./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc --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 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 --- 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-5e519f3 [2022-11-02 20:47:46,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:47:46,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:47:46,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:47:46,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:47:46,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:47:46,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:47:46,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:47:46,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:47:46,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:47:46,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:47:46,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:47:46,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:47:46,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:47:46,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:47:46,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:47:46,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:47:46,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:47:46,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:47:46,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:47:46,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:47:46,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:47:46,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:47:46,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:47:46,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:47:46,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:47:46,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:47:46,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:47:46,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:47:46,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:47:46,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:47:46,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:47:46,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:47:46,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:47:46,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:47:46,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:47:46,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:47:46,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:47:46,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:47:46,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:47:46,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:47:46,604 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:47:46,626 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:47:46,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:47:46,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:47:46,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:47:46,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:47:46,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:47:46,630 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:47:46,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:47:46,630 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:47:46,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:47:46,632 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:47:46,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:47:46,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:47:46,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:47:46,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:47:46,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:47:46,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:47:46,634 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:47:46,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:47:46,634 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:47:46,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:47:46,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:47:46,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:47:46,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:47:46,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:47:46,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:47:46,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:47:46,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:47:46,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:47:46,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:47:46,638 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:47:46,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:47:46,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:47:46,639 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_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0552f986eafe304f33f56d4376c7c6a56e2d691e1035259c5c13e13b2a7157c1 [2022-11-02 20:47:46,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:47:46,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:47:46,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:47:46,974 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:47:46,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:47:46,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-11-02 20:47:47,065 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/data/94cb65943/8a818b0a829f4af2a646e00d6b952ffe/FLAG8d2cafcd7 [2022-11-02 20:47:47,556 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:47:47,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c [2022-11-02 20:47:47,587 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/data/94cb65943/8a818b0a829f4af2a646e00d6b952ffe/FLAG8d2cafcd7 [2022-11-02 20:47:47,871 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/data/94cb65943/8a818b0a829f4af2a646e00d6b952ffe [2022-11-02 20:47:47,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:47:47,875 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:47:47,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:47:47,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:47:47,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:47:47,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:47:47" (1/1) ... [2022-11-02 20:47:47,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5691e08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:47, skipping insertion in model container [2022-11-02 20:47:47,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:47:47" (1/1) ... [2022-11-02 20:47:47,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:47:47,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:47:48,211 WARN L230 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_c5c694a4-9a7d-4dfd-a449-383574b72b3d/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-11-02 20:47:48,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:47:48,245 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:47:48,315 WARN L230 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_c5c694a4-9a7d-4dfd-a449-383574b72b3d/sv-benchmarks/c/product-lines/minepump_spec3_product50.cil.c[15143,15156] [2022-11-02 20:47:48,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:47:48,370 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:47:48,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48 WrapperNode [2022-11-02 20:47:48,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:47:48,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:47:48,372 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:47:48,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:47:48,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,439 INFO L138 Inliner]: procedures = 56, calls = 156, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 266 [2022-11-02 20:47:48,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:47:48,440 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:47:48,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:47:48,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:47:48,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,479 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:47:48,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:47:48,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:47:48,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:47:48,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (1/1) ... [2022-11-02 20:47:48,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:47:48,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:47:48,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:47:48,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:47:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:47:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:47:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:47:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:47:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:47:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:47:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:47:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:47:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:47:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:47:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:47:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:47:48,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:47:48,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:47:48,684 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:47:48,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:47:49,051 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:47:49,064 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:47:49,064 