./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/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_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/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_c35278d1-68b2-427e-a2ff-9f36174f73eb/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 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da --- 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 20:49:08,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:49:08,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:49:08,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:49:08,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:49:08,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:49:08,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:49:08,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:49:08,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:49:08,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:49:08,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:49:08,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:49:08,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:49:08,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:49:08,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:49:08,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:49:08,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:49:08,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:49:08,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:49:08,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:49:08,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:49:08,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:49:08,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:49:08,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:49:08,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:49:08,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:49:08,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:49:08,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:49:08,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:49:08,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:49:08,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:49:08,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:49:08,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:49:08,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:49:08,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:49:08,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:49:08,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:49:08,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:49:08,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:49:08,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:49:08,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:49:08,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:49:08,599 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:49:08,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:49:08,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:49:08,601 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:49:08,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:49:08,602 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:49:08,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:49:08,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:49:08,603 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:49:08,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:49:08,605 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:49:08,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:49:08,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:49:08,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:49:08,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:49:08,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:49:08,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:49:08,606 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:49:08,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:49:08,607 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:49:08,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:49:08,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:49:08,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:49:08,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:49:08,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:49:08,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:49:08,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:49:08,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:49:08,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:49:08,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:49:08,611 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:49:08,611 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:49:08,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:49:08,612 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_c35278d1-68b2-427e-a2ff-9f36174f73eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76f5874bdc2210da6be360b9991ed804689b1623a0180577df5607e0ad5d02da [2022-11-02 20:49:08,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:49:08,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:49:08,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:49:08,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:49:08,944 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:49:08,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2022-11-02 20:49:09,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/data/1f47e9db3/bc672192441f48a0a981494492185785/FLAG2211941fb [2022-11-02 20:49:09,584 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:49:09,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c [2022-11-02 20:49:09,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/data/1f47e9db3/bc672192441f48a0a981494492185785/FLAG2211941fb [2022-11-02 20:49:09,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/data/1f47e9db3/bc672192441f48a0a981494492185785 [2022-11-02 20:49:09,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:49:09,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:49:09,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:49:09,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:49:09,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:49:09,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:49:09" (1/1) ... [2022-11-02 20:49:09,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa1d2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:09, skipping insertion in model container [2022-11-02 20:49:09,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:49:09" (1/1) ... [2022-11-02 20:49:09,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:49:09,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:49:10,160 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_c35278d1-68b2-427e-a2ff-9f36174f73eb/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2022-11-02 20:49:10,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:49:10,284 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:49:10,320 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_c35278d1-68b2-427e-a2ff-9f36174f73eb/sv-benchmarks/c/product-lines/minepump_spec5_product42.cil.c[3693,3706] [2022-11-02 20:49:10,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:49:10,412 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:49:10,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10 WrapperNode [2022-11-02 20:49:10,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:49:10,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:49:10,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:49:10,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:49:10,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,460 INFO L138 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 254 [2022-11-02 20:49:10,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:49:10,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:49:10,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:49:10,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:49:10,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,486 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:49:10,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:49:10,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:49:10,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:49:10,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (1/1) ... [2022-11-02 20:49:10,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:49:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:49:10,522 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:49:10,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:49:10,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:49:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-02 