./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa --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 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:21:58,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:21:58,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:21:58,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:21:58,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:21:58,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:21:58,646 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:21:58,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:21:58,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:21:58,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:21:58,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:21:58,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:21:58,651 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:21:58,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:21:58,653 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:21:58,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:21:58,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:21:58,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:21:58,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:21:58,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:21:58,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:21:58,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:21:58,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:21:58,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:21:58,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:21:58,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:21:58,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:21:58,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:21:58,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:21:58,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:21:58,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:21:58,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:21:58,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:21:58,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:21:58,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:21:58,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:21:58,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:21:58,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:21:58,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:21:58,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:21:58,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:21:58,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 19:21:58,692 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:21:58,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:21:58,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:21:58,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:21:58,693 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:21:58,693 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:21:58,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:21:58,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:21:58,694 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:21:58,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:21:58,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:21:58,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:21:58,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:21:58,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:21:58,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:21:58,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:58,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:21:58,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:21:58,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:21:58,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:21:58,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:21:58,697 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:21:58,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:21:58,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:21:58,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:21:58,697 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_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 909de5fe3a7d5a638d67615e2b4d48b563eefeab07033d1b2a29843c731be596 [2021-12-06 19:21:58,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:21:58,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:21:58,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:21:58,902 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:21:58,903 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:21:58,904 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-12-06 19:21:58,956 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/data/19d9d8a1b/26b47f1d36194722acec48f028cb7d9d/FLAG71feb355a [2021-12-06 19:21:59,390 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:21:59,390 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c [2021-12-06 19:21:59,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/data/19d9d8a1b/26b47f1d36194722acec48f028cb7d9d/FLAG71feb355a [2021-12-06 19:21:59,413 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/data/19d9d8a1b/26b47f1d36194722acec48f028cb7d9d [2021-12-06 19:21:59,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:21:59,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:21:59,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:59,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:21:59,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:21:59,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f33e7c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59, skipping insertion in model container [2021-12-06 19:21:59,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:21:59,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:21:59,650 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_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-12-06 19:21:59,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:59,659 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:21:59,709 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_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/sv-benchmarks/c/product-lines/minepump_spec2_product57.cil.c[19040,19053] [2021-12-06 19:21:59,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:21:59,723 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:21:59,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59 WrapperNode [2021-12-06 19:21:59,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:21:59,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:59,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:21:59,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:21:59,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,760 INFO L137 Inliner]: procedures = 57, calls = 157, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 276 [2021-12-06 19:21:59,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:21:59,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:21:59,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:21:59,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:21:59,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:21:59,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:21:59,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:21:59,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:21:59,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (1/1) ... [2021-12-06 19:21:59,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:21:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:21:59,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:21:59,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:21:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:21:59,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-06 19:21:59,847 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-06 19:21:59,847 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-06 19:21:59,847 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-06 19:21:59,847 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-06 19:21:59,847 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-06 19:21:59,847 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-06 19:21:59,847 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-06 19:21:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:21:59,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:21:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-06 19:21:59,848 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-06 19:21:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:21:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-06 19:21:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-06 19:21:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:21:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:21:59,904 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:21:59,905 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:22:00,144 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:22:00,150 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:22:00,150 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 19:22:00,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:22:00 BoogieIcfgContainer [2021-12-06 19:22:00,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:22:00,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:22:00,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:22:00,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:22:00,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:21:59" (1/3) ... [2021-12-06 19:22:00,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e74845c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:22:00, skipping insertion in model container [2021-12-06 19:22:00,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:21:59" (2/3) ... [2021-12-06 19:22:00,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e74845c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:22:00, skipping insertion in model container [2021-12-06 19:22:00,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:22:00" (3/3) ... [2021-12-06 19:22:00,157 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57.cil.c [2021-12-06 19:22:00,161 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:22:00,161 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 19:22:00,196 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:22:00,201 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 19:22:00,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 19:22:00,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 80 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2021-12-06 19:22:00,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 19:22:00,221 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:00,221 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:00,222 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:00,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:00,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1702094398, now seen corresponding path program 1 times [2021-12-06 19:22:00,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:00,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172001478] [2021-12-06 