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:47:49,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:47:49 BoogieIcfgContainer [2022-11-02 20:47:49,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:47:49,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:47:49,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:47:49,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:47:49,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:47:47" (1/3) ... [2022-11-02 20:47:49,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626ef67b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:47:49, skipping insertion in model container [2022-11-02 20:47:49,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:47:48" (2/3) ... [2022-11-02 20:47:49,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626ef67b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:47:49, skipping insertion in model container [2022-11-02 20:47:49,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:47:49" (3/3) ... [2022-11-02 20:47:49,086 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50.cil.c [2022-11-02 20:47:49,110 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:47:49,110 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:47:49,177 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:47:49,192 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;@714ad154, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:47:49,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:47:49,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-02 20:47:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:47:49,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:49,218 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 20:47:49,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:49,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:49,227 INFO L85 PathProgramCache]: Analyzing trace with hash 497933795, now seen corresponding path program 1 times [2022-11-02 20:47:49,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:49,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330807796] [2022-11-02 20:47:49,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:49,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:47:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:49,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:49,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330807796] [2022-11-02 20:47:49,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330807796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:49,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:49,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:47:49,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303254337] [2022-11-02 20:47:49,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:49,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:47:49,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:49,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:47:49,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:47:49,565 INFO L87 Difference]: Start difference. First operand has 89 states, 69 states have (on average 1.391304347826087) internal successors, (96), 77 states have internal predecessors, (96), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:47:49,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:49,600 INFO L93 Difference]: Finished difference Result 170 states and 231 transitions. [2022-11-02 20:47:49,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:47:49,603 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-02 20:47:49,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:49,613 INFO L225 Difference]: With dead ends: 170 [2022-11-02 20:47:49,613 INFO L226 Difference]: Without dead ends: 80 [2022-11-02 20:47:49,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:47:49,620 INFO L413 NwaCegarLoop]: 112 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, 112 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 [2022-11-02 20:47:49,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:47:49,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-11-02 20:47:49,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2022-11-02 20:47:49,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 69 states have internal predecessors, (82), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:47:49,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2022-11-02 20:47:49,673 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 25 [2022-11-02 20:47:49,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:49,673 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2022-11-02 20:47:49,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:47:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-02 20:47:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:47:49,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:49,676 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 20:47:49,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:47:49,677 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:49,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:49,678 INFO L85 PathProgramCache]: Analyzing trace with hash -470356708, now seen corresponding path program 1 times [2022-11-02 20:47:49,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:49,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441322893] [2022-11-02 20:47:49,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:49,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:47:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:49,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:49,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441322893] [2022-11-02 20:47:49,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441322893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:49,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:49,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:47:49,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497790616] [2022-11-02 20:47:49,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:49,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:47:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:47:49,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:47:49,913 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:47:49,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:49,931 INFO L93 Difference]: Finished difference Result 125 states and 161 transitions. [2022-11-02 20:47:49,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:47:49,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-02 20:47:49,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:49,933 INFO L225 Difference]: With dead ends: 125 [2022-11-02 20:47:49,934 INFO L226 Difference]: Without dead ends: 71 [2022-11-02 20:47:49,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:47:49,936 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 13 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 163 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 [2022-11-02 20:47:49,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 163 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:47:49,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-02 20:47:49,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-02 20:47:49,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3392857142857142) internal successors, (75), 63 states have internal predecessors, (75), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-02 20:47:49,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2022-11-02 20:47:49,948 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 26 [2022-11-02 20:47:49,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:49,949 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2022-11-02 20:47:49,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:47:49,949 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2022-11-02 20:47:49,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:47:49,950 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:49,951 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-02 20:47:49,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:47:49,951 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:49,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1793997224, now seen corresponding path program 1 times [2022-11-02 20:47:49,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:49,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111625090] [2022-11-02 20:47:49,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:50,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:50,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111625090] [2022-11-02 20:47:50,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111625090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:50,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:50,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:47:50,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325250382] [2022-11-02 20:47:50,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:50,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:47:50,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:50,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:47:50,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:47:50,133 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:47:50,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:50,201 INFO L93 Difference]: Finished difference Result 135 states and 176 transitions. [2022-11-02 20:47:50,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:47:50,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-02 20:47:50,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:50,204 