20:49:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-02 20:49:10,580 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:49:10,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:49:10,581 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:49:10,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:49:10,583 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:49:10,584 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:49:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-02 20:49:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-02 20:49:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:49:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:49:10,585 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:49:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:49:10,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:49:10,705 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:49:10,716 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:49:11,092 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:49:11,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:49:11,099 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:49:11,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:11 BoogieIcfgContainer [2022-11-02 20:49:11,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:49:11,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:49:11,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:49:11,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:49:11,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:49:09" (1/3) ... [2022-11-02 20:49:11,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7044821a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:49:11, skipping insertion in model container [2022-11-02 20:49:11,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:49:10" (2/3) ... [2022-11-02 20:49:11,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7044821a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:49:11, skipping insertion in model container [2022-11-02 20:49:11,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:11" (3/3) ... [2022-11-02 20:49:11,111 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2022-11-02 20:49:11,129 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:49:11,130 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:49:11,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:49:11,187 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;@1987ce37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:49:11,187 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:49:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-02 20:49:11,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-02 20:49:11,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:11,227 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:11,228 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:11,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:11,234 INFO L85 PathProgramCache]: Analyzing trace with hash -690410843, now seen corresponding path program 1 times [2022-11-02 20:49:11,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:11,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955840353] [2022-11-02 20:49:11,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:11,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:11,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 20:49:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:49:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:11,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:11,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:11,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955840353] [2022-11-02 20:49:11,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955840353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:11,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:11,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:49:11,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673682034] [2022-11-02 20:49:11,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:11,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:49:11,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:11,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:49:11,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:49:11,572 INFO L87 Difference]: Start difference. First operand has 85 states, 67 states have (on average 1.373134328358209) internal successors, (92), 73 states have internal predecessors, (92), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:49:11,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:11,604 INFO L93 Difference]: Finished difference Result 161 states and 218 transitions. [2022-11-02 20:49:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:49:11,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-11-02 20:49:11,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:11,616 INFO L225 Difference]: With dead ends: 161 [2022-11-02 20:49:11,616 INFO L226 Difference]: Without dead ends: 76 [2022-11-02 20:49:11,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:49:11,624 INFO L413 NwaCegarLoop]: 106 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, 106 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 20:49:11,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:49:11,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-02 20:49:11,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-02 20:49:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3) internal successors, (78), 65 states have internal predecessors, (78), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-02 20:49:11,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-11-02 20:49:11,668 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 32 [2022-11-02 20:49:11,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:11,669 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-11-02 20:49:11,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:49:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-11-02 20:49:11,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-02 20:49:11,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:11,672 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:11,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:49:11,673 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:11,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:11,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1965939987, now seen corresponding path program 1 times [2022-11-02 20:49:11,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:11,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776767437] [2022-11-02 20:49:11,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:11,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:49:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-02 20:49:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:11,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:11,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776767437] [2022-11-02 20:49:11,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776767437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:11,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:11,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:49:11,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047309804] [2022-11-02 20:49:11,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:11,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:49:11,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:11,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:49:11,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:49:11,869 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:49:11,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:11,897 INFO L93 Difference]: Finished difference Result 116 states and 148 transitions. [2022-11-02 20:49:11,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:49:11,898 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-02 20:49:11,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:11,900 INFO L225 Difference]: With dead ends: 116 [2022-11-02 20:49:11,900 INFO L226 Difference]: Without dead ends: 67 [2022-11-02 20:49:11,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:49:11,902 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 13 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 151 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 20:49:11,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 151 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:49:11,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-02 20:49:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-02 20:49:11,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 59 states have internal predecessors, (71), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:49:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 