19:22:00,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:00,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-06 19:22:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:22:00,378 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:00,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172001478] [2021-12-06 19:22:00,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172001478] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:00,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:00,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 19:22:00,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791374003] [2021-12-06 19:22:00,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:00,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-06 19:22:00,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:00,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 19:22:00,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:22:00,406 INFO L87 Difference]: Start difference. First operand has 93 states, 72 states have (on average 1.3888888888888888) internal successors, (100), 80 states have internal predecessors, (100), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 19:22:00,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:00,431 INFO L93 Difference]: Finished difference Result 177 states and 242 transitions. [2021-12-06 19:22:00,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 19:22:00,432 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-12-06 19:22:00,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:00,439 INFO L225 Difference]: With dead ends: 177 [2021-12-06 19:22:00,439 INFO L226 Difference]: Without dead ends: 84 [2021-12-06 19:22:00,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 19:22:00,445 INFO L933 BasicCegarLoop]: 118 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, 118 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 [2021-12-06 19:22:00,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:22:00,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-12-06 19:22:00,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2021-12-06 19:22:00,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 65 states have (on average 1.323076923076923) internal successors, (86), 72 states have internal predecessors, (86), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-06 19:22:00,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2021-12-06 19:22:00,478 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 25 [2021-12-06 19:22:00,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:00,478 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2021-12-06 19:22:00,479 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 19:22:00,479 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2021-12-06 19:22:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-12-06 19:22:00,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:00,481 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:00,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:22:00,481 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:00,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:00,482 INFO L85 PathProgramCache]: Analyzing trace with hash 2038444326, now seen corresponding path program 1 times [2021-12-06 19:22:00,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:00,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559714647] [2021-12-06 19:22:00,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:00,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-06 19:22:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:22:00,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:00,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559714647] [2021-12-06 19:22:00,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559714647] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:00,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:00,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:22:00,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959737427] [2021-12-06 19:22:00,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:00,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:22:00,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:00,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:22:00,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:22:00,539 INFO L87 Difference]: Start difference. First operand 84 states and 109 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 19:22:00,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:00,552 INFO L93 Difference]: Finished difference Result 133 states and 173 transitions. [2021-12-06 19:22:00,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:22:00,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-12-06 19:22:00,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:00,554 INFO L225 Difference]: With dead ends: 133 [2021-12-06 19:22:00,554 INFO L226 Difference]: Without dead ends: 75 [2021-12-06 19:22:00,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 19:22:00,556 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 12 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 176 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 [2021-12-06 19:22:00,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 176 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:22:00,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-06 19:22:00,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-06 19:22:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3389830508474576) internal successors, (79), 66 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 19:22:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 97 transitions. [2021-12-06 19:22:00,565 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 97 transitions. Word has length 26 [2021-12-06 19:22:00,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:00,566 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 97 transitions. [2021-12-06 19:22:00,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 19:22:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 97 transitions. [2021-12-06 19:22:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-06 19:22:00,567 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:00,567 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:00,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:22:00,567 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:00,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:00,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1677666248, now seen corresponding path program 1 times [2021-12-06 19:22:00,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:00,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051515903] [2021-12-06 19:22:00,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:00,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:22:00,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:00,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051515903] [2021-12-06 19:22:00,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051515903] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:00,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:00,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:22:00,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386555213] [2021-12-06 19:22:00,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:00,639 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:22:00,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:00,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:22:00,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:22:00,640 INFO L87 Difference]: Start difference. First operand 75 states and 97 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 19:22:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:00,706 INFO L93 Difference]: Finished difference Result 142 states and 187 transitions. [2021-12-06 19:22:00,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:22:00,706 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2021-12-06 19:22:00,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:00,707 INFO L225 Difference]: With dead ends: 142 [2021-12-06 19:22:00,707 INFO L226 Difference]: Without dead ends: 75 [2021-12-06 19:22:00,708 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:22:00,709 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 125 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:00,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 206 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:22:00,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-12-06 19:22:00,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-12-06 19:22:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2021-12-06 19:22:00,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 96 transitions. [2021-12-06 19:22:00,718 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 96 transitions. Word has length 30 [2021-12-06 19:22:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:00,718 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 96 transitions. [2021-12-06 19:22:00,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-06 19:22:00,718 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2021-12-06 19:22:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-12-06 19:22:00,719 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:00,719 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:00,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:22:00,720 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:00,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:00,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1006789740, now seen corresponding path program 1 times [2021-12-06 19:22:00,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:00,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186778431] [2021-12-06 19:22:00,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:00,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:22:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-06 19:22:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:22:00,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:00,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186778431] [2021-12-06 19:22:00,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186778431] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:00,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:00,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:22:00,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067823953] [2021-12-06 19:22:00,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:00,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:22:00,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:00,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:22:00,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:22:00,780 INFO L87 Difference]: Start difference. First operand 75 states and 96 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-12-06 19:22:00,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:00,889 INFO L93 Difference]: Finished difference Result 217 states and 279 transitions. [2021-12-06 19:22:00,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:22:00,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 