INFO L225 Difference]: With dead ends: 135 [2022-11-02 20:47:50,204 INFO L226 Difference]: Without dead ends: 71 [2022-11-02 20:47:50,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:47:50,206 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 116 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:50,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 220 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:47:50,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2022-11-02 20:47:50,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2022-11-02 20:47:50,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-02 20:47:50,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2022-11-02 20:47:50,221 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 31 [2022-11-02 20:47:50,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:50,221 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2022-11-02 20:47:50,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:47:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2022-11-02 20:47:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-02 20:47:50,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:50,224 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:50,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:47:50,224 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:50,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:50,225 INFO L85 PathProgramCache]: Analyzing trace with hash -668349169, now seen corresponding path program 1 times [2022-11-02 20:47:50,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:50,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670214790] [2022-11-02 20:47:50,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:50,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:47:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:47:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:50,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:50,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670214790] [2022-11-02 20:47:50,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670214790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:50,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:50,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:47:50,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523121505] [2022-11-02 20:47:50,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:50,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:47:50,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:50,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:47:50,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:47:50,505 INFO L87 Difference]: Start difference. First operand 71 states and 90 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:47:50,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:50,726 INFO L93 Difference]: Finished difference Result 213 states and 271 transitions. [2022-11-02 20:47:50,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:47:50,726 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-11-02 20:47:50,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:50,729 INFO L225 Difference]: With dead ends: 213 [2022-11-02 20:47:50,729 INFO L226 Difference]: Without dead ends: 149 [2022-11-02 20:47:50,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:47:50,732 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:50,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 311 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:47:50,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-02 20:47:50,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 143. [2022-11-02 20:47:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 119 states have internal predecessors, (143), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-11-02 20:47:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 176 transitions. [2022-11-02 20:47:50,765 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 176 transitions. Word has length 41 [2022-11-02 20:47:50,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:50,765 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 176 transitions. [2022-11-02 20:47:50,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 20:47:50,766 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 176 transitions. [2022-11-02 20:47:50,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 20:47:50,767 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:50,767 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:50,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:47:50,768 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:50,769 INFO L85 PathProgramCache]: Analyzing trace with hash 103943489, now seen corresponding path program 1 times [2022-11-02 20:47:50,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:50,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129078815] [2022-11-02 20:47:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:50,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:47:50,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:50,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:50,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129078815] [2022-11-02 20:47:50,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129078815] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:50,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:50,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:47:50,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045772429] [2022-11-02 20:47:50,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:50,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:47:50,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:47:50,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:47:50,995 INFO L87 Difference]: Start difference. First operand 143 states and 176 transitions. Second operand has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:51,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:51,263 INFO L93 Difference]: Finished difference Result 301 states and 377 transitions. [2022-11-02 20:47:51,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 20:47:51,264 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-02 20:47:51,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:51,276 INFO L225 Difference]: With dead ends: 301 [2022-11-02 20:47:51,276 INFO L226 Difference]: Without dead ends: 165 [2022-11-02 20:47:51,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-02 20:47:51,281 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 109 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:51,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 423 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:47:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-11-02 20:47:51,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 145. [2022-11-02 20:47:51,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 121 states have internal predecessors, (145), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-11-02 20:47:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 178 transitions. [2022-11-02 20:47:51,333 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 178 transitions. Word has length 45 [2022-11-02 20:47:51,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:51,334 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 178 transitions. [2022-11-02 20:47:51,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.714285714285714) internal successors, (40), 6 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:51,335 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2022-11-02 20:47:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 20:47:51,341 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:51,341 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:51,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:47:51,342 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:51,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:51,342 INFO L85 PathProgramCache]: Analyzing trace with hash 921591939, now seen corresponding path program 1 times [2022-11-02 20:47:51,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:51,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916181908] [2022-11-02 20:47:51,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:51,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:47:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:51,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:51,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916181908] [2022-11-02 20:47:51,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916181908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:51,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:51,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:47:51,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605881437] [2022-11-02 20:47:51,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:51,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:47:51,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:51,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:47:51,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:47:51,508 INFO L87 Difference]: Start difference. First operand 145 states and 178 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:51,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:51,687 INFO L93 Difference]: Finished difference Result 291 states and 361 transitions. [2022-11-02 20:47:51,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:47:51,688 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-02 20:47:51,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:51,694 INFO L225 Difference]: With dead ends: 291 [2022-11-02 20:47:51,694 INFO L226 Difference]: Without dead ends: 153 [2022-11-02 20:47:51,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:47:51,703 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 64 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:51,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 376 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:47:51,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-11-02 20:47:51,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 148. [2022-11-02 20:47:51,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 117 states have (on average 1.264957264957265) internal successors, (148), 124 states have internal predecessors, (148), 14 states have call successors, (14), 13 states have call predecessors, (14), 16 states have return successors, (19), 15 states have call predecessors, (19), 14 states have call successors, (19) [2022-11-02 20:47:51,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 181 transitions. [2022-11-02 20:47:51,749 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 181 transitions. Word has length 45 [2022-11-02 20:47:51,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:51,749 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 181 transitions. [2022-11-02 20:47:51,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 181 transitions. [2022-11-02 20:47:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-02 20:47:51,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:51,753 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:51,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:47:51,753 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:51,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:51,754 INFO L85 PathProgramCache]: Analyzing trace with hash 322798207, now seen corresponding path program 1 times [2022-11-02 20:47:51,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:51,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296049225] [2022-11-02 20:47:51,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:51,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:47:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:51,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:51,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:51,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296049225] [2022-11-02 20:47:51,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296049225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:51,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:51,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:47:51,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439078251] [2022-11-02 20:47:51,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:51,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:47:51,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:51,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:47:51,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:47:51,921 INFO L87 Difference]: Start difference. First operand 148 states and 181 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:52,209 INFO L93 Difference]: Finished difference Result 416 states and 530 transitions. [2022-11-02 20:47:52,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:47:52,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-02 20:47:52,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:52,212 INFO L225 Difference]: With dead ends: 416 [2022-11-02 20:47:52,213 INFO L226 Difference]: Without dead ends: 275 [2022-11-02 20:47:52,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:47:52,214 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 204 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:52,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 314 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:47:52,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2022-11-02 20:47:52,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 267. [2022-11-02 20:47:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 208 states have (on average 1.2548076923076923) internal successors, (261), 219 states have internal predecessors, (261), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-11-02 20:47:52,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 334 transitions. [2022-11-02 20:47:52,250 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 334 transitions. Word has length 45 [2022-11-02 20:47:52,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:52,250 INFO L495 AbstractCegarLoop]: Abstraction has 267 states and 334 transitions. [2022-11-02 20:47:52,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:47:52,251 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 334 transitions. [2022-11-02 20:47:52,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-02 20:47:52,252 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:52,252 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:52,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:47:52,253 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:52,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:52,253 INFO L85 PathProgramCache]: Analyzing trace with hash -916701465, now seen corresponding path program 1 times [2022-11-02 20:47:52,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:52,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518017131] [2022-11-02 20:47:52,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:52,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:47:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:47:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:52,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:52,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518017131] [2022-11-02 20:47:52,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518017131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:52,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:52,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:47:52,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282437730] [2022-11-02 20:47:52,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:52,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:47:52,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:52,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:47:52,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:47:52,376 INFO L87 Difference]: Start difference. First operand 267 states and 334 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:47:52,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:52,603 INFO L93 Difference]: Finished difference Result 530 states and 663 transitions. [2022-11-02 20:47:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:47:52,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-11-02 20:47:52,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:52,606 INFO L225 Difference]: With dead ends: 530 [2022-11-02 20:47:52,606 INFO L226 Difference]: Without dead ends: 270 [2022-11-02 20:47:52,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:47:52,608 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 111 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:52,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 340 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:47:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2022-11-02 20:47:52,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 265. [2022-11-02 20:47:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 206 states have (on average 1.2475728155339805) internal successors, (257), 217 states have internal predecessors, (257), 29 states have call successors, (29), 28 states have call predecessors, (29), 29 states have return successors, (44), 29 states have call predecessors, (44), 29 states have call successors, (44) [2022-11-02 20:47:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 330 transitions. [2022-11-02 20:47:52,639 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 330 transitions. Word has length 47 [2022-11-02 20:47:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:52,639 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 330 transitions. [2022-11-02 20:47:52,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:47:52,640 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 330 transitions. [2022-11-02 20:47:52,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-02 20:47:52,641 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:52,641 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:52,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:47:52,641 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:52,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:52,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1637594841, now seen corresponding path program 1 times [2022-11-02 20:47:52,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:52,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862829592] [2022-11-02 20:47:52,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:52,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:47:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:47:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-02 20:47:52,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:52,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:52,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862829592] [2022-11-02 20:47:52,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862829592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:52,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:52,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:47:52,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396262069] [2022-11-02 20:47:52,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:52,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:47:52,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:52,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:47:52,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:47:52,763 INFO L87 Difference]: Start difference. First operand 265 states and 330 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:47:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:53,186 INFO L93 Difference]: Finished difference Result 525 states and 658 transitions. [2022-11-02 20:47:53,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:47:53,187 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2022-11-02 20:47:53,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:53,189 INFO L225 Difference]: With dead ends: 525 [2022-11-02 20:47:53,190 INFO L226 Difference]: Without dead ends: 314 [2022-11-02 20:47:53,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-02 20:47:53,191 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 208 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:53,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 524 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:47:53,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-11-02 20:47:53,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 301. [2022-11-02 20:47:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.228813559322034) internal successors, (290), 250 states have internal predecessors, (290), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-11-02 20:47:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 366 transitions. [2022-11-02 20:47:53,226 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 366 transitions. Word has length 49 [2022-11-02 20:47:53,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:53,227 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 366 transitions. [2022-11-02 20:47:53,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 20:47:53,227 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 366 transitions. [2022-11-02 20:47:53,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:47:53,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:53,228 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:53,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:47:53,229 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:53,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:53,229 INFO L85 PathProgramCache]: Analyzing trace with hash -32680003, now seen corresponding path program 1 times [2022-11-02 20:47:53,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:53,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210379601] [2022-11-02 20:47:53,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:53,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:53,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:47:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:47:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:47:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:47:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:53,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:53,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210379601] [2022-11-02 20:47:53,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210379601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:53,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:53,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-02 20:47:53,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921884720] [2022-11-02 20:47:53,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:53,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-02 20:47:53,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:53,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 20:47:53,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:47:53,409 INFO L87 Difference]: Start difference. First operand 301 states and 366 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:47:53,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:53,729 INFO L93 Difference]: Finished difference Result 550 states and 676 transitions. [2022-11-02 20:47:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 20:47:53,730 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-02 20:47:53,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:53,733 INFO L225 Difference]: With dead ends: 550 [2022-11-02 20:47:53,734 INFO L226 Difference]: Without dead ends: 305 [2022-11-02 20:47:53,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:47:53,735 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 164 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:53,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 441 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 20:47:53,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2022-11-02 20:47:53,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 301. [2022-11-02 20:47:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.2245762711864407) internal successors, (289), 250 states have internal predecessors, (289), 32 states have call successors, (32), 28 states have call predecessors, (32), 32 states have return successors, (44), 32 states have call predecessors, (44), 32 states have call successors, (44) [2022-11-02 20:47:53,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 365 transitions. [2022-11-02 20:47:53,778 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 365 transitions. Word has length 51 [2022-11-02 20:47:53,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:53,779 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 365 transitions. [2022-11-02 20:47:53,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 7 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:47:53,779 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 365 transitions. [2022-11-02 20:47:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:47:53,780 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:53,781 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:53,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 20:47:53,781 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:53,782 INFO L85 PathProgramCache]: Analyzing trace with hash -251534721, now seen corresponding path program 1 times [2022-11-02 20:47:53,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:53,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293053739] [2022-11-02 20:47:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:53,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:47:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:47:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:47:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:47:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:47:53,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:53,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293053739] [2022-11-02 20:47:53,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293053739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:47:53,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:47:53,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:47:53,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661603894] [2022-11-02 20:47:53,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:47:53,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:47:53,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:53,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:47:53,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:47:53,922 INFO L87 Difference]: Start difference. First operand 301 states and 365 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:47:54,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:54,105 INFO L93 Difference]: Finished difference Result 521 states and 638 transitions. [2022-11-02 20:47:54,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:47:54,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-11-02 20:47:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:54,107 INFO L225 Difference]: With dead ends: 521 [2022-11-02 20:47:54,108 INFO L226 Difference]: Without dead ends: 276 [2022-11-02 20:47:54,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:47:54,110 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 133 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:54,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 316 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:47:54,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-11-02 20:47:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 272. [2022-11-02 20:47:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 214 states have (on average 1.2242990654205608) internal successors, (262), 227 states have internal predecessors, (262), 29 states have call successors, (29), 25 states have call predecessors, (29), 28 states have return successors, (37), 28 states have call predecessors, (37), 29 states have call successors, (37) [2022-11-02 20:47:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 328 transitions. [2022-11-02 20:47:54,140 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 328 transitions. Word has length 51 [2022-11-02 20:47:54,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:54,142 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 328 transitions. [2022-11-02 20:47:54,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:47:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 328 transitions. [2022-11-02 20:47:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-02 20:47:54,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:47:54,143 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:47:54,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 20:47:54,144 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:47:54,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:47:54,144 INFO L85 PathProgramCache]: Analyzing trace with hash -614822540, now seen corresponding path program 1 times [2022-11-02 20:47:54,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:47:54,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468646343] [2022-11-02 20:47:54,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:54,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:47:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:54,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 20:47:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:47:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:54,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:47:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 20:47:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-02 20:47:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:54,355 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:47:54,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:47:54,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468646343] [2022-11-02 20:47:54,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468646343] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:47:54,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35454009] [2022-11-02 20:47:54,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:47:54,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:47:54,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:47:54,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:47:54,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:47:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:47:54,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-02 20:47:54,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:47:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-02 20:47:54,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:47:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 20:47:55,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35454009] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:47:55,159 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:47:55,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2022-11-02 20:47:55,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874973611] [2022-11-02 20:47:55,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:47:55,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-02 20:47:55,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:47:55,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-02 20:47:55,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-11-02 20:47:55,162 INFO L87 Difference]: Start difference. First operand 272 states and 328 transitions. Second operand has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-02 20:47:56,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:47:56,884 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2022-11-02 20:47:56,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-11-02 20:47:56,884 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) Word has length 81 [2022-11-02 20:47:56,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:47:56,885 INFO L225 Difference]: With dead ends: 820 [2022-11-02 20:47:56,885 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:47:56,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 161 SyntacticMatches, 7 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=927, Invalid=3765, Unknown=0, NotChecked=0, Total=4692 [2022-11-02 20:47:56,889 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 932 mSDsluCounter, 728 mSDsCounter, 0 mSdLazyCounter, 1012 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1012 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:47:56,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 860 Invalid, 1404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1012 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-02 20:47:56,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:47:56,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:47:56,890 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) [2022-11-02 20:47:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:47:56,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 81 [2022-11-02 20:47:56,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:47:56,891 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:47:56,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.947368421052632) internal successors, (132), 14 states have internal predecessors, (132), 7 states have call successors, (17), 10 states have call predecessors, (17), 8 states have return successors, (15), 8 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-02 20:47:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:47:56,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:47:56,894 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:47:56,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:47:57,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-02 20:47:57,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:48:02,389 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 806 812) no Hoare annotation was computed. [2022-11-02 20:48:02,389 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 806 812) the Hoare annotation is: true [2022-11-02 20:48:02,390 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 486 497) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not .cse6)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse7 (not .cse1)) (.cse2 (not (= ~pumpRunning~0 1))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse2 .cse3 .cse4)))) [2022-11-02 20:48:02,390 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 486 497) no Hoare annotation was computed. [2022-11-02 20:48:02,390 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 486 497) no Hoare annotation was computed. [2022-11-02 20:48:02,390 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2022-11-02 20:48:02,391 INFO L895 garLoopResultBuilder]: At program point L535(lines 530 538) the Hoare annotation is: (let ((.cse9 (= ~pumpRunning~0 0)) (.cse6 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse3 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (= ~methaneLevelCritical~0 0)) (.cse1 (= 0 ~systemActive~0)) (.cse8 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse4 (<= ~waterLevel~0 1)) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (and .cse3 .cse4 .cse5 .cse6 .cse7) .cse1 .cse8 (and .cse3 .cse9 .cse4 .cse5 .cse6))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 (and .cse3 .cse9 .cse10 .cse6)) (or .cse0 (and .cse3 .cse10 .cse7) .cse1 .cse8 (not (<= 2 |old(~waterLevel~0)|))) (or .cse11 .cse2 .cse1 .cse8) (or .cse0 .cse11 .cse1 .cse8))) [2022-11-02 20:48:02,391 INFO L895 garLoopResultBuilder]: At program point L878(lines 873 880) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) .cse0 .cse1))) [2022-11-02 20:48:02,391 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 782 805) no Hoare annotation was computed. [2022-11-02 20:48:02,391 INFO L899 garLoopResultBuilder]: For program point L965(lines 965 969) no Hoare annotation was computed. [2022-11-02 20:48:02,391 INFO L899 garLoopResultBuilder]: For program point L965-2(lines 965 969) no Hoare annotation was computed. [2022-11-02 20:48:02,392 INFO L895 garLoopResultBuilder]: At program point L705(lines 700 707) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-02 20:48:02,392 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-02 20:48:02,392 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2022-11-02 20:48:02,392 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 462 473) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-02 20:48:02,392 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 449) no Hoare annotation was computed. [2022-11-02 20:48:02,392 INFO L895 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-02 20:48:02,393 INFO L895 garLoopResultBuilder]: At program point L859-1(lines 840 864) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 .cse6 .cse4) (not (= |old(~pumpRunning~0)| 1)) (and .cse7 .cse5 .cse6) .cse1 .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse7 .cse3) .cse1))) [2022-11-02 20:48:02,393 INFO L899 garLoopResultBuilder]: For program point L793-1(lines 793 799) no Hoare annotation was computed. [2022-11-02 20:48:02,393 INFO L895 garLoopResultBuilder]: At program point L558(lines 553 561) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-02 20:48:02,393 INFO L895 garLoopResultBuilder]: At program point L971(lines 956 974) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (or (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1)) (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1))) [2022-11-02 20:48:02,393 INFO L895 garLoopResultBuilder]: At program point L897(lines 892 900) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|) (= |timeShift_isPumpRunning_#res#1| 1) (<= 2 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 1)) .cse1 .cse2) (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-11-02 20:48:02,393 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 445) no Hoare annotation was computed. [2022-11-02 20:48:02,394 INFO L899 garLoopResultBuilder]: For program point L435(lines 435 448) no Hoare annotation was computed. [2022-11-02 20:48:02,394 INFO L895 garLoopResultBuilder]: At program point L435-1(lines 420 452) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~3#1|)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (= ~pumpRunning~0 1))) (let ((.cse8 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (<= ~waterLevel~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (and (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1) (<= |timeShift_getWaterLevel_#res#1| 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and .cse7 (<= 2 ~waterLevel~0) .cse10 .cse12)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse3 .cse4) (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse7 .cse8 .cse9 .cse11) .cse2 .cse3 .cse4 (and .cse7 .cse9 .cse11 .cse12))) (or .cse5 .cse0 .cse1 .cse6 .cse3 .cse4)))) [2022-11-02 20:48:02,394 INFO L899 garLoopResultBuilder]: For program point L786-1(lines 785 804) no Hoare annotation was computed. [2022-11-02 20:48:02,394 INFO L899 garLoopResultBuilder]: For program point L848(lines 848 856) no Hoare annotation was computed. [2022-11-02 20:48:02,394 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 782 805) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 1)) .cse0 .cse1 (and .cse2 (= ~pumpRunning~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse2) .cse0 .cse1))) [2022-11-02 20:48:02,394 INFO L899 garLoopResultBuilder]: For program point L844(lines 844 861) no Hoare annotation was computed. [2022-11-02 20:48:02,395 INFO L895 garLoopResultBuilder]: At program point L427(line 427) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse5 (<= ~waterLevel~0 1)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse5 .cse6 .cse4) (not (= |old(~pumpRunning~0)| 1)) (and .cse7 .cse5 .cse6) .cse1 .cse2)) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 (and .cse7 .cse3) .cse1))) [2022-11-02 20:48:02,395 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 782 805) no Hoare annotation was computed. [2022-11-02 20:48:02,395 INFO L899 garLoopResultBuilder]: For program point L427-1(line 427) no Hoare annotation was computed. [2022-11-02 20:48:02,395 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 704) no Hoare annotation was computed. [2022-11-02 20:48:02,396 INFO L899 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-11-02 20:48:02,396 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 565 594) no Hoare annotation was computed. [2022-11-02 20:48:02,396 INFO L902 garLoopResultBuilder]: At program point L575-2(lines 575 589) the Hoare annotation is: true [2022-11-02 20:48:02,396 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 565 594) the Hoare annotation is: true [2022-11-02 20:48:02,396 INFO L902 garLoopResultBuilder]: At program point L571(line 571) the Hoare annotation is: true [2022-11-02 20:48:02,396 INFO L899 garLoopResultBuilder]: For program point L571-1(line 571) no Hoare annotation was computed. [2022-11-02 20:48:02,396 INFO L902 garLoopResultBuilder]: At program point L590(lines 565 594) the Hoare annotation is: true [2022-11-02 20:48:02,396 INFO L899 garLoopResultBuilder]: For program point L586(line 586) no Hoare annotation was computed. [2022-11-02 20:48:02,396 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 583) no Hoare annotation was computed. [2022-11-02 20:48:02,396 INFO L902 garLoopResultBuilder]: At program point L579-1(lines 579 583) the Hoare annotation is: true [2022-11-02 20:48:02,397 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 498 506) the Hoare annotation is: true [2022-11-02 20:48:02,397 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 498 506) no Hoare annotation was computed. [2022-11-02 20:48:02,397 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 498 506) no Hoare annotation was computed. [2022-11-02 20:48:02,397 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 762) no Hoare annotation was computed. [2022-11-02 20:48:02,397 INFO L895 garLoopResultBuilder]: At program point L758-2(lines 750 763) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-11-02 20:48:02,397 INFO L899 garLoopResultBuilder]: For program point L721(lines 720 767) no Hoare annotation was computed. [2022-11-02 20:48:02,397 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 763) no Hoare annotation was computed. [2022-11-02 20:48:02,397 INFO L899 garLoopResultBuilder]: For program point L651(lines 651 658) no Hoare annotation was computed. [2022-11-02 20:48:02,397 INFO L899 garLoopResultBuilder]: For program point L651-2(lines 651 658) no Hoare annotation was computed. [2022-11-02 20:48:02,397 INFO L895 garLoopResultBuilder]: At program point L680(lines 676 682) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:48:02,398 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-11-02 20:48:02,398 INFO L902 garLoopResultBuilder]: At program point L771(lines 710 775) the Hoare annotation is: true [2022-11-02 20:48:02,398 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:48:02,398 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:48:02,398 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:48:02,398 INFO L902 garLoopResultBuilder]: At program point L635(lines 628 637) the Hoare annotation is: true [2022-11-02 20:48:02,398 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 736) no Hoare annotation was computed. [2022-11-02 20:48:02,398 INFO L899 garLoopResultBuilder]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2022-11-02 20:48:02,398 INFO L902 garLoopResultBuilder]: At program point L660(lines 641 663) the Hoare annotation is: true [2022-11-02 20:48:02,398 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 726) no Hoare annotation was computed. [2022-11-02 20:48:02,399 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:48:02,399 INFO L895 garLoopResultBuilder]: At program point L768(lines 719 769) the Hoare annotation is: false [2022-11-02 20:48:02,399 INFO L895 garLoopResultBuilder]: At program point L624(lines 620 626) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:48:02,399 INFO L899 garLoopResultBuilder]: For program point L740(lines 740 746) no Hoare annotation was computed. [2022-11-02 20:48:02,399 INFO L899 garLoopResultBuilder]: For program point L740-1(lines 740 746) no Hoare annotation was computed. [2022-11-02 20:48:02,399 INFO L895 garLoopResultBuilder]: At program point L765(lines 720 767) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-11-02 20:48:02,399 INFO L895 garLoopResultBuilder]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= ~waterLevel~0 2) .cse3 (= ~pumpRunning~0 1)))) [2022-11-02 20:48:02,399 INFO L895 garLoopResultBuilder]: At program point L695(lines 690 698) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:48:02,400 INFO L895 garLoopResultBuilder]: At program point L980(lines 975 982) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~pumpRunning~0 1)))) [2022-11-02 20:48:02,400 INFO L895 garLoopResultBuilder]: At program point L687(lines 683 689) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:48:02,400 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 814 838) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-02 20:48:02,400 INFO L899 garLoopResultBuilder]: For program point L543(lines 543 549) no Hoare annotation was computed. [2022-11-02 20:48:02,400 INFO L895 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse1) (or (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) .cse0 .cse2 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse1))) [2022-11-02 20:48:02,400 INFO L895 garLoopResultBuilder]: At program point L952(lines 937 955) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (.cse4 (not (<= ~waterLevel~0 1))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) .cse3) .cse4 .cse5) (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= ~waterLevel~0 2)) .cse5 (and .cse1 .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not .cse3) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0))) (or (not (= |old(~pumpRunning~0)| 1)) .cse4 .cse5))) [2022-11-02 20:48:02,401 INFO L899 garLoopResultBuilder]: For program point L822(lines 822 830) no Hoare annotation was computed. [2022-11-02 20:48:02,401 INFO L899 garLoopResultBuilder]: For program point L818(lines 818 835) no Hoare annotation was computed. [2022-11-02 20:48:02,401 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 950) no Hoare annotation was computed. [2022-11-02 20:48:02,401 INFO L899 garLoopResultBuilder]: For program point L946-2(lines 946 950) no Hoare annotation was computed. [2022-11-02 20:48:02,401 INFO L895 garLoopResultBuilder]: At program point L870(lines 865 872) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 1))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= ~waterLevel~0 2)) .cse1 (and (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~8#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= ~pumpRunning~0 1))) (or .cse0 .cse2 .cse1) (or (not (= |old(~pumpRunning~0)| 1)) .cse2 .cse1))) [2022-11-02 20:48:02,403 INFO L895 garLoopResultBuilder]: At program point L548(lines 539 552) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 (not .cse2)) .cse3 .cse4) (or .cse0 (not (<= 2 ~waterLevel~0)) (and .cse1 .cse2) (not (<= ~waterLevel~0 2)) .cse4) (or (not (= |old(~pumpRunning~0)| 1)) .cse3 .cse4))) [2022-11-02 20:48:02,403 INFO L895 garLoopResultBuilder]: At program point L833(line 833) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 1)) (not (<= ~waterLevel~0 1)) .cse0 (= ~pumpRunning~0 1)) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= ~waterLevel~0 2)) .cse0))) [2022-11-02 20:48:02,403 INFO L899 garLoopResultBuilder]: For program point L833-1(lines 814 838) no Hoare annotation was computed. [2022-11-02 20:48:02,403 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 814 838) no Hoare annotation was computed. [2022-11-02 20:48:02,403 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 474 485) no Hoare annotation was computed. [2022-11-02 20:48:02,403 INFO L899 garLoopResultBuilder]: For program point L478-1(lines 474 485) no Hoare annotation was computed. [2022-11-02 20:48:02,411 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 474 485) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= |old(~waterLevel~0)| 1)) (not (= ~pumpRunning~0 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 1)) .cse0 .cse1 (not (<= |old(~waterLevel~0)| 2))))) [2022-11-02 20:48:02,415 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:48:02,417 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:48:02,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:48:02 BoogieIcfgContainer [2022-11-02 20:48:02,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:48:02,477 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:48:02,477 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:48:02,477 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:48:02,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:47:49" (3/4) ... [2022-11-02 20:48:02,481 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:48:02,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:48:02,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:48:02,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:48:02,490 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:48:02,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:48:02,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-02 20:48:02,491 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:48:02,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-11-02 20:48:02,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:48:02,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:48:02,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:48:02,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:48:02,510 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:48:02,511 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:48:02,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:48:02,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:48:02,544 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-11-02 20:48:02,546 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,547 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) [2022-11-02 20:48:02,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) [2022-11-02 20:48:02,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((tmp___0 <= 1 && \result <= 1) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,549 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 1) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((methaneLevelCritical == tmp && pumpRunning == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-11-02 20:48:02,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,550 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && \result == 1) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0))) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-11-02 20:48:02,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,551 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) [2022-11-02 20:48:02,552 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:48:02,600 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:48:02,601 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:48:02,601 INFO L158 Benchmark]: Toolchain (without parser) took 14726.38ms. Allocated memory was 90.2MB in the beginning and 159.4MB in the end (delta: 69.2MB). Free memory was 54.6MB in the beginning and 62.1MB in the end (delta: -7.5MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-02 20:48:02,602 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:48:02,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.67ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 76.9MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:48:02,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.02ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 74.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:48:02,603 INFO L158 Benchmark]: Boogie Preprocessor took 44.09ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 72.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:48:02,604 INFO L158 Benchmark]: RCFGBuilder took 581.96ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 53.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:48:02,604 INFO L158 Benchmark]: TraceAbstraction took 13406.46ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 52.8MB in the beginning and 68.4MB in the end (delta: -15.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-02 20:48:02,605 INFO L158 Benchmark]: Witness Printer took 123.77ms. Allocated memory is still 159.4MB. Free memory was 68.4MB in the beginning and 62.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:48:02,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 90.2MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.67ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.5MB in the beginning and 76.9MB in the end (delta: -22.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.02ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 74.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.09ms. Allocated memory is still 109.1MB. Free memory was 74.2MB in the beginning and 72.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.96ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 53.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13406.46ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 52.8MB in the beginning and 68.4MB in the end (delta: -15.6MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Witness Printer took 123.77ms. Allocated memory is still 159.4MB. Free memory was 68.4MB in the beginning and 62.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 704]: 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 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.3s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2255 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2227 mSDsluCounter, 4400 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3098 mSDsCounter, 683 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2380 IncrementalHoareTripleChecker+Invalid, 3063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 683 mSolverCounterUnsat, 1302 mSDtfsCounter, 2380 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 398 GetRequests, 246 SyntacticMatches, 7 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1275 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=9, InterpolantAutomatonStates: 134, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 65 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 1117 PreInvPairs, 1368 NumberOfFragments, 1438 HoareAnnotationTreeSize, 1117 FomulaSimplifications, 212 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 12217 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 618 NumberOfCodeBlocks, 618 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 685 ConstructedInterpolants, 0 QuantifiedInterpolants, 1315 SizeOfPredicates, 4 NumberOfNonLiveVariables, 438 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 45/63 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: 420]: Loop Invariant Derived loop invariant: (((((((tmp___0 <= 1 && \result <= 1) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || (((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1))) && (((((!(\old(pumpRunning) == 0) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == tmp && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 1) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 720]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 937]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || !(waterLevel <= 2)) || 0 == systemActive) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0))) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 676]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 539]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(\result == 0))) || !(waterLevel <= 1)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(2 <= waterLevel)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 840]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1)) || !(2 <= \old(waterLevel))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || 0 == systemActive) - InvariantResult [Line: 975]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) || (((((\result == 1 && tmp == 1) && splverifierCounter == 0) && waterLevel <= 2) && !(0 == systemActive)) && pumpRunning == 1) - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && \result == 1) && 2 <= waterLevel) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 641]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 865]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(waterLevel <= 2)) || 0 == systemActive) || (((((!(tmp == 0) && tmp == 0) && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && pumpRunning == 1)) && ((!(\old(pumpRunning) == 0) || !(waterLevel <= 1)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 1) || !(waterLevel <= 1)) || 0 == systemActive) - InvariantResult [Line: 956]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) || \result == 1) && ((((!(\old(pumpRunning) == 1) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || 0 == systemActive) || (((methaneLevelCritical == tmp && pumpRunning == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || !(2 <= \old(waterLevel)))) && (((methaneLevelCritical == 0 || !(\old(pumpRunning) == 1)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 1) || 0 == systemActive) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:48:02,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c5c694a4-9a7d-4dfd-a449-383574b72b3d/bin/uautomizer-Dbtcem3rbc/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