85 transitions. [2022-11-02 20:49:11,919 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 85 transitions. Word has length 33 [2022-11-02 20:49:11,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:11,920 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 85 transitions. [2022-11-02 20:49:11,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:49:11,921 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2022-11-02 20:49:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:49:11,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:11,925 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:11,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:49:11,926 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:11,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:11,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1695410136, now seen corresponding path program 1 times [2022-11-02 20:49:11,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:11,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551066786] [2022-11-02 20:49:11,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:11,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:49:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-02 20:49:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:12,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:12,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551066786] [2022-11-02 20:49:12,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551066786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:12,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:12,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:49:12,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81020746] [2022-11-02 20:49:12,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:12,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:49:12,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:12,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:49:12,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:49:12,170 INFO L87 Difference]: Start difference. First operand 67 states and 85 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:12,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:12,238 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2022-11-02 20:49:12,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:49:12,239 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2022-11-02 20:49:12,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:12,240 INFO L225 Difference]: With dead ends: 126 [2022-11-02 20:49:12,241 INFO L226 Difference]: Without dead ends: 67 [2022-11-02 20:49:12,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 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 20:49:12,243 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 108 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 200 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 20:49:12,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 200 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:49:12,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-02 20:49:12,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-02 20:49:12,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 54 states have (on average 1.2962962962962963) internal successors, (70), 59 states have internal predecessors, (70), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-02 20:49:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-11-02 20:49:12,255 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 38 [2022-11-02 20:49:12,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:12,260 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-11-02 20:49:12,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-11-02 20:49:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-02 20:49:12,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:12,263 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:12,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:49:12,263 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:12,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:12,264 INFO L85 PathProgramCache]: Analyzing trace with hash 610140587, now seen corresponding path program 1 times [2022-11-02 20:49:12,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:12,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923472738] [2022-11-02 20:49:12,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:12,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:12,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:49:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:49:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-02 20:49:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:12,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:12,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923472738] [2022-11-02 20:49:12,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923472738] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:12,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:12,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:49:12,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473553676] [2022-11-02 20:49:12,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:12,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:49:12,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:12,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:49:12,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:49:12,394 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 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 20:49:12,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:12,425 INFO L93 Difference]: Finished difference Result 171 states and 219 transitions. [2022-11-02 20:49:12,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:49:12,426 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 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 43 [2022-11-02 20:49:12,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:12,428 INFO L225 Difference]: With dead ends: 171 [2022-11-02 20:49:12,428 INFO L226 Difference]: Without dead ends: 112 [2022-11-02 20:49:12,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 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 20:49:12,430 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 52 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:12,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 150 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:49:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2022-11-02 20:49:12,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 110. [2022-11-02 20:49:12,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 94 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-11-02 20:49:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 138 transitions. [2022-11-02 20:49:12,448 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 138 transitions. Word has length 43 [2022-11-02 20:49:12,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:12,449 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 138 transitions. [2022-11-02 20:49:12,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 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 20:49:12,449 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 138 transitions. [2022-11-02 20:49:12,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-02 20:49:12,451 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:12,451 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:12,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:49:12,451 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:12,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:12,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1028234707, now seen corresponding path program 1 times [2022-11-02 20:49:12,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:12,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349785467] [2022-11-02 20:49:12,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:12,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:49:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-02 20:49:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-02 20:49:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 20:49:12,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:12,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349785467] [2022-11-02 20:49:12,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349785467] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:12,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:12,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:49:12,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101033509] [2022-11-02 20:49:12,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:12,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:49:12,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:12,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:49:12,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:49:12,704 INFO L87 Difference]: Start difference. First operand 110 states and 138 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:49:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:12,806 INFO L93 Difference]: Finished difference Result 217 states and 276 transitions. [2022-11-02 20:49:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:49:12,807 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2022-11-02 20:49:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:12,809 INFO L225 Difference]: With dead ends: 217 [2022-11-02 20:49:12,809 INFO L226 Difference]: Without dead ends: 115 [2022-11-02 20:49:12,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:49:12,811 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 36 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:12,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 405 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:49:12,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-02 20:49:12,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2022-11-02 20:49:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 86 states have (on average 1.2674418604651163) internal successors, (109), 93 states have internal predecessors, (109), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-11-02 20:49:12,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2022-11-02 20:49:12,827 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 49 [2022-11-02 20:49:12,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:12,828 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2022-11-02 20:49:12,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-02 20:49:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2022-11-02 20:49:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:49:12,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:12,830 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:12,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:49:12,831 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:12,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:12,831 INFO L85 PathProgramCache]: Analyzing trace with hash -2048289411, now seen corresponding path program 1 times [2022-11-02 20:49:12,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:12,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622685733] [2022-11-02 20:49:12,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:12,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:49:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:49:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:12,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:12,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622685733] [2022-11-02 20:49:12,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622685733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:12,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:12,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:49:12,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884758200] [2022-11-02 20:49:12,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:12,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:49:12,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:12,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:49:12,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:49:12,918 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:12,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:12,965 INFO L93 Difference]: Finished difference Result 234 states and 298 transitions. [2022-11-02 20:49:12,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:49:12,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2022-11-02 20:49:12,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:12,967 INFO L225 Difference]: With dead ends: 234 [2022-11-02 20:49:12,967 INFO L226 Difference]: Without dead ends: 133 [2022-11-02 20:49:12,969 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 20:49:12,970 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 33 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:12,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 348 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:49:12,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-02 20:49:12,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 112. [2022-11-02 20:49:12,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 89 states have (on average 1.2584269662921348) internal successors, (112), 96 states have internal predecessors, (112), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-11-02 20:49:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2022-11-02 20:49:12,985 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 51 [2022-11-02 20:49:12,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:12,985 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2022-11-02 20:49:12,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2022-11-02 20:49:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:49:12,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:12,987 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:12,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:49:12,988 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:12,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:12,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1625587585, now seen corresponding path program 1 times [2022-11-02 20:49:12,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:12,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303323964] [2022-11-02 20:49:12,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:12,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:49:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:49:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:13,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:13,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303323964] [2022-11-02 20:49:13,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303323964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:13,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:13,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:49:13,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033433839] [2022-11-02 20:49:13,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:13,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:49:13,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:13,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:49:13,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:49:13,097 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:13,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:13,128 INFO L93 Difference]: Finished difference Result 232 states and 293 transitions. [2022-11-02 20:49:13,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:49:13,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2022-11-02 20:49:13,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:13,131 INFO L225 Difference]: With dead ends: 232 [2022-11-02 20:49:13,131 INFO L226 Difference]: Without dead ends: 128 [2022-11-02 20:49:13,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:49:13,133 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 27 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:13,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 246 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:49:13,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-02 20:49:13,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2022-11-02 20:49:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 91 states have (on average 1.2527472527472527) internal successors, (114), 98 states have internal predecessors, (114), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (14), 12 states have call predecessors, (14), 12 states have call successors, (14) [2022-11-02 20:49:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2022-11-02 20:49:13,148 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 51 [2022-11-02 20:49:13,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:13,148 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2022-11-02 20:49:13,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2022-11-02 20:49:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-02 20:49:13,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:13,150 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:13,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 20:49:13,151 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:13,152 INFO L85 PathProgramCache]: Analyzing trace with hash 863941377, now seen corresponding path program 1 times [2022-11-02 20:49:13,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:13,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343736290] [2022-11-02 20:49:13,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:13,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-02 20:49:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:49:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:13,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:13,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343736290] [2022-11-02 20:49:13,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343736290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:13,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:13,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:49:13,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995857010] [2022-11-02 20:49:13,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:13,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:49:13,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:13,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:49:13,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:49:13,247 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:13,273 INFO L93 Difference]: Finished difference Result 266 states and 331 transitions. [2022-11-02 20:49:13,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:49:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2022-11-02 20:49:13,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:13,276 INFO L225 Difference]: With dead ends: 266 [2022-11-02 20:49:13,276 INFO L226 Difference]: Without dead ends: 160 [2022-11-02 20:49:13,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 20:49:13,277 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 35 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:13,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 159 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:49:13,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-02 20:49:13,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-11-02 20:49:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 127 states have (on average 1.2283464566929134) internal successors, (156), 135 states have internal predecessors, (156), 18 states have call successors, (18), 15 states have call predecessors, (18), 14 states have return successors, (20), 17 states have call predecessors, (20), 18 states have call successors, (20) [2022-11-02 20:49:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 194 transitions. [2022-11-02 20:49:13,296 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 194 transitions. Word has length 51 [2022-11-02 20:49:13,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:13,296 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 194 transitions. [2022-11-02 20:49:13,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 20:49:13,297 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 194 transitions. [2022-11-02 20:49:13,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 20:49:13,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:13,298 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:13,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 20:49:13,299 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:13,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash 159207591, now seen corresponding path program 1 times [2022-11-02 20:49:13,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:13,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901851203] [2022-11-02 20:49:13,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:13,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:49:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-02 20:49:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-02 20:49:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:13,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 20:49:13,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:13,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901851203] [2022-11-02 20:49:13,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901851203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:49:13,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:49:13,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:49:13,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036112139] [2022-11-02 20:49:13,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:49:13,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:49:13,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:13,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:49:13,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:49:13,598 INFO L87 Difference]: Start difference. First operand 160 states and 194 transitions. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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 20:49:14,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:14,033 INFO L93 Difference]: Finished difference Result 540 states and 679 transitions. [2022-11-02 20:49:14,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-02 20:49:14,035 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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 55 [2022-11-02 20:49:14,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:14,038 INFO L225 Difference]: With dead ends: 540 [2022-11-02 20:49:14,038 INFO L226 Difference]: Without dead ends: 434 [2022-11-02 20:49:14,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2022-11-02 20:49:14,040 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 223 mSDsluCounter, 509 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:14,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 637 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 20:49:14,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2022-11-02 20:49:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 400. [2022-11-02 20:49:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 319 states have (on average 1.2163009404388714) internal successors, (388), 341 states have internal predecessors, (388), 44 states have call successors, (44), 33 states have call predecessors, (44), 36 states have return successors, (54), 42 states have call predecessors, (54), 44 states have call successors, (54) [2022-11-02 20:49:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 486 transitions. [2022-11-02 20:49:14,118 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 486 transitions. Word has length 55 [2022-11-02 20:49:14,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:14,118 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 486 transitions. [2022-11-02 20:49:14,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 7 states have internal predecessors, (46), 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 20:49:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 486 transitions. [2022-11-02 20:49:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-02 20:49:14,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:49:14,122 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 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] [2022-11-02 20:49:14,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 20:49:14,122 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:49:14,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:49:14,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2045084638, now seen corresponding path program 1 times [2022-11-02 20:49:14,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:49:14,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171856571] [2022-11-02 20:49:14,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:14,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:49:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-02 20:49:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:49:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:49:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 20:49:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-02 20:49:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 20:49:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:49:14,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:49:14,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171856571] [2022-11-02 20:49:14,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171856571] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 20:49:14,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351738418] [2022-11-02 20:49:14,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:49:14,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 20:49:14,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:49:14,402 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 20:49:14,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 20:49:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:49:14,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:49:14,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:49:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:49:14,721 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 20:49:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 20:49:14,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351738418] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 20:49:14,948 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 20:49:14,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 6, 6] total 15 [2022-11-02 20:49:14,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073116220] [2022-11-02 20:49:14,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 20:49:14,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-02 20:49:14,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:49:14,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 20:49:14,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-11-02 20:49:14,950 INFO L87 Difference]: Start difference. First operand 400 states and 486 transitions. Second operand has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2022-11-02 20:49:15,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:49:15,618 INFO L93 Difference]: Finished difference Result 641 states and 804 transitions. [2022-11-02 20:49:15,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-02 20:49:15,619 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) Word has length 87 [2022-11-02 20:49:15,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:49:15,619 INFO L225 Difference]: With dead ends: 641 [2022-11-02 20:49:15,619 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:49:15,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 186 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=754, Unknown=0, NotChecked=0, Total=930 [2022-11-02 20:49:15,622 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 280 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:49:15,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 975 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 20:49:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:49:15,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:49:15,623 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 20:49:15,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:49:15,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 87 [2022-11-02 20:49:15,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:49:15,624 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:49:15,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 7.2) internal successors, (108), 11 states have internal predecessors, (108), 5 states have call successors, (16), 6 states have call predecessors, (16), 6 states have return successors, (13), 7 states have call predecessors, (13), 5 states have call successors, (13) [2022-11-02 20:49:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:49:15,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:49:15,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:49:15,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:49:15,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 20:49:15,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:49:19,324 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 815 821) no Hoare annotation was computed. [2022-11-02 20:49:19,325 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 815 821) the Hoare annotation is: true [2022-11-02 20:49:19,325 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 647 658) the Hoare annotation is: true [2022-11-02 20:49:19,325 INFO L899 garLoopResultBuilder]: For program point L651-1(lines 647 658) no Hoare annotation was computed. [2022-11-02 20:49:19,325 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 647 658) no Hoare annotation was computed. [2022-11-02 20:49:19,325 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 710) no Hoare annotation was computed. [2022-11-02 20:49:19,325 INFO L899 garLoopResultBuilder]: For program point L795(lines 795 801) no Hoare annotation was computed. [2022-11-02 20:49:19,325 INFO L899 garLoopResultBuilder]: For program point L795-2(lines 791 813) no Hoare annotation was computed. [2022-11-02 20:49:19,326 INFO L895 garLoopResultBuilder]: At program point L696(lines 691 699) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (= ~pumpRunning~0 0)) (.cse6 (not .cse3)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (< 1 |old(~waterLevel~0)|))) (.cse11 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (and .cse4 .cse5 .cse6) .cse7 (not (= |old(~waterLevel~0)| 1)) .cse3) (let ((.cse8 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse4 .cse8 .cse9 .cse6) .cse7 .cse10 (and .cse1 .cse8 .cse9) .cse3 .cse11)) (or .cse0 .cse10 .cse3 .cse11 (and .cse1 .cse5 .cse2))))) [2022-11-02 20:49:19,326 INFO L895 garLoopResultBuilder]: At program point L853(lines 848 855) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-11-02 20:49:19,326 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2022-11-02 20:49:19,326 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 788 814) no Hoare annotation was computed. [2022-11-02 20:49:19,326 INFO L895 garLoopResultBuilder]: At program point L69(lines 62 71) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (and (<= 1 ~pumpRunning~0) .cse5 (<= 1 ~switchedOnBeforeTS~0))) (.cse7 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse3 (and .cse4 .cse5) .cse6 .cse2 .cse7) (or .cse0 .cse6 .cse1 .cse2 .cse7) (or .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= ~waterLevel~0 1)) .cse2)))) [2022-11-02 20:49:19,327 INFO L895 garLoopResultBuilder]: At program point L709(lines 700 713) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= |timeShift_isHighWaterSensorDry_#res#1| 1) .cse1 (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse5))) [2022-11-02 20:49:19,327 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= |timeShift_processEnvironment_~tmp~6#1| 0)) (.cse7 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse1 (and .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7) .cse2 .cse3) (or .cse4 (and .cse5 .cse6 (= ~waterLevel~0 1) .cse7) (not (= |old(~waterLevel~0)| 1)) .cse2)))) [2022-11-02 20:49:19,327 INFO L895 garLoopResultBuilder]: At program point L953(lines 938 956) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse2 (= 0 ~systemActive~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and .cse1 (= |timeShift_isHighWaterLevel_~tmp___0~2#1| 0) (= |timeShift_isHighWaterLevel_#res#1| 0) (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse4 .cse2 .cse5) (or .cse3 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse4 .cse2 .cse5))) [2022-11-02 20:49:19,327 INFO L895 garLoopResultBuilder]: At program point L664(lines 659 667) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-11-02 20:49:19,327 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 631) no Hoare annotation was computed. [2022-11-02 20:49:19,328 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 .cse7 .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) .cse7) .cse3))) [2022-11-02 20:49:19,328 INFO L895 garLoopResultBuilder]: At program point L627-2(lines 623 634) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2022-11-02 20:49:19,328 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-02 20:49:19,328 INFO L895 garLoopResultBuilder]: At program point L842(line 842) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse3 .cse6 (and .cse1 (= ~waterLevel~0 1) .cse2)) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse3))) [2022-11-02 20:49:19,328 INFO L895 garLoopResultBuilder]: At program point L842-1(lines 823 847) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~waterLevel~0 1)) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (< 1 |old(~waterLevel~0)|))) (.cse4 (= ~pumpRunning~0 0)) (.cse6 (not .cse3)) (.cse1 (<= 1 ~pumpRunning~0)) (.cse9 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or (and .cse4 .cse5 .cse6) .cse7 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse0 .cse8 .cse3 .cse9 (and .cse1 .cse5 .cse2)) (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse7 .cse8 (and .cse4 .cse10 .cse6) (and .cse1 .cse10) .cse3 .cse9))))) [2022-11-02 20:49:19,328 INFO L899 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-11-02 20:49:19,329 INFO L895 garLoopResultBuilder]: At program point L67(line 67) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse8))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or (and .cse0 .cse1 .cse8) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse3 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-02 20:49:19,329 INFO L899 garLoopResultBuilder]: For program point L67-1(line 67) no Hoare annotation was computed. [2022-11-02 20:49:19,329 INFO L899 garLoopResultBuilder]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2022-11-02 20:49:19,329 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 870) no Hoare annotation was computed. [2022-11-02 20:49:19,329 INFO L899 garLoopResultBuilder]: For program point L831(lines 831 839) no Hoare annotation was computed. [2022-11-02 20:49:19,329 INFO L895 garLoopResultBuilder]: At program point L864-2(lines 857 873) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 (and (= ~pumpRunning~0 0) .cse5) .cse1 (and (<= 1 ~pumpRunning~0) .cse5) .cse2 .cse3)) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-11-02 20:49:19,329 INFO L899 garLoopResultBuilder]: For program point L827(lines 827 844) no Hoare annotation was computed. [2022-11-02 20:49:19,330 INFO L895 garLoopResultBuilder]: At program point L889(lines 882 892) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-11-02 20:49:19,330 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 94) no Hoare annotation was computed. [2022-11-02 20:49:19,330 INFO L895 garLoopResultBuilder]: At program point L212(lines 207 214) the Hoare annotation is: (let ((.cse1 (not (< 1 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse2 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse2))) [2022-11-02 20:49:19,330 INFO L899 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2022-11-02 20:49:19,330 INFO L899 garLoopResultBuilder]: For program point L947-2(lines 947 951) no Hoare annotation was computed. [2022-11-02 20:49:19,330 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 97) no Hoare annotation was computed. [2022-11-02 20:49:19,330 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 788 814) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (< 1 |old(~waterLevel~0)|))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse8))) (and (or (and .cse0 .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or (and .cse0 .cse1 .cse8) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse3 .cse7 (not (<= 1 |old(~switchedOnBeforeTS~0)|)))))) [2022-11-02 20:49:19,331 INFO L895 garLoopResultBuilder]: At program point L80-1(lines 72 100) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse1 (<= 1 ~pumpRunning~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (= ~pumpRunning~0 0)) (.cse6 (= ~waterLevel~0 1)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (<= 1 |old(~switchedOnBeforeTS~0)|))) (or .cse0 .cse4 .cse3 .cse5 (and .cse1 .cse6 .cse2)) (let ((.cse8 (= 2 |timeShift_getWaterLevel_#res#1|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |timeShift___utac_acc__Specification5_spec__3_~tmp~0#1| 2))) (or (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse4 (and .cse1 .cse8 .cse9 .cse10) .cse3 .cse5)) (or .cse11 (not (= |old(~waterLevel~0)| 1)) (and .cse7 .cse6) .cse3))) [2022-11-02 20:49:19,331 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 788 814) no Hoare annotation was computed. [2022-11-02 20:49:19,335 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 211) no Hoare annotation was computed. [2022-11-02 20:49:19,336 INFO L902 garLoopResultBuilder]: At program point L129(lines 104 133) the Hoare annotation is: true [2022-11-02 20:49:19,336 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 104 133) no Hoare annotation was computed. [2022-11-02 20:49:19,336 INFO L899 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2022-11-02 20:49:19,336 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 104 133) the Hoare annotation is: true [2022-11-02 20:49:19,337 INFO L899 garLoopResultBuilder]: For program point L118(lines 118 122) no Hoare annotation was computed. [2022-11-02 20:49:19,337 INFO L902 garLoopResultBuilder]: At program point L118-1(lines 118 122) the Hoare annotation is: true [2022-11-02 20:49:19,337 INFO L899 garLoopResultBuilder]: For program point L115(line 115) no Hoare annotation was computed. [2022-11-02 20:49:19,337 INFO L902 garLoopResultBuilder]: At program point L114-2(lines 114 128) the Hoare annotation is: true [2022-11-02 20:49:19,338 INFO L902 garLoopResultBuilder]: At program point L110(line 110) the Hoare annotation is: true [2022-11-02 20:49:19,338 INFO L899 garLoopResultBuilder]: For program point L110-1(line 110) no Hoare annotation was computed. [2022-11-02 20:49:19,338 INFO L895 garLoopResultBuilder]: At program point L246(lines 241 249) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:49:19,338 INFO L895 garLoopResultBuilder]: At program point L238(lines 234 240) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:49:19,339 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 752) no Hoare annotation was computed. [2022-11-02 20:49:19,339 INFO L899 garLoopResultBuilder]: For program point L746-1(lines 746 752) no Hoare annotation was computed. [2022-11-02 20:49:19,339 INFO L895 garLoopResultBuilder]: At program point L771(lines 726 773) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:49:19,339 INFO L895 garLoopResultBuilder]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:49:19,340 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 200) no Hoare annotation was computed. [2022-11-02 20:49:19,340 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:49:19,340 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 200) no Hoare annotation was computed. [2022-11-02 20:49:19,340 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:49:19,341 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:49:19,341 INFO L902 garLoopResultBuilder]: At program point L177(lines 169 179) the Hoare annotation is: true [2022-11-02 20:49:19,341 INFO L902 garLoopResultBuilder]: At program point L202(lines 183 205) the Hoare annotation is: true [2022-11-02 20:49:19,341 INFO L895 garLoopResultBuilder]: At program point L231(lines 227 233) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:49:19,341 INFO L895 garLoopResultBuilder]: At program point L165(lines 161 167) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:49:19,342 INFO L895 garLoopResultBuilder]: At program point L962(lines 957 964) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:49:19,342 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:49:19,342 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 768) no Hoare annotation was computed. [2022-11-02 20:49:19,342 INFO L895 garLoopResultBuilder]: At program point L764-2(lines 756 769) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:49:19,342 INFO L899 garLoopResultBuilder]: For program point L727(lines 726 773) no Hoare annotation was computed. [2022-11-02 20:49:19,343 INFO L899 garLoopResultBuilder]: For program point L756(lines 756 769) no Hoare annotation was computed. [2022-11-02 20:49:19,343 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (< 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~1#1| 1)) (.cse6 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse3 .cse5 (= ~waterLevel~0 1) .cse6) (and .cse7 .cse1 .cse3 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-11-02 20:49:19,343 INFO L902 garLoopResultBuilder]: At program point L777(lines 716 781) the Hoare annotation is: true [2022-11-02 20:49:19,343 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 742) no Hoare annotation was computed. [2022-11-02 20:49:19,344 INFO L899 garLoopResultBuilder]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2022-11-02 20:49:19,344 INFO L895 garLoopResultBuilder]: At program point L59(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~1#1| 1) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-11-02 20:49:19,344 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 732) no Hoare annotation was computed. [2022-11-02 20:49:19,345 INFO L895 garLoopResultBuilder]: At program point L774(lines 725 775) the Hoare annotation is: false [2022-11-02 20:49:19,346 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 635 646) no Hoare annotation was computed. [2022-11-02 20:49:19,347 INFO L899 garLoopResultBuilder]: For program point L639-1(lines 635 646) no Hoare annotation was computed. [2022-11-02 20:49:19,347 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 635 646) the Hoare annotation is: (let ((.cse4 (not (< 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~switchedOnBeforeTS~0))) (or .cse3 .cse4 .cse1 .cse2 .cse5) (or .cse4 .cse0 .cse1 .cse2 .cse5) (or .cse3 (not (= |old(~waterLevel~0)| 1)) .cse2 (= ~waterLevel~0 1)))) [2022-11-02 20:49:19,347 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 893 901) no Hoare annotation was computed. [2022-11-02 20:49:19,348 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 893 901) the Hoare annotation is: true [2022-11-02 20:49:19,348 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 893 901) no Hoare annotation was computed. [2022-11-02 20:49:19,350 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:49:19,353 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:49:19,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:49:19 BoogieIcfgContainer [2022-11-02 20:49:19,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:49:19,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:49:19,381 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:49:19,381 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:49:19,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:49:11" (3/4) ... [2022-11-02 20:49:19,385 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:49:19,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-02 20:49:19,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:49:19,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:49:19,391 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:49:19,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:49:19,392 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-02 20:49:19,398 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-11-02 20:49:19,399 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:49:19,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:49:19,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:49:19,400 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:49:19,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:49:19,401 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:49:19,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:49:19,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:49:19,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) [2022-11-02 20:49:19,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-11-02 20:49:19,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-11-02 20:49:19,431 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-02 20:49:19,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) [2022-11-02 20:49:19,432 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) [2022-11-02 20:49:19,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:49:19,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-02 20:49:19,433 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || 0 == systemActive)) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) [2022-11-02 20:49:19,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:49:19,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) [2022-11-02 20:49:19,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-02 20:49:19,434 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-02 20:49:19,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-02 20:49:19,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) [2022-11-02 20:49:19,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:49:19,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:49:19,477 INFO L158 Benchmark]: Toolchain (without parser) took 9581.31ms. Allocated memory was 94.4MB in the beginning and 180.4MB in the end (delta: 86.0MB). Free memory was 56.0MB in the beginning and 81.5MB in the end (delta: -25.5MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-02 20:49:19,477 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:49:19,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.27ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 63.6MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:49:19,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.89ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 61.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:49:19,478 INFO L158 Benchmark]: Boogie Preprocessor took 28.06ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 59.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:49:19,479 INFO L158 Benchmark]: RCFGBuilder took 611.43ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 41.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-02 20:49:19,480 INFO L158 Benchmark]: TraceAbstraction took 8276.35ms. Allocated memory was 94.4MB in the beginning and 180.4MB in the end (delta: 86.0MB). Free memory was 40.5MB in the beginning and 87.8MB in the end (delta: -47.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-11-02 20:49:19,481 INFO L158 Benchmark]: Witness Printer took 95.66ms. Allocated memory is still 180.4MB. Free memory was 87.8MB in the beginning and 81.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:49:19,484 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.27ms. Allocated memory is still 94.4MB. Free memory was 55.8MB in the beginning and 63.6MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.89ms. Allocated memory is still 94.4MB. Free memory was 63.6MB in the beginning and 61.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.06ms. Allocated memory is still 94.4MB. Free memory was 61.2MB in the beginning and 59.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 611.43ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 41.0MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8276.35ms. Allocated memory was 94.4MB in the beginning and 180.4MB in the end (delta: 86.0MB). Free memory was 40.5MB in the beginning and 87.8MB in the end (delta: -47.3MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Witness Printer took 95.66ms. Allocated memory is still 180.4MB. Free memory was 87.8MB in the beginning and 81.5MB 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: 211]: 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 7 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 823 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 807 mSDsluCounter, 3377 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2368 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 933 IncrementalHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 1009 mSDtfsCounter, 933 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 247 SyntacticMatches, 5 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=400occurred in iteration=9, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 77 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 40 LocationsWithAnnotation, 685 PreInvPairs, 800 NumberOfFragments, 1975 HoareAnnotationTreeSize, 685 FomulaSimplifications, 493 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 40 FomulaSimplificationsInter, 3520 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 577 NumberOfCodeBlocks, 577 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 1381 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 97/117 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: 857]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || 0 == systemActive)) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && (((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(0 == systemActive))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 161]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && \old(waterLevel) == waterLevel) && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 848]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || 0 == systemActive)) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || ((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((((((((pumpRunning == 0 && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2) || !(\old(pumpRunning) == 0)) || !(1 < \old(waterLevel))) || (((1 <= pumpRunning && 2 == \result) && \old(waterLevel) == waterLevel) && tmp == 2)) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (pumpRunning == 0 && waterLevel == 1)) || 0 == systemActive) - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 957]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 700]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || ((\result == 1 && pumpRunning == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && \result == 1) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 726]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && splverifierCounter == 0) && tmp == 1) && waterLevel == 1) && !(0 == systemActive))) || (((((1 <= pumpRunning && \result == 1) && splverifierCounter == 0) && tmp == 1) && 1 <= switchedOnBeforeTS) && !(0 == systemActive))) || ((((((1 <= pumpRunning && \result == 1) && 1 < waterLevel) && splverifierCounter == 0) && waterLevel <= 2) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || (1 <= pumpRunning && 1 <= switchedOnBeforeTS)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS))) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && waterLevel == 1) && 1 <= switchedOnBeforeTS))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: (((((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || 0 == systemActive) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || (((pumpRunning == 0 && tmp___0 == 0) && \result == 0) && waterLevel == 1)) || 0 == systemActive) && (((!(1 <= \old(pumpRunning)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2))) && ((!(1 <= \old(pumpRunning)) || 0 == systemActive) || !(1 <= \old(switchedOnBeforeTS)))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 < \old(waterLevel))) || 0 == systemActive) || !(\old(waterLevel) <= 2)) RESULT: Ultimate proved your program to be correct! [2022-11-02 20:49:19,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c35278d1-68b2-427e-a2ff-9f36174f73eb/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