40 [2021-12-06 19:22:00,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:00,892 INFO L225 Difference]: With dead ends: 217 [2021-12-06 19:22:00,892 INFO L226 Difference]: Without dead ends: 150 [2021-12-06 19:22:00,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:22:00,895 INFO L933 BasicCegarLoop]: 130 mSDtfsCounter, 179 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:00,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 306 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:22:00,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-12-06 19:22:00,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 144. [2021-12-06 19:22:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.2857142857142858) internal successors, (144), 120 states have internal predecessors, (144), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2021-12-06 19:22:00,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 179 transitions. [2021-12-06 19:22:00,917 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 179 transitions. Word has length 40 [2021-12-06 19:22:00,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:00,918 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 179 transitions. [2021-12-06 19:22:00,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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) [2021-12-06 19:22:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 179 transitions. [2021-12-06 19:22:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-12-06 19:22:00,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:00,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:00,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:22:00,920 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:00,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:00,921 INFO L85 PathProgramCache]: Analyzing trace with hash -251696612, now seen corresponding path program 1 times [2021-12-06 19:22:00,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:00,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838042101] [2021-12-06 19:22:00,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:00,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:00,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:00,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-06 19:22:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:22:01,005 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:01,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838042101] [2021-12-06 19:22:01,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838042101] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:01,006 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:01,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:22:01,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514560906] [2021-12-06 19:22:01,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:01,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:22:01,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:01,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:22:01,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:22:01,008 INFO L87 Difference]: Start difference. First operand 144 states and 179 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:22:01,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:01,195 INFO L93 Difference]: Finished difference Result 416 states and 525 transitions. [2021-12-06 19:22:01,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 19:22:01,196 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2021-12-06 19:22:01,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:01,199 INFO L225 Difference]: With dead ends: 416 [2021-12-06 19:22:01,200 INFO L226 Difference]: Without dead ends: 280 [2021-12-06 19:22:01,201 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2021-12-06 19:22:01,202 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 154 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:01,203 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 454 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:22:01,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-12-06 19:22:01,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 266. [2021-12-06 19:22:01,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 203 states have (on average 1.2463054187192117) internal successors, (253), 218 states have internal predecessors, (253), 30 states have call successors, (30), 26 states have call predecessors, (30), 32 states have return successors, (42), 32 states have call predecessors, (42), 30 states have call successors, (42) [2021-12-06 19:22:01,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 325 transitions. [2021-12-06 19:22:01,239 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 325 transitions. Word has length 46 [2021-12-06 19:22:01,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:01,240 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 325 transitions. [2021-12-06 19:22:01,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2021-12-06 19:22:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 325 transitions. [2021-12-06 19:22:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-12-06 19:22:01,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:01,242 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:01,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:22:01,242 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:01,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:01,243 INFO L85 PathProgramCache]: Analyzing trace with hash 285200024, now seen corresponding path program 1 times [2021-12-06 19:22:01,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:01,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127170387] [2021-12-06 19:22:01,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:01,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:22:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:22:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-06 19:22:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:22:01,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:01,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127170387] [2021-12-06 19:22:01,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127170387] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:01,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:01,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:22:01,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854171117] [2021-12-06 19:22:01,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:01,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:22:01,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:01,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:22:01,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:22:01,318 INFO L87 Difference]: Start difference. First operand 266 states and 325 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 19:22:01,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:01,551 INFO L93 Difference]: Finished difference Result 536 states and 656 transitions. [2021-12-06 19:22:01,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-06 19:22:01,552 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2021-12-06 19:22:01,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:01,554 INFO L225 Difference]: With dead ends: 536 [2021-12-06 19:22:01,555 INFO L226 Difference]: Without dead ends: 278 [2021-12-06 19:22:01,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-12-06 19:22:01,557 INFO L933 BasicCegarLoop]: 108 mSDtfsCounter, 176 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:01,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 250 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:22:01,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-12-06 19:22:01,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 264. [2021-12-06 19:22:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 201 states have (on average 1.228855721393035) internal successors, (247), 216 states have internal predecessors, (247), 30 states have call successors, (30), 26 states have call predecessors, (30), 32 states have return successors, (42), 32 states have call predecessors, (42), 30 states have call successors, (42) [2021-12-06 19:22:01,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 319 transitions. [2021-12-06 19:22:01,584 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 319 transitions. Word has length 50 [2021-12-06 19:22:01,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:01,585 INFO L470 AbstractCegarLoop]: Abstraction has 264 states and 319 transitions. [2021-12-06 19:22:01,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2021-12-06 19:22:01,585 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 319 transitions. [2021-12-06 19:22:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 19:22:01,586 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:01,587 INFO L514 BasicCegarLoop]: 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, 1] [2021-12-06 19:22:01,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:22:01,587 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:01,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:01,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1652612629, now seen corresponding path program 1 times [2021-12-06 19:22:01,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:01,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640335105] [2021-12-06 19:22:01,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:01,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:22:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:22:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 19:22:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:22:01,648 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:01,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640335105] [2021-12-06 19:22:01,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640335105] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:01,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:01,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 19:22:01,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595385271] [2021-12-06 19:22:01,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:01,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:22:01,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:01,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:22:01,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:22:01,649 INFO L87 Difference]: Start difference. First operand 264 states and 319 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 19:22:01,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:01,811 INFO L93 Difference]: Finished difference Result 538 states and 663 transitions. [2021-12-06 19:22:01,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:22:01,811 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-12-06 19:22:01,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:01,813 INFO L225 Difference]: With dead ends: 538 [2021-12-06 19:22:01,813 INFO L226 Difference]: Without dead ends: 282 [2021-12-06 19:22:01,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:22:01,814 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 129 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:01,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 233 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:22:01,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-12-06 19:22:01,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 270. [2021-12-06 19:22:01,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 207 states have (on average 1.2222222222222223) internal successors, (253), 222 states have internal predecessors, (253), 30 states have call successors, (30), 26 states have call predecessors, (30), 32 states have return successors, (42), 32 states have call predecessors, (42), 30 states have call successors, (42) [2021-12-06 19:22:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 325 transitions. [2021-12-06 19:22:01,832 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 325 transitions. Word has length 56 [2021-12-06 19:22:01,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:01,832 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 325 transitions. [2021-12-06 19:22:01,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 19:22:01,833 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 325 transitions. [2021-12-06 19:22:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 19:22:01,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:01,834 INFO L514 BasicCegarLoop]: 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, 1] [2021-12-06 19:22:01,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:22:01,834 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:01,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:01,834 INFO L85 PathProgramCache]: Analyzing trace with hash -719126633, now seen corresponding path program 1 times [2021-12-06 19:22:01,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:01,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774424722] [2021-12-06 19:22:01,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:01,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:22:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:22:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 19:22:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:22:01,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:01,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774424722] [2021-12-06 19:22:01,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774424722] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:01,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:01,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 19:22:01,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646150332] [2021-12-06 19:22:01,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:01,906 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 19:22:01,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:01,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 19:22:01,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:22:01,907 INFO L87 Difference]: Start difference. First operand 270 states and 325 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 19:22:02,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:02,106 INFO L93 Difference]: Finished difference Result 556 states and 683 transitions. [2021-12-06 19:22:02,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 19:22:02,107 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2021-12-06 19:22:02,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:02,109 INFO L225 Difference]: With dead ends: 556 [2021-12-06 19:22:02,109 INFO L226 Difference]: Without dead ends: 294 [2021-12-06 19:22:02,111 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-12-06 19:22:02,112 INFO L933 BasicCegarLoop]: 89 mSDtfsCounter, 174 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:02,112 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 215 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:22:02,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-12-06 19:22:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 274. [2021-12-06 19:22:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 211 states have (on average 1.2180094786729858) internal successors, (257), 226 states have internal predecessors, (257), 30 states have call successors, (30), 26 states have call predecessors, (30), 32 states have return successors, (42), 32 states have call predecessors, (42), 30 states have call successors, (42) [2021-12-06 19:22:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 329 transitions. [2021-12-06 19:22:02,134 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 329 transitions. Word has length 56 [2021-12-06 19:22:02,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:02,134 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 329 transitions. [2021-12-06 19:22:02,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-06 19:22:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 329 transitions. [2021-12-06 19:22:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-12-06 19:22:02,136 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:02,136 INFO L514 BasicCegarLoop]: 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, 1] [2021-12-06 19:22:02,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:22:02,136 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:02,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:02,137 INFO L85 PathProgramCache]: Analyzing trace with hash 667076761, now seen corresponding path program 1 times [2021-12-06 19:22:02,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:02,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664011008] [2021-12-06 19:22:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:02,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 19:22:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-06 19:22:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-12-06 19:22:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:22:02,199 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:02,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664011008] [2021-12-06 19:22:02,199 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664011008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:02,199 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:02,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:22:02,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207182729] [2021-12-06 19:22:02,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:02,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:22:02,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:02,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:22:02,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:22:02,200 INFO L87 Difference]: Start difference. First operand 274 states and 329 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:22:02,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:02,431 INFO L93 Difference]: Finished difference Result 762 states and 965 transitions. [2021-12-06 19:22:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 19:22:02,432 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 56 [2021-12-06 19:22:02,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:02,435 INFO L225 Difference]: With dead ends: 762 [2021-12-06 19:22:02,435 INFO L226 Difference]: Without dead ends: 496 [2021-12-06 19:22:02,436 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-06 19:22:02,436 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 285 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:02,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 250 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:22:02,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2021-12-06 19:22:02,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 494. [2021-12-06 19:22:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 375 states have (on average 1.2053333333333334) internal successors, (452), 398 states have internal predecessors, (452), 60 states have call successors, (60), 56 states have call predecessors, (60), 58 states have return successors, (95), 60 states have call predecessors, (95), 60 states have call successors, (95) [2021-12-06 19:22:02,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 607 transitions. [2021-12-06 19:22:02,462 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 607 transitions. Word has length 56 [2021-12-06 19:22:02,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:02,463 INFO L470 AbstractCegarLoop]: Abstraction has 494 states and 607 transitions. [2021-12-06 19:22:02,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-06 19:22:02,463 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 607 transitions. [2021-12-06 19:22:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-12-06 19:22:02,464 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:02,464 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1, 1] [2021-12-06 19:22:02,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:22:02,464 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:02,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:02,464 INFO L85 PathProgramCache]: Analyzing trace with hash -295766221, now seen corresponding path program 1 times [2021-12-06 19:22:02,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:02,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615203433] [2021-12-06 19:22:02,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:02,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:22:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 19:22:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2021-12-06 19:22:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 19:22:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 19:22:02,557 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:02,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615203433] [2021-12-06 19:22:02,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615203433] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:22:02,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124909634] [2021-12-06 19:22:02,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:02,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:22:02,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:22:02,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:22:02,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 19:22:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:02,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 19:22:02,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:22:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:22:02,802 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:22:02,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124909634] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:02,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:22:02,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2021-12-06 19:22:02,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756407691] [2021-12-06 19:22:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:02,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 19:22:02,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:02,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 19:22:02,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-12-06 19:22:02,805 INFO L87 Difference]: Start difference. First operand 494 states and 607 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-06 19:22:02,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:02,899 INFO L93 Difference]: Finished difference Result 958 states and 1182 transitions. [2021-12-06 19:22:02,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 19:22:02,899 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2021-12-06 19:22:02,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:02,903 INFO L225 Difference]: With dead ends: 958 [2021-12-06 19:22:02,903 INFO L226 Difference]: Without dead ends: 472 [2021-12-06 19:22:02,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-12-06 19:22:02,906 INFO L933 BasicCegarLoop]: 169 mSDtfsCounter, 70 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:02,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 498 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:22:02,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2021-12-06 19:22:02,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 470. [2021-12-06 19:22:02,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 356 states have (on average 1.1882022471910112) internal successors, (423), 378 states have internal predecessors, (423), 58 states have call successors, (58), 54 states have call predecessors, (58), 55 states have return successors, (82), 57 states have call predecessors, (82), 58 states have call successors, (82) [2021-12-06 19:22:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 563 transitions. [2021-12-06 19:22:02,939 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 563 transitions. Word has length 60 [2021-12-06 19:22:02,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:02,940 INFO L470 AbstractCegarLoop]: Abstraction has 470 states and 563 transitions. [2021-12-06 19:22:02,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-06 19:22:02,940 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 563 transitions. [2021-12-06 19:22:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-12-06 19:22:02,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:02,942 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:02,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:22:03,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:22:03,144 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:03,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:03,145 INFO L85 PathProgramCache]: Analyzing trace with hash -738171045, now seen corresponding path program 1 times [2021-12-06 19:22:03,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:03,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703943235] [2021-12-06 19:22:03,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:03,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:22:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:22:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:22:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 19:22:03,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 19:22:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:22:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-06 19:22:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-12-06 19:22:03,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:03,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703943235] [2021-12-06 19:22:03,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703943235] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:22:03,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074057775] [2021-12-06 19:22:03,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:03,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:22:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:22:03,335 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:22:03,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 19:22:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 19:22:03,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:22:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:22:03,522 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 19:22:03,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074057775] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:03,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 19:22:03,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2021-12-06 19:22:03,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159896180] [2021-12-06 19:22:03,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:03,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 19:22:03,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:03,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 19:22:03,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:22:03,523 INFO L87 Difference]: Start difference. First operand 470 states and 563 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 19:22:03,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:03,552 INFO L93 Difference]: Finished difference Result 714 states and 867 transitions. [2021-12-06 19:22:03,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 19:22:03,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 98 [2021-12-06 19:22:03,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:03,556 INFO L225 Difference]: With dead ends: 714 [2021-12-06 19:22:03,556 INFO L226 Difference]: Without dead ends: 712 [2021-12-06 19:22:03,556 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 19:22:03,557 INFO L933 BasicCegarLoop]: 104 mSDtfsCounter, 45 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:03,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 188 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 19:22:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2021-12-06 19:22:03,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 526. [2021-12-06 19:22:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 400 states have (on average 1.205) internal successors, (482), 423 states have internal predecessors, (482), 64 states have call successors, (64), 60 states have call predecessors, (64), 61 states have return successors, (98), 63 states have call predecessors, (98), 64 states have call successors, (98) [2021-12-06 19:22:03,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 644 transitions. [2021-12-06 19:22:03,584 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 644 transitions. Word has length 98 [2021-12-06 19:22:03,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:03,584 INFO L470 AbstractCegarLoop]: Abstraction has 526 states and 644 transitions. [2021-12-06 19:22:03,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 19:22:03,585 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 644 transitions. [2021-12-06 19:22:03,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-06 19:22:03,587 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:03,587 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2021-12-06 19:22:03,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 19:22:03,788 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-12-06 19:22:03,788 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:03,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:03,789 INFO L85 PathProgramCache]: Analyzing trace with hash -784141340, now seen corresponding path program 1 times [2021-12-06 19:22:03,789 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:03,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43257728] [2021-12-06 19:22:03,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:03,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:22:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:22:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:22:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 19:22:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:22:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:22:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:22:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-06 19:22:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:22:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 19:22:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:03,956 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-06 19:22:03,956 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:03,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43257728] [2021-12-06 19:22:03,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43257728] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 19:22:03,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258250688] [2021-12-06 19:22:03,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:03,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 19:22:03,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:22:03,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 19:22:03,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 19:22:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:04,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 19:22:04,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:22:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 79 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 19:22:04,273 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 19:22:04,519 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 57 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-12-06 19:22:04,519 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258250688] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 19:22:04,519 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 19:22:04,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 8] total 20 [2021-12-06 19:22:04,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537183258] [2021-12-06 19:22:04,520 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 19:22:04,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-12-06 19:22:04,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:04,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 19:22:04,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:22:04,521 INFO L87 Difference]: Start difference. First operand 526 states and 644 transitions. Second operand has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2021-12-06 19:22:05,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:05,878 INFO L93 Difference]: Finished difference Result 1823 states and 2672 transitions. [2021-12-06 19:22:05,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-06 19:22:05,879 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 139 [2021-12-06 19:22:05,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:05,896 INFO L225 Difference]: With dead ends: 1823 [2021-12-06 19:22:05,896 INFO L226 Difference]: Without dead ends: 1395 [2021-12-06 19:22:05,898 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 301 SyntacticMatches, 4 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=593, Invalid=1759, Unknown=0, NotChecked=0, Total=2352 [2021-12-06 19:22:05,899 INFO L933 BasicCegarLoop]: 242 mSDtfsCounter, 1046 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 2372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 562 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:05,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1057 Valid, 951 Invalid, 2372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [562 Valid, 1810 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 19:22:05,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2021-12-06 19:22:05,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 952. [2021-12-06 19:22:05,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 727 states have (on average 1.18707015130674) internal successors, (863), 768 states have internal predecessors, (863), 114 states have call successors, (114), 100 states have call predecessors, (114), 110 states have return successors, (180), 108 states have call predecessors, (180), 114 states have call successors, (180) [2021-12-06 19:22:05,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1157 transitions. [2021-12-06 19:22:05,962 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1157 transitions. Word has length 139 [2021-12-06 19:22:05,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:05,963 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1157 transitions. [2021-12-06 19:22:05,963 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 17 states have internal predecessors, (145), 6 states have call successors, (30), 10 states have call predecessors, (30), 6 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2021-12-06 19:22:05,963 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1157 transitions. [2021-12-06 19:22:05,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-12-06 19:22:05,967 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:22:05,967 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-06 19:22:05,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-06 19:22:06,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-12-06 19:22:06,168 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 19:22:06,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:22:06,168 INFO L85 PathProgramCache]: Analyzing trace with hash -979242294, now seen corresponding path program 1 times [2021-12-06 19:22:06,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:22:06,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985646712] [2021-12-06 19:22:06,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:22:06,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:22:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:22:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-06 19:22:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-06 19:22:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-06 19:22:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 19:22:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:22:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:22:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:22:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:22:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 19:22:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 19:22:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 19:22:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-06 19:22:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:22:06,279 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-12-06 19:22:06,279 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:22:06,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985646712] [2021-12-06 19:22:06,279 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985646712] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:22:06,279 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:22:06,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 19:22:06,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323176026] [2021-12-06 19:22:06,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:22:06,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 19:22:06,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:22:06,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 19:22:06,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:22:06,281 INFO L87 Difference]: Start difference. First operand 952 states and 1157 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (11), 6 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-06 19:22:06,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:22:06,559 INFO L93 Difference]: Finished difference Result 1315 states and 1576 transitions. [2021-12-06 19:22:06,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 19:22:06,559 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (11), 6 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 143 [2021-12-06 19:22:06,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:22:06,560 INFO L225 Difference]: With dead ends: 1315 [2021-12-06 19:22:06,560 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 19:22:06,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2021-12-06 19:22:06,563 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 204 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 19:22:06,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 288 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 19:22:06,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 19:22:06,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 19:22:06,564 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) [2021-12-06 19:22:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 19:22:06,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2021-12-06 19:22:06,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:22:06,564 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:22:06,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (11), 6 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-06 19:22:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:22:06,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 19:22:06,566 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 19:22:06,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 19:22:06,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 19:22:09,985 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 370 376) no Hoare annotation was computed. [2021-12-06 19:22:09,986 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 370 376) the Hoare annotation is: true [2021-12-06 19:22:09,986 INFO L858 garLoopResultBuilder]: For program point L126-1(lines 122 133) no Hoare annotation was computed. [2021-12-06 19:22:09,986 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 122 133) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse3) (or .cse4 .cse1 .cse2 (not (<= 2 ~waterLevel~0)) .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3))) [2021-12-06 19:22:09,986 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 122 133) no Hoare annotation was computed. [2021-12-06 19:22:09,986 INFO L858 garLoopResultBuilder]: For program point L547-2(lines 547 551) no Hoare annotation was computed. [2021-12-06 19:22:09,986 INFO L858 garLoopResultBuilder]: For program point L993(line 993) no Hoare annotation was computed. [2021-12-06 19:22:09,986 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 346 369) no Hoare annotation was computed. [2021-12-06 19:22:09,986 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 106) no Hoare annotation was computed. [2021-12-06 19:22:09,986 INFO L854 garLoopResultBuilder]: At program point L102-2(lines 98 109) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 .cse4 (and .cse5 .cse0 .cse6) .cse7) (or (and .cse5 (= ~methAndRunningLastTime~0 0) .cse6) .cse1 .cse2 .cse3 .cse7))) [2021-12-06 19:22:09,987 INFO L854 garLoopResultBuilder]: At program point L994(lines 989 996) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5))) [2021-12-06 19:22:09,987 INFO L858 garLoopResultBuilder]: For program point L350-1(lines 349 368) no Hoare annotation was computed. [2021-12-06 19:22:09,987 INFO L854 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 0)) (.cse17 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and .cse3 .cse18 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse13 (and .cse16 (<= 2 ~waterLevel~0) .cse17 .cse18)) (.cse1 (not .cse17)) (.cse14 (not .cse16)) (.cse2 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse5 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse8 (let ((.cse15 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~6#1| 1) .cse15) (and (not .cse15) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse10) (or .cse11 .cse0 .cse1 .cse9 .cse12) (or .cse13 .cse11 .cse0 .cse1 .cse14 .cse12) (or .cse13 .cse1 .cse14 (and .cse2 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse10)))) [2021-12-06 19:22:09,987 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 420) no Hoare annotation was computed. [2021-12-06 19:22:09,987 INFO L858 garLoopResultBuilder]: For program point L317-1(line 317) no Hoare annotation was computed. [2021-12-06 19:22:09,987 INFO L858 garLoopResultBuilder]: For program point L408(lines 408 425) no Hoare annotation was computed. [2021-12-06 19:22:09,987 INFO L854 garLoopResultBuilder]: At program point L553(lines 538 556) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse10 (let ((.cse12 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~6#1| 1) .cse12) (and (not .cse12) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (and .cse5 .cse6 .cse0 .cse7 .cse8 .cse9 .cse10) .cse2 .cse4 .cse11) (or (and .cse5 .cse6 (= ~methAndRunningLastTime~0 0) .cse7 .cse8 .cse9 .cse10) .cse1 .cse2 .cse3 .cse11))) [2021-12-06 19:22:09,987 INFO L854 garLoopResultBuilder]: At program point L194(lines 189 197) the Hoare annotation is: (let ((.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 .cse3 (and .cse5 .cse6 (= ~methAndRunningLastTime~0 0) .cse7) .cse8) (or .cse2 .cse4 (and .cse5 .cse6 .cse0 .cse7) .cse8))) [2021-12-06 19:22:09,987 INFO L854 garLoopResultBuilder]: At program point L479(lines 474 482) the Hoare annotation is: (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 .cse3 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) .cse5) (or .cse6 .cse0 .cse1 .cse7) (or .cse6 .cse0 .cse1 .cse4 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (or .cse1 .cse7 .cse5))) [2021-12-06 19:22:09,988 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 333) no Hoare annotation was computed. [2021-12-06 19:22:09,988 INFO L854 garLoopResultBuilder]: At program point L418(line 418) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5))) [2021-12-06 19:22:09,988 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 336) no Hoare annotation was computed. [2021-12-06 19:22:09,988 INFO L854 garLoopResultBuilder]: At program point L319-1(lines 311 339) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse18 (= 1 ~systemActive~0)) (.cse15 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0)) (.cse20 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (not .cse20)) (.cse12 (and .cse5 .cse20 (<= 2 ~waterLevel~0) .cse18 .cse15 .cse11)) (.cse2 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse6 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse7 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse10 (let ((.cse19 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~6#1| 1) .cse19) (and (not .cse19) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))))) (.cse13 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse18)) (.cse16 (not (<= 1 ~methaneLevelCritical~0))) (.cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12 .cse13) (or .cse3 .cse14 .cse0 (and .cse4 .cse5 .cse15 .cse11) .cse1 .cse12) (or .cse14 (and .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse0 .cse16 (and .cse17 .cse4 .cse18) .cse13) (or .cse3 .cse14 .cse0 .cse16 (and .cse17 .cse4 .cse5 .cse18 .cse15))))) [2021-12-06 19:22:09,988 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 346 369) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse9)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= ~pumpRunning~0 0) .cse8 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse0 .cse1 .cse2 .cse7) (or .cse6 .cse0 .cse1 .cse5 .cse7)))) [2021-12-06 19:22:09,988 INFO L854 garLoopResultBuilder]: At program point L460(lines 455 462) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse8 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse10 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse11 (let ((.cse13 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~6#1| 1) .cse13) (and (not .cse13) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse12 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 (and .cse5 .cse0 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse0 .cse1 .cse2 .cse4) (or .cse1 .cse2 (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse3 .cse12))) [2021-12-06 19:22:09,988 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 346 369) no Hoare annotation was computed. [2021-12-06 19:22:09,988 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2021-12-06 19:22:09,988 INFO L854 garLoopResultBuilder]: At program point L423(line 423) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (and .cse6 .cse9 .cse10)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 (and .cse5 .cse6) .cse7) (or .cse0 .cse1 .cse2 .cse8 .cse4) (or .cse2 .cse8 (and .cse5 .cse6 .cse9 .cse10) .cse7)))) [2021-12-06 19:22:09,989 INFO L854 garLoopResultBuilder]: At program point L423-1(lines 404 428) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 0)) (.cse17 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and .cse3 .cse18 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse13 (and .cse16 (<= 2 ~waterLevel~0) .cse17 .cse18)) (.cse1 (not .cse17)) (.cse14 (not .cse16)) (.cse2 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse11 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse5 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~2#1|)) (.cse8 (let ((.cse15 (= ~waterLevel~0 0))) (or (and (= |timeShift_isLowWaterLevel_~tmp~6#1| 1) .cse15) (and (not .cse15) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse10) (or .cse11 .cse0 .cse1 .cse9 .cse12) (or .cse13 .cse11 .cse0 .cse1 .cse14 .cse12) (or .cse13 .cse1 .cse14 (and .cse2 .cse11 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) .cse10)))) [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point L357-1(lines 357 363) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point L324(lines 324 330) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point L547(lines 547 551) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 201 230) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 201 230) the Hoare annotation is: true [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 219) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L861 garLoopResultBuilder]: At program point L215-1(lines 215 219) the Hoare annotation is: true [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L861 garLoopResultBuilder]: At program point L211-2(lines 211 225) the Hoare annotation is: true [2021-12-06 19:22:09,989 INFO L861 garLoopResultBuilder]: At program point L207(line 207) the Hoare annotation is: true [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L861 garLoopResultBuilder]: At program point L226(lines 201 230) the Hoare annotation is: true [2021-12-06 19:22:09,989 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 134 142) the Hoare annotation is: true [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 134 142) no Hoare annotation was computed. [2021-12-06 19:22:09,989 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 134 142) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L854 garLoopResultBuilder]: At program point L308(lines 303 310) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:22:09,990 INFO L854 garLoopResultBuilder]: At program point L614(lines 567 615) the Hoare annotation is: false [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point L569(lines 568 613) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point L598(lines 598 609) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L854 garLoopResultBuilder]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 .cse6))) [2021-12-06 19:22:09,990 INFO L854 garLoopResultBuilder]: At program point L260(lines 256 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:22:09,990 INFO L854 garLoopResultBuilder]: At program point L611(lines 568 613) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 .cse6))) [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point L578(lines 578 584) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2021-12-06 19:22:09,990 INFO L854 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:22:09,990 INFO L861 garLoopResultBuilder]: At program point L273(lines 265 275) the Hoare annotation is: true [2021-12-06 19:22:09,991 INFO L854 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:22:09,991 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 293) no Hoare annotation was computed. [2021-12-06 19:22:09,991 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 608) no Hoare annotation was computed. [2021-12-06 19:22:09,991 INFO L858 garLoopResultBuilder]: For program point L286-2(lines 286 293) no Hoare annotation was computed. [2021-12-06 19:22:09,991 INFO L854 garLoopResultBuilder]: At program point L604-2(lines 598 609) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse2 .cse7 .cse3 .cse8 .cse5 .cse6) (and .cse1 .cse9 .cse7 .cse3 .cse8 .cse5 .cse6) (and .cse0 .cse1 .cse9 .cse3 .cse4 .cse5 .cse6))) [2021-12-06 19:22:09,991 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 594) no Hoare annotation was computed. [2021-12-06 19:22:09,991 INFO L858 garLoopResultBuilder]: For program point L588-1(lines 588 594) no Hoare annotation was computed. [2021-12-06 19:22:09,991 INFO L861 garLoopResultBuilder]: At program point L617(lines 558 621) the Hoare annotation is: true [2021-12-06 19:22:09,991 INFO L861 garLoopResultBuilder]: At program point L295(lines 276 298) the Hoare annotation is: true [2021-12-06 19:22:09,991 INFO L854 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-06 19:22:09,991 INFO L854 garLoopResultBuilder]: At program point L580(line 580) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse6 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) .cse3 .cse4 .cse5 .cse6))) [2021-12-06 19:22:09,991 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 378 402) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse5 .cse1 .cse3) (or .cse4 .cse5 .cse1 .cse6) (or .cse0 .cse1 .cse2 .cse6))) [2021-12-06 19:22:09,991 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 399) no Hoare annotation was computed. [2021-12-06 19:22:09,991 INFO L854 garLoopResultBuilder]: At program point L184(lines 175 188) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse2 (= |old(~pumpRunning~0)| 0))) (let ((.cse1 (not (= ~waterLevel~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not .cse2)) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (and .cse8 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (and .cse8 (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse0 .cse6 .cse3 .cse7) (or .cse5 .cse0 .cse6 .cse4 .cse7)))) [2021-12-06 19:22:09,992 INFO L854 garLoopResultBuilder]: At program point L434(lines 429 436) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse0 (<= 2 ~waterLevel~0) .cse4) (or .cse3 .cse0 .cse2) (or .cse0 .cse1 .cse4))) [2021-12-06 19:22:09,992 INFO L854 garLoopResultBuilder]: At program point L397(line 397) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~waterLevel~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse5) (or .cse0 .cse1 .cse2 .cse5))) [2021-12-06 19:22:09,992 INFO L858 garLoopResultBuilder]: For program point L397-1(lines 378 402) no Hoare annotation was computed. [2021-12-06 19:22:09,992 INFO L858 garLoopResultBuilder]: For program point L445(lines 445 451) no Hoare annotation was computed. [2021-12-06 19:22:09,992 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 378 402) no Hoare annotation was computed. [2021-12-06 19:22:09,992 INFO L854 garLoopResultBuilder]: At program point L445-2(lines 438 454) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse0 .cse2 (and (= ~pumpRunning~0 0) .cse4 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|))) (or .cse3 .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse5))) [2021-12-06 19:22:09,992 INFO L854 garLoopResultBuilder]: At program point L534(lines 519 537) the Hoare annotation is: (let ((.cse8 (= ~pumpRunning~0 0)) (.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse0 (not .cse6)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse8 (<= 2 ~waterLevel~0))) (.cse4 (and .cse8 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1| 0) (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0)) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse2) (or .cse1 .cse5 .cse7 .cse6 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse7 .cse3 .cse4)))) [2021-12-06 19:22:09,992 INFO L854 garLoopResultBuilder]: At program point L470(lines 463 473) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|))) (or .cse1 .cse5 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse6 (and .cse3 .cse4)) (or .cse1 .cse5 .cse6))) [2021-12-06 19:22:09,992 INFO L854 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse0 .cse2 .cse4) (or .cse3 .cse0 .cse5 .cse4) (or .cse0 .cse1 .cse5))) [2021-12-06 19:22:09,992 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 185) no Hoare annotation was computed. [2021-12-06 19:22:09,992 INFO L858 garLoopResultBuilder]: For program point L468-1(line 468) no Hoare annotation was computed. [2021-12-06 19:22:09,992 INFO L858 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-12-06 19:22:09,993 INFO L858 garLoopResultBuilder]: For program point L528-2(lines 528 532) no Hoare annotation was computed. [2021-12-06 19:22:09,993 INFO L854 garLoopResultBuilder]: At program point L392(line 392) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| 0))) (let ((.cse0 (not .cse6)) (.cse3 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~waterLevel~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse1 .cse5 .cse6 .cse2) (or .cse1 .cse5 .cse4 .cse6 (not (= ~methAndRunningLastTime~0 0)))))) [2021-12-06 19:22:09,993 INFO L858 garLoopResultBuilder]: For program point L386(lines 386 394) no Hoare annotation was computed. [2021-12-06 19:22:09,993 INFO L858 garLoopResultBuilder]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2021-12-06 19:22:09,993 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 110 121) no Hoare annotation was computed. [2021-12-06 19:22:09,993 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse1 .cse4 .cse2 .cse3))) [2021-12-06 19:22:09,995 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:22:09,996 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:22:10,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:22:10 BoogieIcfgContainer [2021-12-06 19:22:10,027 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:22:10,027 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:22:10,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:22:10,027 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:22:10,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:22:00" (3/4) ... [2021-12-06 19:22:10,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 19:22:10,034 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-06 19:22:10,034 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-06 19:22:10,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-06 19:22:10,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-06 19:22:10,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-06 19:22:10,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-06 19:22:10,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-06 19:22:10,041 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-12-06 19:22:10,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-06 19:22:10,042 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 19:22:10,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 19:22:10,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 19:22:10,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:22:10,044 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 19:22:10,061 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 19:22:10,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 19:22:10,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-06 19:22:10,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) [2021-12-06 19:22:10,062 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2021-12-06 19:22:10,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((((((((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (((((((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(2 <= \old(waterLevel))) [2021-12-06 19:22:10,063 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((((((((\result == 0 && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && tmp == 0)) || (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0)) || (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel)) [2021-12-06 19:22:10,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2021-12-06 19:22:10,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && tmp == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) [2021-12-06 19:22:10,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && !(\old(pumpRunning) == 0)) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) [2021-12-06 19:22:10,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2021-12-06 19:22:10,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || \old(pumpRunning) == 0) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) [2021-12-06 19:22:10,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) [2021-12-06 19:22:10,064 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((((((pumpRunning == \old(pumpRunning) && \result == 0) && !(\old(pumpRunning) == 0)) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2021-12-06 19:22:10,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2021-12-06 19:22:10,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && (((!(1 == systemActive) || !(waterLevel == 0)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || \old(pumpRunning) == 0) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) [2021-12-06 19:22:10,065 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) [2021-12-06 19:22:10,087 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:22:10,087 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:22:10,087 INFO L158 Benchmark]: Toolchain (without parser) took 10671.32ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 57.3MB in the beginning and 101.5MB in the end (delta: -44.2MB). Peak memory consumption was 837.9kB. Max. memory is 16.1GB. [2021-12-06 19:22:10,088 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory was 74.7MB in the beginning and 74.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:22:10,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.27ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 60.0MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 19:22:10,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.24ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 57.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:22:10,088 INFO L158 Benchmark]: Boogie Preprocessor took 21.74ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:22:10,089 INFO L158 Benchmark]: RCFGBuilder took 368.47ms. Allocated memory is still 94.4MB. Free memory was 55.9MB in the beginning and 70.1MB in the end (delta: -14.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-12-06 19:22:10,089 INFO L158 Benchmark]: TraceAbstraction took 9873.87ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 69.6MB in the beginning and 107.8MB in the end (delta: -38.2MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2021-12-06 19:22:10,089 INFO L158 Benchmark]: Witness Printer took 59.88ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 101.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 19:22:10,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 94.4MB. Free memory was 74.7MB in the beginning and 74.7MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.27ms. Allocated memory is still 94.4MB. Free memory was 57.1MB in the beginning and 60.0MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.24ms. Allocated memory is still 94.4MB. Free memory was 60.0MB in the beginning and 57.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.74ms. Allocated memory is still 94.4MB. Free memory was 57.6MB in the beginning and 55.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.47ms. Allocated memory is still 94.4MB. Free memory was 55.9MB in the beginning and 70.1MB in the end (delta: -14.3MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9873.87ms. Allocated memory was 94.4MB in the beginning and 136.3MB in the end (delta: 41.9MB). Free memory was 69.6MB in the beginning and 107.8MB in the end (delta: -38.2MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. * Witness Printer took 59.88ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 101.5MB 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: 993]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 13, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2631 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2599 mSDsluCounter, 4133 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2584 mSDsCounter, 1002 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4016 IncrementalHoareTripleChecker+Invalid, 5018 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1002 mSolverCounterUnsat, 1549 mSDtfsCounter, 4016 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 749 GetRequests, 586 SyntacticMatches, 4 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=952occurred in iteration=12, InterpolantAutomatonStates: 137, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 699 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1746 PreInvPairs, 1937 NumberOfFragments, 2742 HoareAnnotationTreeSize, 1746 FomulaSimplifications, 104 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 43 FomulaSimplificationsInter, 18493 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1122 NumberOfCodeBlocks, 1122 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1244 ConstructedInterpolants, 0 QuantifiedInterpolants, 2483 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1453 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 428/471 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: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && \result == 0) && !(\old(pumpRunning) == 0)) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (((((((((\result == 0 && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) && tmp == 0)) || (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(2 <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || (((pumpRunning == 0 && methAndRunningLastTime == 0) && \old(waterLevel) == waterLevel) && tmp == 0)) || !(methaneLevelCritical == 0)) || (((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) && tmp == 0))) && (((((!(\old(methAndRunningLastTime) == 0) || (((((((\result == 0 && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 1 == systemActive)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methAndRunningLastTime == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel)) - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((((((((pumpRunning == \old(pumpRunning) && \result == 0) && !(\old(pumpRunning) == 0)) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && ((((((((((pumpRunning == \old(pumpRunning) && \result == 0) && methAndRunningLastTime == 0) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0))) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) || ((((((methAndRunningLastTime == 0 && methaneLevelCritical == 0) && tmp == 1) && 2 <= waterLevel) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0)) || ((((((pumpRunning == 0 && methAndRunningLastTime == 0) && 1 <= methaneLevelCritical) && tmp == 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) && (((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && \old(waterLevel) <= waterLevel + 1)) || !(2 <= \old(waterLevel)))) && ((((((pumpRunning == \old(pumpRunning) && methAndRunningLastTime == 0) && \old(waterLevel) <= waterLevel + 1) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 429]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || !(methAndRunningLastTime == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || !(waterLevel == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(2 <= \old(waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((((((((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && (((((((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && \old(waterLevel) == waterLevel) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && ((tmp == 1 && waterLevel == 0) || (!(waterLevel == 0) && tmp == 0)))) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && (((!(1 == systemActive) || !(waterLevel == 0)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || \old(pumpRunning) == 0) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(waterLevel == 0)) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(1 == systemActive) || !(waterLevel == 0)) || !(1 <= methaneLevelCritical)) || \old(pumpRunning) == 0) || !(methAndRunningLastTime == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && !(\result == 0))) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((((((!(\old(methAndRunningLastTime) == 0) || !(1 == systemActive)) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= tmp) && 1 <= \result) && \old(waterLevel) <= waterLevel + 1) && 1 <= tmp___0) && tmp == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(\old(methAndRunningLastTime) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel) && \old(methAndRunningLastTime) == methAndRunningLastTime))) && ((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2021-12-06 19:22:10,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c6ff602-f5e6-4726-92a1-c2e05ffd6344/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE