,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:08:13,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:13" (1/1) ... [2022-11-18 20:08:13,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@806e7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:13, skipping insertion in model container [2022-11-18 20:08:13,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:08:13" (1/1) ... [2022-11-18 20:08:13,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:08:14,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:08:14,285 WARN L234 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_e46da36d-24a3-4bf3-937b-51659f76f59c/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2022-11-18 20:08:14,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:14,379 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:08:14,392 WARN L234 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_e46da36d-24a3-4bf3-937b-51659f76f59c/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c[1605,1618] [2022-11-18 20:08:14,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:08:14,472 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:08:14,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14 WrapperNode [2022-11-18 20:08:14,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:08:14,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:14,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:08:14,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:08:14,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,517 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 142 [2022-11-18 20:08:14,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:08:14,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:08:14,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:08:14,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:08:14,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,547 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,558 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:08:14,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:08:14,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:08:14,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:08:14,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (1/1) ... [2022-11-18 20:08:14,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:08:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:08:14,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:08:14,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:08:14,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:08:14,678 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 20:08:14,678 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 20:08:14,678 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 20:08:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 20:08:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 20:08:14,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 20:08:14,679 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-18 20:08:14,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-18 20:08:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:08:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 20:08:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 20:08:14,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:08:14,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:08:14,785 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:08:14,788 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:08:15,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:08:15,059 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:08:15,059 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:08:15,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:15 BoogieIcfgContainer [2022-11-18 20:08:15,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:08:15,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:08:15,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:08:15,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:08:15,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:08:13" (1/3) ... [2022-11-18 20:08:15,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ed833d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:08:15, skipping insertion in model container [2022-11-18 20:08:15,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:08:14" (2/3) ... [2022-11-18 20:08:15,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ed833d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:08:15, skipping insertion in model container [2022-11-18 20:08:15,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:15" (3/3) ... [2022-11-18 20:08:15,100 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2022-11-18 20:08:15,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:08:15,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:08:15,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:08:15,181 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7c8d7bc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:08:15,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:08:15,185 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-18 20:08:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-18 20:08:15,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:15,196 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:15,196 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:15,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash -515124903, now seen corresponding path program 1 times [2022-11-18 20:08:15,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:15,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483857663] [2022-11-18 20:08:15,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:15,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 20:08:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 20:08:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:08:15,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:15,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483857663] [2022-11-18 20:08:15,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483857663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:15,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:15,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:08:15,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123595099] [2022-11-18 20:08:15,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:15,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 20:08:15,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:15,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:08:15,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:08:15,544 INFO L87 Difference]: Start difference. First operand has 72 states, 57 states have (on average 1.368421052631579) internal successors, (78), 61 states have internal predecessors, (78), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:15,613 INFO L93 Difference]: Finished difference Result 135 states and 182 transitions. [2022-11-18 20:08:15,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:08:15,615 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-18 20:08:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:15,624 INFO L225 Difference]: With dead ends: 135 [2022-11-18 20:08:15,624 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 20:08:15,629 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:08:15,634 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:15,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:08:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 20:08:15,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-18 20:08:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.28) internal successors, (64), 53 states have internal predecessors, (64), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-18 20:08:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2022-11-18 20:08:15,694 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 32 [2022-11-18 20:08:15,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:15,694 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 79 transitions. [2022-11-18 20:08:15,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-11-18 20:08:15,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-18 20:08:15,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:15,702 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:15,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:08:15,703 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:15,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1191843792, now seen corresponding path program 1 times [2022-11-18 20:08:15,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:15,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935348106] [2022-11-18 20:08:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 20:08:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:08:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:08:15,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:15,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935348106] [2022-11-18 20:08:15,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935348106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:15,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:15,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:08:15,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113776510] [2022-11-18 20:08:15,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:15,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:08:15,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:15,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:08:15,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:08:15,901 INFO L87 Difference]: Start difference. First operand 63 states and 79 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:15,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:15,926 INFO L93 Difference]: Finished difference Result 87 states and 108 transitions. [2022-11-18 20:08:15,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:08:15,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-18 20:08:15,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:15,935 INFO L225 Difference]: With dead ends: 87 [2022-11-18 20:08:15,936 INFO L226 Difference]: Without dead ends: 54 [2022-11-18 20:08:15,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:08:15,939 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 17 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:15,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:08:15,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-18 20:08:15,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-18 20:08:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 47 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-18 20:08:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-11-18 20:08:15,952 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 33 [2022-11-18 20:08:15,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:15,952 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-11-18 20:08:15,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-11-18 20:08:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-18 20:08:15,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:15,954 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:15,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:08:15,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:15,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash -948437565, now seen corresponding path program 1 times [2022-11-18 20:08:15,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:15,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330643242] [2022-11-18 20:08:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:15,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:08:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 20:08:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:08:16,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:16,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330643242] [2022-11-18 20:08:16,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330643242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:16,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:16,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:08:16,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844990939] [2022-11-18 20:08:16,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:16,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:08:16,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:16,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:08:16,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:08:16,121 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:08:16,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:16,283 INFO L93 Difference]: Finished difference Result 189 states and 244 transitions. [2022-11-18 20:08:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:08:16,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-11-18 20:08:16,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:16,287 INFO L225 Difference]: With dead ends: 189 [2022-11-18 20:08:16,289 INFO L226 Difference]: Without dead ends: 143 [2022-11-18 20:08:16,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:08:16,291 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:16,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 328 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:08:16,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-18 20:08:16,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2022-11-18 20:08:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 112 states have internal predecessors, (140), 15 states have call successors, (15), 12 states have call predecessors, (15), 12 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2022-11-18 20:08:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 171 transitions. [2022-11-18 20:08:16,337 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 171 transitions. Word has length 37 [2022-11-18 20:08:16,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:16,337 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 171 transitions. [2022-11-18 20:08:16,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 20:08:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 171 transitions. [2022-11-18 20:08:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-18 20:08:16,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:08:16,342 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:08:16,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:08:16,343 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:08:16,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:08:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash -739007729, now seen corresponding path program 1 times [2022-11-18 20:08:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:08:16,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004553385] [2022-11-18 20:08:16,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:08:16,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:08:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:08:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-18 20:08:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:08:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-18 20:08:16,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:08:16,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004553385] [2022-11-18 20:08:16,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004553385] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:08:16,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:08:16,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 20:08:16,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347821011] [2022-11-18 20:08:16,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:08:16,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 20:08:16,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:08:16,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:08:16,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:08:16,561 INFO L87 Difference]: Start difference. First operand 133 states and 171 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:16,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:08:16,686 INFO L93 Difference]: Finished difference Result 255 states and 331 transitions. [2022-11-18 20:08:16,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:08:16,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2022-11-18 20:08:16,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:08:16,692 INFO L225 Difference]: With dead ends: 255 [2022-11-18 20:08:16,692 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:08:16,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:08:16,694 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:08:16,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 202 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:08:16,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:08:16,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:08:16,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:08:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:08:16,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-11-18 20:08:16,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:08:16,697 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:08:16,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-18 20:08:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:08:16,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:08:16,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:08:16,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:08:16,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:08:16,989 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2022-11-18 20:08:16,990 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: true [2022-11-18 20:08:16,990 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2022-11-18 20:08:16,991 INFO L895 garLoopResultBuilder]: At program point L609(lines 605 611) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 0 ~systemActive~0))) [2022-11-18 20:08:16,991 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 809) no Hoare annotation was computed. [2022-11-18 20:08:16,991 INFO L899 garLoopResultBuilder]: For program point L795(lines 795 812) no Hoare annotation was computed. [2022-11-18 20:08:16,992 INFO L902 garLoopResultBuilder]: At program point L795-1(lines 787 815) the Hoare annotation is: true [2022-11-18 20:08:16,992 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2022-11-18 20:08:16,992 INFO L899 garLoopResultBuilder]: For program point L585-2(lines 581 603) no Hoare annotation was computed. [2022-11-18 20:08:16,992 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 578 604) no Hoare annotation was computed. [2022-11-18 20:08:16,993 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 806) no Hoare annotation was computed. [2022-11-18 20:08:16,994 INFO L902 garLoopResultBuilder]: At program point L784(lines 777 786) the Hoare annotation is: true [2022-11-18 20:08:16,996 INFO L902 garLoopResultBuilder]: At program point L797(line 797) the Hoare annotation is: true [2022-11-18 20:08:16,998 INFO L902 garLoopResultBuilder]: At program point L892(lines 887 895) the Hoare annotation is: true [2022-11-18 20:08:16,999 INFO L899 garLoopResultBuilder]: For program point L797-1(line 797) no Hoare annotation was computed. [2022-11-18 20:08:17,000 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-18 20:08:17,001 INFO L899 garLoopResultBuilder]: For program point L823(lines 823 827) no Hoare annotation was computed. [2022-11-18 20:08:17,002 INFO L895 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-18 20:08:17,002 INFO L895 garLoopResultBuilder]: At program point L823-2(lines 819 830) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2022-11-18 20:08:17,002 INFO L902 garLoopResultBuilder]: At program point timeShiftENTRY(lines 578 604) the Hoare annotation is: true [2022-11-18 20:08:17,002 INFO L899 garLoopResultBuilder]: For program point L592-1(lines 592 598) no Hoare annotation was computed. [2022-11-18 20:08:17,003 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2022-11-18 20:08:17,010 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2022-11-18 20:08:17,011 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 578 604) no Hoare annotation was computed. [2022-11-18 20:08:17,011 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-11-18 20:08:17,011 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-11-18 20:08:17,011 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2022-11-18 20:08:17,012 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2022-11-18 20:08:17,012 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-11-18 20:08:17,012 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2022-11-18 20:08:17,012 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-11-18 20:08:17,013 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2022-11-18 20:08:17,013 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2022-11-18 20:08:17,014 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2022-11-18 20:08:17,014 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2022-11-18 20:08:17,014 INFO L895 garLoopResultBuilder]: At program point L696(lines 684 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:08:17,014 INFO L895 garLoopResultBuilder]: At program point L758(lines 709 759) the Hoare annotation is: false [2022-11-18 20:08:17,015 INFO L899 garLoopResultBuilder]: For program point L688(lines 688 694) no Hoare annotation was computed. [2022-11-18 20:08:17,020 INFO L899 garLoopResultBuilder]: For program point L688-2(lines 688 694) no Hoare annotation was computed. [2022-11-18 20:08:17,020 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2022-11-18 20:08:17,021 INFO L895 garLoopResultBuilder]: At program point L746-2(lines 740 753) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:08:17,021 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:08:17,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:08:17,021 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:08:17,022 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2022-11-18 20:08:17,024 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2022-11-18 20:08:17,024 INFO L895 garLoopResultBuilder]: At program point L755(lines 710 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:08:17,024 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:08:17,025 INFO L895 garLoopResultBuilder]: At program point L561(lines 556 564) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-18 20:08:17,025 INFO L895 garLoopResultBuilder]: At program point L553(lines 549 555) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-18 20:08:17,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:08:17,025 INFO L895 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-18 20:08:17,026 INFO L899 garLoopResultBuilder]: For program point L711(lines 710 757) no Hoare annotation was computed. [2022-11-18 20:08:17,026 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2022-11-18 20:08:17,026 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 753) no Hoare annotation was computed. [2022-11-18 20:08:17,026 INFO L899 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2022-11-18 20:08:17,026 INFO L895 garLoopResultBuilder]: At program point L546(lines 542 548) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-18 20:08:17,027 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 20:08:17,027 INFO L902 garLoopResultBuilder]: At program point L761(lines 700 765) the Hoare annotation is: true [2022-11-18 20:08:17,028 INFO L902 garLoopResultBuilder]: At program point L501(lines 493 503) the Hoare annotation is: true [2022-11-18 20:08:17,028 INFO L895 garLoopResultBuilder]: At program point L625(lines 620 627) the Hoare annotation is: false [2022-11-18 20:08:17,028 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 726) no Hoare annotation was computed. [2022-11-18 20:08:17,028 INFO L899 garLoopResultBuilder]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2022-11-18 20:08:17,028 INFO L902 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2022-11-18 20:08:17,029 INFO L899 garLoopResultBuilder]: For program point L712(lines 712 716) no Hoare annotation was computed. [2022-11-18 20:08:17,029 INFO L895 garLoopResultBuilder]: At program point L774(lines 769 776) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-18 20:08:17,029 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2022-11-18 20:08:17,029 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: true [2022-11-18 20:08:17,029 INFO L899 garLoopResultBuilder]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2022-11-18 20:08:17,030 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 639 647) no Hoare annotation was computed. [2022-11-18 20:08:17,030 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 639 647) the Hoare annotation is: true [2022-11-18 20:08:17,030 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 639 647) no Hoare annotation was computed. [2022-11-18 20:08:17,033 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 20:08:17,038 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:08:17,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:08:17 BoogieIcfgContainer [2022-11-18 20:08:17,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:08:17,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:08:17,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:08:17,064 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:08:17,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:08:15" (3/4) ... [2022-11-18 20:08:17,068 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:08:17,075 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 20:08:17,075 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 20:08:17,075 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 20:08:17,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 20:08:17,076 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-18 20:08:17,088 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-18 20:08:17,088 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:08:17,088 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 20:08:17,089 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:08:17,089 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:08:17,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-11-18 20:08:17,116 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2022-11-18 20:08:17,117 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive [2022-11-18 20:08:17,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:08:17,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:08:17,159 INFO L158 Benchmark]: Toolchain (without parser) took 3185.03ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 79.9MB in the beginning and 92.3MB in the end (delta: -12.4MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-11-18 20:08:17,160 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 97.5MB in the beginning and 97.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:08:17,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.32ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 85.2MB in the end (delta: -5.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:08:17,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.50ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:08:17,161 INFO L158 Benchmark]: Boogie Preprocessor took 49.22ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:08:17,162 INFO L158 Benchmark]: RCFGBuilder took 493.75ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 67.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:08:17,162 INFO L158 Benchmark]: TraceAbstraction took 1979.35ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 67.3MB in the beginning and 96.5MB in the end (delta: -29.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2022-11-18 20:08:17,162 INFO L158 Benchmark]: Witness Printer took 93.97ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 92.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:08:17,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 97.5MB in the beginning and 97.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.32ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 85.2MB in the end (delta: -5.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.50ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 83.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.22ms. Allocated memory is still 117.4MB. Free memory was 83.1MB in the beginning and 82.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.75ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 67.9MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1979.35ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 67.3MB in the beginning and 96.5MB in the end (delta: -29.2MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Witness Printer took 93.97ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 92.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 224 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 220 mSDsluCounter, 729 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 442 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 287 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 167 PreInvPairs, 203 NumberOfFragments, 121 HoareAnnotationTreeSize, 167 FomulaSimplifications, 45 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 32 FomulaSimplificationsInter, 494 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 769]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 549]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) - InvariantResult [Line: 684]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 605]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(0 == systemActive) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && tmp == systemActive) && 1 == systemActive) && \result == systemActive RESULT: Ultimate proved your program to be correct! [2022-11-18 20:08:17,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e46da36d-24a3-4bf3-937b-51659f76f59c/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE