./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a --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 64bit --witnessprinter.graph.data.programhash c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 16:16:59,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:16:59,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:16:59,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:16:59,509 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:16:59,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:16:59,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:16:59,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:16:59,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:16:59,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:16:59,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:16:59,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:16:59,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:16:59,543 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:16:59,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:16:59,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:16:59,549 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:16:59,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:16:59,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:16:59,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:16:59,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:16:59,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:16:59,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:16:59,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:16:59,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:16:59,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:16:59,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:16:59,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:16:59,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:16:59,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:16:59,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:16:59,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:16:59,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:16:59,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:16:59,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:16:59,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:16:59,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:16:59,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:16:59,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:16:59,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:16:59,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:16:59,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:16:59,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:16:59,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:16:59,658 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:16:59,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:16:59,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:16:59,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:16:59,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:16:59,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:16:59,661 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:16:59,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:16:59,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:16:59,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:16:59,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:16:59,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:16:59,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:16:59,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:16:59,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:16:59,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:16:59,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:16:59,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:16:59,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:16:59,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:16:59,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:16:59,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:16:59,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:16:59,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:16:59,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:16:59,668 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:16:59,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:16:59,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:16:59,669 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_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5e11c32abc44e06be1403f1da490e5e9ddc476b4dd1edb72148385c1e2a0b21 [2022-11-21 16:17:00,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:17:00,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:17:00,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:17:00,054 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:17:00,055 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:17:00,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-21 16:17:03,656 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:17:04,512 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:17:04,513 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-21 16:17:04,600 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/data/3b0163f00/d6cff78811e64d9e9c0de9db71b2dc75/FLAGa6be18949 [2022-11-21 16:17:04,624 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/data/3b0163f00/d6cff78811e64d9e9c0de9db71b2dc75 [2022-11-21 16:17:04,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:17:04,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:17:04,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:17:04,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:17:04,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:17:04,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:17:04" (1/1) ... [2022-11-21 16:17:04,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@321faf87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:04, skipping insertion in model container [2022-11-21 16:17:04,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:17:04" (1/1) ... [2022-11-21 16:17:04,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:17:04,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:17:09,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-11-21 16:17:09,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:17:09,823 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:17:10,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i[382358,382371] [2022-11-21 16:17:10,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:17:10,897 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:17:10,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10 WrapperNode [2022-11-21 16:17:10,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:17:10,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:17:10,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:17:10,899 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:17:10,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,490 INFO L138 Inliner]: procedures = 664, calls = 4066, calls flagged for inlining = 272, calls inlined = 262, statements flattened = 9792 [2022-11-21 16:17:11,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:17:11,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:17:11,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:17:11,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:17:11,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,926 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:11,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:12,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:17:12,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:17:12,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:17:12,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:17:12,007 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (1/1) ... [2022-11-21 16:17:12,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:17:12,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:17:12,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:17:12,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6461246b-ea7a-4c54-b50a-61a408025281/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:17:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-11-21 16:17:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-11-21 16:17:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-11-21 16:17:12,106 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-11-21 16:17:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 16:17:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 16:17:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-11-21 16:17:12,107 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-11-21 16:17:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-21 16:17:12,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-21 16:17:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-11-21 16:17:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-11-21 16:17:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-11-21 16:17:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-11-21 16:17:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-21 16:17:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-11-21 16:17:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-11-21 16:17:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-11-21 16:17:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-11-21 16:17:12,110 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-11-21 16:17:12,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-11-21 16:17:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:17:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:17:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-11-21 16:17:12,111 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-11-21 16:17:12,111 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-11-21 16:17:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-11-21 16:17:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-11-21 16:17:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-11-21 16:17:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-21 16:17:12,112 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-21 16:17:12,112 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-11-21 16:17:12,113 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-11-21 16:17:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-11-21 16:17:12,114 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-11-21 16:17:12,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:17:12,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:17:12,115 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-11-21 16:17:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-11-21 16:17:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-11-21 16:17:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-11-21 16:17:12,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-11-21 16:17:12,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-11-21 16:17:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-11-21 16:17:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-11-21 16:17:12,117 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-11-21 16:17:12,117 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-11-21 16:17:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-11-21 16:17:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-21 16:17:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-21 16:17:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-21 16:17:12,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-21 16:17:12,118 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-11-21 16:17:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-11-21 16:17:12,119 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-11-21 16:17:12,119 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-11-21 16:17:12,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:17:12,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:17:12,121 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-11-21 16:17:12,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-11-21 16:17:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-11-21 16:17:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-11-21 16:17:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-21 16:17:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-21 16:17:12,122 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-11-21 16:17:12,122 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-11-21 16:17:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-11-21 16:17:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-11-21 16:17:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-11-21 16:17:12,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-11-21 16:17:12,123 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-11-21 16:17:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-11-21 16:17:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-11-21 16:17:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-11-21 16:17:12,124 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-11-21 16:17:12,124 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-11-21 16:17:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:17:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:17:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-11-21 16:17:12,125 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-11-21 16:17:12,125 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-11-21 16:17:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-11-21 16:17:12,126 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-11-21 16:17:12,126 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-11-21 16:17:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-11-21 16:17:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-11-21 16:17:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-11-21 16:17:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-11-21 16:17:12,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-21 16:17:12,127 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-21 16:17:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-11-21 16:17:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-11-21 16:17:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-11-21 16:17:12,128 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-11-21 16:17:12,128 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-11-21 16:17:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:17:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:17:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:17:12,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:17:12,129 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-11-21 16:17:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-11-21 16:17:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:17:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-11-21 16:17:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-11-21 16:17:12,130 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-11-21 16:17:12,130 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-11-21 16:17:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 16:17:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 16:17:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-11-21 16:17:12,131 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-11-21 16:17:12,131 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-11-21 16:17:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-11-21 16:17:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-21 16:17:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-21 16:17:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-11-21 16:17:12,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-11-21 16:17:12,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:17:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-11-21 16:17:12,133 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-11-21 16:17:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-11-21 16:17:12,133 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-11-21 16:17:12,133 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-21 16:17:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-21 16:17:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-11-21 16:17:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-11-21 16:17:12,134 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-11-21 16:17:12,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-11-21 16:17:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:17:12,135 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-11-21 16:17:12,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-11-21 16:17:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-11-21 16:17:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-11-21 16:17:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-11-21 16:17:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-11-21 16:17:12,136 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-11-21 16:17:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-11-21 16:17:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:17:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-11-21 16:17:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-11-21 16:17:12,137 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-11-21 16:17:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-11-21 16:17:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:17:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:17:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-11-21 16:17:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-11-21 16:17:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-11-21 16:17:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-11-21 16:17:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-11-21 16:17:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-11-21 16:17:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-21 16:17:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-21 16:17:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-11-21 16:17:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-11-21 16:17:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-11-21 16:17:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-11-21 16:17:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 16:17:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 16:17:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-11-21 16:17:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-11-21 16:17:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-11-21 16:17:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-11-21 16:17:12,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_19 [2022-11-21 16:17:12,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_19 [2022-11-21 16:17:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 16:17:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 16:17:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-11-21 16:17:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-11-21 16:17:12,142 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-11-21 16:17:12,142 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-11-21 16:17:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-11-21 16:17:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-11-21 16:17:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:17:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-11-21 16:17:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-11-21 16:17:12,143 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-11-21 16:17:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-11-21 16:17:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-21 16:17:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-21 16:17:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:17:12,144 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-11-21 16:17:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-11-21 16:17:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-11-21 16:17:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-11-21 16:17:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-11-21 16:17:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-11-21 16:17:12,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:17:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:17:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 16:17:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-11-21 16:17:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-11-21 16:17:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-11-21 16:17:12,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-11-21 16:17:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-11-21 16:17:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-11-21 16:17:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-11-21 16:17:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-11-21 16:17:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-11-21 16:17:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-11-21 16:17:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-11-21 16:17:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-11-21 16:17:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-11-21 16:17:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-11-21 16:17:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-11-21 16:17:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-11-21 16:17:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-21 16:17:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-21 16:17:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-11-21 16:17:12,149 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-11-21 16:17:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-11-21 16:17:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-11-21 16:17:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-21 16:17:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-21 16:17:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-11-21 16:17:12,150 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-11-21 16:17:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-11-21 16:17:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-11-21 16:17:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-11-21 16:17:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-11-21 16:17:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-11-21 16:17:12,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-11-21 16:17:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-11-21 16:17:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-11-21 16:17:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-11-21 16:17:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-11-21 16:17:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-11-21 16:17:12,152 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-11-21 16:17:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-21 16:17:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-21 16:17:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-21 16:17:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-21 16:17:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-11-21 16:17:12,153 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-11-21 16:17:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-11-21 16:17:12,154 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-11-21 16:17:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-11-21 16:17:12,154 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-11-21 16:17:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-11-21 16:17:12,154 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-11-21 16:17:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-21 16:17:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-21 16:17:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-11-21 16:17:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-11-21 16:17:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:17:12,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:17:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-11-21 16:17:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-11-21 16:17:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 16:17:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 16:17:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-11-21 16:17:12,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-11-21 16:17:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-11-21 16:17:12,157 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-11-21 16:17:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-11-21 16:17:12,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-11-21 16:17:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-11-21 16:17:12,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-11-21 16:17:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-11-21 16:17:12,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-11-21 16:17:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-11-21 16:17:12,158 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-11-21 16:17:12,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:17:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:17:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:17:12,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:17:12,159 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-11-21 16:17:12,159 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-11-21 16:17:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-11-21 16:17:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-11-21 16:17:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-11-21 16:17:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-11-21 16:17:12,160 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-11-21 16:17:12,160 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-11-21 16:17:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-11-21 16:17:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-11-21 16:17:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-11-21 16:17:12,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-11-21 16:17:12,161 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-11-21 16:17:12,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-11-21 16:17:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-11-21 16:17:12,162 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-11-21 16:17:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-11-21 16:17:12,162 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-11-21 16:17:12,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_18 [2022-11-21 16:17:12,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_18 [2022-11-21 16:17:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-11-21 16:17:12,163 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-11-21 16:17:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-11-21 16:17:12,163 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-11-21 16:17:12,163 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-11-21 16:17:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-11-21 16:17:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:17:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:17:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-11-21 16:17:12,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-11-21 16:17:12,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:17:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:17:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-21 16:17:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-21 16:17:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-11-21 16:17:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-11-21 16:17:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-21 16:17:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-21 16:17:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:17:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:17:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-11-21 16:17:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-11-21 16:17:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:17:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:17:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-11-21 16:17:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-11-21 16:17:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-11-21 16:17:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-11-21 16:17:12,167 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-11-21 16:17:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-11-21 16:17:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-21 16:17:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-21 16:17:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-11-21 16:17:12,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-11-21 16:17:12,168 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 16:17:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 16:17:12,169 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-11-21 16:17:12,169 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-11-21 16:17:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-11-21 16:17:12,279 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-11-21 16:17:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-11-21 16:17:12,279 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-11-21 16:17:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-11-21 16:17:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-11-21 16:17:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-21 16:17:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-21 16:17:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:17:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 16:17:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 16:17:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-11-21 16:17:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-11-21 16:17:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-11-21 16:17:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-11-21 16:17:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:17:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-11-21 16:17:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-11-21 16:17:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-21 16:17:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-21 16:17:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-11-21 16:17:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-11-21 16:17:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-11-21 16:17:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-11-21 16:17:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-11-21 16:17:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-11-21 16:17:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-11-21 16:17:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-11-21 16:17:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-11-21 16:17:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-11-21 16:17:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-11-21 16:17:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-11-21 16:17:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:17:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-11-21 16:17:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-11-21 16:17:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-11-21 16:17:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-11-21 16:17:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 16:17:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 16:17:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-21 16:17:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-21 16:17:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 16:17:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 16:17:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-11-21 16:17:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-11-21 16:17:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-21 16:17:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-21 16:17:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-11-21 16:17:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-11-21 16:17:12,286 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-11-21 16:17:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-11-21 16:17:12,286 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-11-21 16:17:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-11-21 16:17:12,286 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-21 16:17:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-21 16:17:12,286 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-11-21 16:17:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-11-21 16:17:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-11-21 16:17:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-11-21 16:17:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-11-21 16:17:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-11-21 16:17:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-11-21 16:17:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-11-21 16:17:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-11-21 16:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-11-21 16:17:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 16:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 16:17:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-11-21 16:17:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-11-21 16:17:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-11-21 16:17:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-11-21 16:17:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-11-21 16:17:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-11-21 16:17:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-11-21 16:17:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-11-21 16:17:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-11-21 16:17:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-11-21 16:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-11-21 16:17:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-11-21 16:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-11-21 16:17:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-11-21 16:17:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-11-21 16:17:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-11-21 16:17:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-11-21 16:17:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-11-21 16:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 16:17:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 16:17:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-11-21 16:17:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-11-21 16:17:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-11-21 16:17:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 16:17:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 16:17:12,294 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-11-21 16:17:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-11-21 16:17:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:17:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-11-21 16:17:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-11-21 16:17:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-11-21 16:17:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-11-21 16:17:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:17:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:17:12,296 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-11-21 16:17:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-11-21 16:17:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 16:17:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 16:17:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-11-21 16:17:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-11-21 16:17:12,297 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-11-21 16:17:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-11-21 16:17:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-21 16:17:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-21 16:17:12,298 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-11-21 16:17:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-11-21 16:17:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-11-21 16:17:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-11-21 16:17:12,299 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-11-21 16:17:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-11-21 16:17:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-11-21 16:17:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-11-21 16:17:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-11-21 16:17:12,300 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-11-21 16:17:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-11-21 16:17:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-11-21 16:17:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-11-21 16:17:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-11-21 16:17:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-11-21 16:17:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-11-21 16:17:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2022-11-21 16:17:12,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2022-11-21 16:17:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-21 16:17:12,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-21 16:17:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-11-21 16:17:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-11-21 16:17:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-11-21 16:17:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-11-21 16:17:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2022-11-21 16:17:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2022-11-21 16:17:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-21 16:17:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-21 16:17:12,304 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-11-21 16:17:12,304 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-11-21 16:17:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-11-21 16:17:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-11-21 16:17:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-11-21 16:17:12,305 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-11-21 16:17:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-21 16:17:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-21 16:17:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-11-21 16:17:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-11-21 16:17:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-21 16:17:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-21 16:17:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-11-21 16:17:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-11-21 16:17:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-11-21 16:17:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-11-21 16:17:12,307 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-11-21 16:17:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-11-21 16:17:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-11-21 16:17:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-11-21 16:17:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-11-21 16:17:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-11-21 16:17:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-11-21 16:17:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-11-21 16:17:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-11-21 16:17:12,309 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-11-21 16:17:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-11-21 16:17:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 16:17:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 16:17:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:17:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:17:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-11-21 16:17:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-11-21 16:17:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-11-21 16:17:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-11-21 16:17:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-11-21 16:17:12,312 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-11-21 16:17:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-11-21 16:17:12,312 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-11-21 16:17:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:17:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-11-21 16:17:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-11-21 16:17:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-11-21 16:17:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-11-21 16:17:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-11-21 16:17:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-11-21 16:17:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-21 16:17:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-11-21 16:17:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-11-21 16:17:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-11-21 16:17:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-11-21 16:17:14,140 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:17:14,147 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:17:15,055 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:17:27,632 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:17:27,670 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:17:27,673 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:17:27,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:17:27 BoogieIcfgContainer [2022-11-21 16:17:27,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:17:27,687 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:17:27,687 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:17:27,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:17:27,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:17:04" (1/3) ... [2022-11-21 16:17:27,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecef08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:17:27, skipping insertion in model container [2022-11-21 16:17:27,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:17:10" (2/3) ... [2022-11-21 16:17:27,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecef08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:17:27, skipping insertion in model container [2022-11-21 16:17:27,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:17:27" (3/3) ... [2022-11-21 16:17:27,698 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-11-21 16:17:27,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:17:27,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:17:27,889 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:17:27,898 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1e0defc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:17:27,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:17:27,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 3866 states, 2486 states have (on average 1.2719227674979887) internal successors, (3162), 2572 states have internal predecessors, (3162), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) [2022-11-21 16:17:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-21 16:17:27,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:17:27,949 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:17:27,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:17:27,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:17:27,955 INFO L85 PathProgramCache]: Analyzing trace with hash -185027483, now seen corresponding path program 1 times [2022-11-21 16:17:27,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:17:27,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994534484] [2022-11-21 16:17:27,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:17:27,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:17:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:17:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:17:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:17:29,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:17:29,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:17:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:17:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:17:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:17:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:17:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:17:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:17:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:17:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:17:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:17:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:17:29,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:17:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:17:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:29,912 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 16:17:29,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:17:29,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994534484] [2022-11-21 16:17:29,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994534484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:17:29,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:17:29,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:17:29,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247499514] [2022-11-21 16:17:29,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:17:29,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:17:29,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:17:29,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:17:29,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:17:29,995 INFO L87 Difference]: Start difference. First operand has 3866 states, 2486 states have (on average 1.2719227674979887) internal successors, (3162), 2572 states have internal predecessors, (3162), 1134 states have call successors, (1134), 245 states have call predecessors, (1134), 244 states have return successors, (1128), 1099 states have call predecessors, (1128), 1128 states have call successors, (1128) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:17:41,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:49,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:51,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:17:52,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:17:52,012 INFO L93 Difference]: Finished difference Result 8385 states and 12237 transitions. [2022-11-21 16:17:52,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:17:52,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-11-21 16:17:52,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:17:52,111 INFO L225 Difference]: With dead ends: 8385 [2022-11-21 16:17:52,111 INFO L226 Difference]: Without dead ends: 4503 [2022-11-21 16:17:52,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:17:52,168 INFO L413 NwaCegarLoop]: 4164 mSDtfsCounter, 4250 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 2984 mSolverCounterSat, 4956 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4349 SdHoareTripleChecker+Valid, 6307 SdHoareTripleChecker+Invalid, 7941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4956 IncrementalHoareTripleChecker+Valid, 2984 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:17:52,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4349 Valid, 6307 Invalid, 7941 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4956 Valid, 2984 Invalid, 1 Unknown, 0 Unchecked, 20.9s Time] [2022-11-21 16:17:52,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4503 states. [2022-11-21 16:17:52,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4503 to 3845. [2022-11-21 16:17:52,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 2473 states have (on average 1.2664779619894864) internal successors, (3132), 2551 states have internal predecessors, (3132), 1128 states have call successors, (1128), 244 states have call predecessors, (1128), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-21 16:17:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 5382 transitions. [2022-11-21 16:17:52,616 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 5382 transitions. Word has length 253 [2022-11-21 16:17:52,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:17:52,618 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 5382 transitions. [2022-11-21 16:17:52,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:17:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 5382 transitions. [2022-11-21 16:17:52,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-21 16:17:52,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:17:52,638 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:17:52,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:17:52,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:17:52,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:17:52,640 INFO L85 PathProgramCache]: Analyzing trace with hash -983203181, now seen corresponding path program 1 times [2022-11-21 16:17:52,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:17:52,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122903453] [2022-11-21 16:17:52,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:17:52,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:17:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:17:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:17:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:17:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:17:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:17:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:17:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:17:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:17:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:17:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:17:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:17:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:17:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:17:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:53,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:53,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:17:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:17:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:17:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:54,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:17:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:17:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:17:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:17:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 16:17:54,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:17:54,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122903453] [2022-11-21 16:17:54,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122903453] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:17:54,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:17:54,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:17:54,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919855207] [2022-11-21 16:17:54,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:17:54,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:17:54,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:17:54,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:17:54,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:17:54,157 INFO L87 Difference]: Start difference. First operand 3845 states and 5382 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:18:00,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:09,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:11,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:24,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:27,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:29,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:31,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:32,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:35,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:36,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:18:36,212 INFO L93 Difference]: Finished difference Result 4505 states and 6507 transitions. [2022-11-21 16:18:36,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:18:36,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-11-21 16:18:36,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:18:36,256 INFO L225 Difference]: With dead ends: 4505 [2022-11-21 16:18:36,257 INFO L226 Difference]: Without dead ends: 4502 [2022-11-21 16:18:36,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:18:36,263 INFO L413 NwaCegarLoop]: 4074 mSDtfsCounter, 7439 mSDsluCounter, 5460 mSDsCounter, 0 mSdLazyCounter, 5657 mSolverCounterSat, 4215 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8075 SdHoareTripleChecker+Valid, 9534 SdHoareTripleChecker+Invalid, 9875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4215 IncrementalHoareTripleChecker+Valid, 5657 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:18:36,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8075 Valid, 9534 Invalid, 9875 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4215 Valid, 5657 Invalid, 3 Unknown, 0 Unchecked, 41.3s Time] [2022-11-21 16:18:36,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2022-11-21 16:18:36,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 3844. [2022-11-21 16:18:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3844 states, 2473 states have (on average 1.2660735948241002) internal successors, (3131), 2550 states have internal predecessors, (3131), 1127 states have call successors, (1127), 244 states have call predecessors, (1127), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-21 16:18:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 3844 states and 5380 transitions. [2022-11-21 16:18:36,617 INFO L78 Accepts]: Start accepts. Automaton has 3844 states and 5380 transitions. Word has length 253 [2022-11-21 16:18:36,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:18:36,619 INFO L495 AbstractCegarLoop]: Abstraction has 3844 states and 5380 transitions. [2022-11-21 16:18:36,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:18:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 3844 states and 5380 transitions. [2022-11-21 16:18:36,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-21 16:18:36,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:18:36,626 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:18:36,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:18:36,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:18:36,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:18:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash -416488889, now seen corresponding path program 1 times [2022-11-21 16:18:36,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:18:36,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969143455] [2022-11-21 16:18:36,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:18:36,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:18:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:18:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:18:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:18:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:18:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:18:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:18:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:18:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:18:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:18:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:18:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:18:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:18:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:18:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:18:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:18:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:18:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:18:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:18:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:18:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:18:37,801 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 16:18:37,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:18:37,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969143455] [2022-11-21 16:18:37,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969143455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:18:37,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:18:37,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:18:37,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762247995] [2022-11-21 16:18:37,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:18:37,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:18:37,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:18:37,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:18:37,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:18:37,807 INFO L87 Difference]: Start difference. First operand 3844 states and 5380 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:18:44,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:50,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:52,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:18:53,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:07,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:09,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:11,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:14,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:16,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:17,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:19,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:20,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:21,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:19:21,680 INFO L93 Difference]: Finished difference Result 4504 states and 6505 transitions. [2022-11-21 16:19:21,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:19:21,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 254 [2022-11-21 16:19:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:19:21,720 INFO L225 Difference]: With dead ends: 4504 [2022-11-21 16:19:21,720 INFO L226 Difference]: Without dead ends: 4501 [2022-11-21 16:19:21,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:19:21,725 INFO L413 NwaCegarLoop]: 4082 mSDtfsCounter, 7426 mSDsluCounter, 5462 mSDsCounter, 0 mSdLazyCounter, 5669 mSolverCounterSat, 4206 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8057 SdHoareTripleChecker+Valid, 9544 SdHoareTripleChecker+Invalid, 9877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4206 IncrementalHoareTripleChecker+Valid, 5669 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:19:21,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8057 Valid, 9544 Invalid, 9877 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4206 Valid, 5669 Invalid, 2 Unknown, 0 Unchecked, 43.1s Time] [2022-11-21 16:19:21,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4501 states. [2022-11-21 16:19:22,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4501 to 3843. [2022-11-21 16:19:22,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 2473 states have (on average 1.265669227658714) internal successors, (3130), 2549 states have internal predecessors, (3130), 1126 states have call successors, (1126), 244 states have call predecessors, (1126), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-21 16:19:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 5378 transitions. [2022-11-21 16:19:22,063 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 5378 transitions. Word has length 254 [2022-11-21 16:19:22,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:19:22,065 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 5378 transitions. [2022-11-21 16:19:22,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:19:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 5378 transitions. [2022-11-21 16:19:22,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-21 16:19:22,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:19:22,073 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:19:22,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:19:22,074 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:19:22,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:19:22,075 INFO L85 PathProgramCache]: Analyzing trace with hash -28210154, now seen corresponding path program 1 times [2022-11-21 16:19:22,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:19:22,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877825078] [2022-11-21 16:19:22,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:19:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:19:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:19:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:19:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:19:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:19:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:19:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:19:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:19:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:19:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:22,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:19:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:19:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:19:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:19:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:19:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:19:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:19:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:19:23,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 16:19:23,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:19:23,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877825078] [2022-11-21 16:19:23,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877825078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:19:23,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:19:23,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:19:23,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556386522] [2022-11-21 16:19:23,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:19:23,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:19:23,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:19:23,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:19:23,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:19:23,235 INFO L87 Difference]: Start difference. First operand 3843 states and 5378 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:19:39,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:40,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:19:42,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:19:42,104 INFO L93 Difference]: Finished difference Result 4503 states and 6503 transitions. [2022-11-21 16:19:42,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:19:42,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 255 [2022-11-21 16:19:42,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:19:42,141 INFO L225 Difference]: With dead ends: 4503 [2022-11-21 16:19:42,142 INFO L226 Difference]: Without dead ends: 4500 [2022-11-21 16:19:42,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:19:42,148 INFO L413 NwaCegarLoop]: 4085 mSDtfsCounter, 8934 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 5943 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9571 SdHoareTripleChecker+Valid, 6213 SdHoareTripleChecker+Invalid, 8973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5943 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:19:42,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9571 Valid, 6213 Invalid, 8973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5943 Valid, 3030 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2022-11-21 16:19:42,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2022-11-21 16:19:42,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 3842. [2022-11-21 16:19:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2473 states have (on average 1.2652648604933279) internal successors, (3129), 2548 states have internal predecessors, (3129), 1125 states have call successors, (1125), 244 states have call predecessors, (1125), 243 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-21 16:19:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5376 transitions. [2022-11-21 16:19:42,496 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5376 transitions. Word has length 255 [2022-11-21 16:19:42,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:19:42,497 INFO L495 AbstractCegarLoop]: Abstraction has 3842 states and 5376 transitions. [2022-11-21 16:19:42,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:19:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5376 transitions. [2022-11-21 16:19:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-21 16:19:42,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:19:42,503 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:19:42,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:19:42,504 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:19:42,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:19:42,505 INFO L85 PathProgramCache]: Analyzing trace with hash -876466390, now seen corresponding path program 1 times [2022-11-21 16:19:42,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:19:42,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627251355] [2022-11-21 16:19:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:19:42,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:19:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:42,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:19:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:19:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:19:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:19:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:19:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:19:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:19:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:19:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:19:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:19:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:19:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:19:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:19:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:19:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:19:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:19:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:19:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:19:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:19:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:19:43,583 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 16:19:43,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:19:43,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627251355] [2022-11-21 16:19:43,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627251355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:19:43,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:19:43,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:19:43,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983190728] [2022-11-21 16:19:43,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:19:43,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:19:43,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:19:43,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:19:43,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:19:43,588 INFO L87 Difference]: Start difference. First operand 3842 states and 5376 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:19:48,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:00,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:02,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:04,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:04,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:20:04,571 INFO L93 Difference]: Finished difference Result 4513 states and 6510 transitions. [2022-11-21 16:20:04,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:20:04,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 256 [2022-11-21 16:20:04,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:20:04,600 INFO L225 Difference]: With dead ends: 4513 [2022-11-21 16:20:04,601 INFO L226 Difference]: Without dead ends: 4500 [2022-11-21 16:20:04,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-21 16:20:04,606 INFO L413 NwaCegarLoop]: 4119 mSDtfsCounter, 8919 mSDsluCounter, 2149 mSDsCounter, 0 mSdLazyCounter, 3041 mSolverCounterSat, 5963 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9516 SdHoareTripleChecker+Valid, 6268 SdHoareTripleChecker+Invalid, 9005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5963 IncrementalHoareTripleChecker+Valid, 3041 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:20:04,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9516 Valid, 6268 Invalid, 9005 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5963 Valid, 3041 Invalid, 1 Unknown, 0 Unchecked, 20.3s Time] [2022-11-21 16:20:04,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4500 states. [2022-11-21 16:20:04,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4500 to 3842. [2022-11-21 16:20:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3842 states, 2472 states have (on average 1.26415857605178) internal successors, (3125), 2545 states have internal predecessors, (3125), 1123 states have call successors, (1123), 247 states have call predecessors, (1123), 246 states have return successors, (1122), 1093 states have call predecessors, (1122), 1122 states have call successors, (1122) [2022-11-21 16:20:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3842 states to 3842 states and 5370 transitions. [2022-11-21 16:20:04,946 INFO L78 Accepts]: Start accepts. Automaton has 3842 states and 5370 transitions. Word has length 256 [2022-11-21 16:20:04,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:20:04,947 INFO L495 AbstractCegarLoop]: Abstraction has 3842 states and 5370 transitions. [2022-11-21 16:20:04,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-21 16:20:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 3842 states and 5370 transitions. [2022-11-21 16:20:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-11-21 16:20:04,958 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:20:04,958 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:20:04,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:20:04,959 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:20:04,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:20:04,959 INFO L85 PathProgramCache]: Analyzing trace with hash 436110679, now seen corresponding path program 1 times [2022-11-21 16:20:04,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:20:04,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906792796] [2022-11-21 16:20:04,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:20:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:20:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:20:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:20:05,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:20:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:20:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:20:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:20:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:20:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:20:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:20:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:20:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:20:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:20:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:20:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:20:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:20:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:20:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:20:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:20:05,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:20:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-11-21 16:20:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-21 16:20:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-21 16:20:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:20:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 16:20:05,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:20:05,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906792796] [2022-11-21 16:20:05,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906792796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:20:05,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:20:05,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:20:05,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884609344] [2022-11-21 16:20:05,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:20:05,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:20:05,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:20:05,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:20:05,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:20:05,788 INFO L87 Difference]: Start difference. First operand 3842 states and 5370 transitions. Second operand has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:20:12,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:13,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:52,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:20:58,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:01,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:04,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:06,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:08,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:10,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:12,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:21:17,818 INFO L93 Difference]: Finished difference Result 12708 states and 18340 transitions. [2022-11-21 16:21:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 16:21:17,819 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 288 [2022-11-21 16:21:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:21:17,886 INFO L225 Difference]: With dead ends: 12708 [2022-11-21 16:21:17,886 INFO L226 Difference]: Without dead ends: 8905 [2022-11-21 16:21:17,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2022-11-21 16:21:17,915 INFO L413 NwaCegarLoop]: 3259 mSDtfsCounter, 12559 mSDsluCounter, 7921 mSDsCounter, 0 mSdLazyCounter, 18706 mSolverCounterSat, 11505 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 65.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13337 SdHoareTripleChecker+Valid, 11180 SdHoareTripleChecker+Invalid, 30214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 11505 IncrementalHoareTripleChecker+Valid, 18706 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 70.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:21:17,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13337 Valid, 11180 Invalid, 30214 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [11505 Valid, 18706 Invalid, 3 Unknown, 0 Unchecked, 70.0s Time] [2022-11-21 16:21:17,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8905 states. [2022-11-21 16:21:18,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8905 to 6545. [2022-11-21 16:21:18,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6545 states, 4180 states have (on average 1.2523923444976077) internal successors, (5235), 4324 states have internal predecessors, (5235), 1905 states have call successors, (1905), 460 states have call predecessors, (1905), 459 states have return successors, (1904), 1846 states have call predecessors, (1904), 1904 states have call successors, (1904) [2022-11-21 16:21:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6545 states to 6545 states and 9044 transitions. [2022-11-21 16:21:18,779 INFO L78 Accepts]: Start accepts. Automaton has 6545 states and 9044 transitions. Word has length 288 [2022-11-21 16:21:18,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:21:18,780 INFO L495 AbstractCegarLoop]: Abstraction has 6545 states and 9044 transitions. [2022-11-21 16:21:18,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.0) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (28), 6 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-21 16:21:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 6545 states and 9044 transitions. [2022-11-21 16:21:18,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2022-11-21 16:21:18,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:21:18,800 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:21:18,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:21:18,800 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:21:18,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:21:18,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1429044859, now seen corresponding path program 1 times [2022-11-21 16:21:18,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:21:18,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835249168] [2022-11-21 16:21:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:21:18,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:21:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:21:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:21:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:21:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:21:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:21:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:21:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:21:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:21:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:21:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:21:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:21:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:21:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:21:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:21:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:21:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:21:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:21:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-21 16:21:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:21:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-21 16:21:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:21:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:21:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2022-11-21 16:21:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-11-21 16:21:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-11-21 16:21:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:21:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-11-21 16:21:19,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:21:19,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835249168] [2022-11-21 16:21:19,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835249168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:21:19,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:21:19,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 16:21:19,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076300456] [2022-11-21 16:21:19,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:21:19,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 16:21:19,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:21:19,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 16:21:19,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:21:19,861 INFO L87 Difference]: Start difference. First operand 6545 states and 9044 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:21:36,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:37,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:41,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:21:45,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:08,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:11,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:12,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:15,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:16,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:21,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:22,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:27,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:29,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:22:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:22:31,029 INFO L93 Difference]: Finished difference Result 20062 states and 28975 transitions. [2022-11-21 16:22:31,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-21 16:22:31,030 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 341 [2022-11-21 16:22:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:22:31,116 INFO L225 Difference]: With dead ends: 20062 [2022-11-21 16:22:31,117 INFO L226 Difference]: Without dead ends: 13556 [2022-11-21 16:22:31,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-11-21 16:22:31,165 INFO L413 NwaCegarLoop]: 4481 mSDtfsCounter, 12866 mSDsluCounter, 8109 mSDsCounter, 0 mSdLazyCounter, 17393 mSolverCounterSat, 13025 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13799 SdHoareTripleChecker+Valid, 12590 SdHoareTripleChecker+Invalid, 30421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13025 IncrementalHoareTripleChecker+Valid, 17393 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:22:31,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13799 Valid, 12590 Invalid, 30421 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13025 Valid, 17393 Invalid, 3 Unknown, 0 Unchecked, 68.4s Time] [2022-11-21 16:22:31,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13556 states. [2022-11-21 16:22:32,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13556 to 9598. [2022-11-21 16:22:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9598 states, 6151 states have (on average 1.249552918224679) internal successors, (7686), 6368 states have internal predecessors, (7686), 2761 states have call successors, (2761), 686 states have call predecessors, (2761), 685 states have return successors, (2760), 2673 states have call predecessors, (2760), 2760 states have call successors, (2760) [2022-11-21 16:22:32,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9598 states to 9598 states and 13207 transitions. [2022-11-21 16:22:32,377 INFO L78 Accepts]: Start accepts. Automaton has 9598 states and 13207 transitions. Word has length 341 [2022-11-21 16:22:32,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:22:32,378 INFO L495 AbstractCegarLoop]: Abstraction has 9598 states and 13207 transitions. [2022-11-21 16:22:32,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-21 16:22:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 9598 states and 13207 transitions. [2022-11-21 16:22:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-11-21 16:22:32,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:22:32,396 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:22:32,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:22:32,397 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:22:32,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:22:32,398 INFO L85 PathProgramCache]: Analyzing trace with hash 26213884, now seen corresponding path program 1 times [2022-11-21 16:22:32,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:22:32,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499232987] [2022-11-21 16:22:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:22:32,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:22:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:22:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:22:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:22:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:22:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:22:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:22:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:22:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:22:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:22:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:22:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 16:22:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-21 16:22:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 16:22:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 16:22:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-21 16:22:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-11-21 16:22:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-21 16:22:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 16:22:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-21 16:22:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-21 16:22:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-11-21 16:22:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-21 16:22:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2022-11-21 16:22:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:22:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 16:22:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-11-21 16:22:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-11-21 16:22:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:22:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:22:33,835 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-11-21 16:22:33,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:22:33,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499232987] [2022-11-21 16:22:33,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499232987] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:22:33,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:22:33,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:22:33,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574533356] [2022-11-21 16:22:33,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:22:33,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:22:33,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:22:33,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:22:33,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:22:33,838 INFO L87 Difference]: Start difference. First operand 9598 states and 13207 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 16:22:47,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:00,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:02,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:06,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:07,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:10,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 16:23:12,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:23:12,241 INFO L93 Difference]: Finished difference Result 13180 states and 19207 transitions. [2022-11-21 16:23:12,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-21 16:23:12,242 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 344 [2022-11-21 16:23:12,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:23:12,244 INFO L225 Difference]: With dead ends: 13180 [2022-11-21 16:23:12,244 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 16:23:12,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-11-21 16:23:12,314 INFO L413 NwaCegarLoop]: 2972 mSDtfsCounter, 7281 mSDsluCounter, 4801 mSDsCounter, 0 mSdLazyCounter, 9702 mSolverCounterSat, 7292 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7863 SdHoareTripleChecker+Valid, 7773 SdHoareTripleChecker+Invalid, 16995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7292 IncrementalHoareTripleChecker+Valid, 9702 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:23:12,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7863 Valid, 7773 Invalid, 16995 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7292 Valid, 9702 Invalid, 1 Unknown, 0 Unchecked, 36.4s Time] [2022-11-21 16:23:12,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 16:23:12,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 16:23:12,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:23:12,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 16:23:12,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 344 [2022-11-21 16:23:12,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:23:12,320 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:23:12,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (39), 7 states have call predecessors, (39), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-21 16:23:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:23:12,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 16:23:12,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:23:12,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:23:12,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 16:23:34,507 WARN L233 SmtUtils]: Spent 5.04s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:24:44,567 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:24:50,706 WARN L233 SmtUtils]: Spent 6.14s on a formula simplification. DAG size of input: 57 DAG size of output: 54 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:24:55,715 WARN L233 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:25:00,961 WARN L233 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:25:07,322 WARN L233 SmtUtils]: Spent 6.36s on a formula simplification. DAG size of input: 57 DAG size of output: 54 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:27:27,029 WARN L233 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:27:58,431 WARN L233 SmtUtils]: Spent 5.49s on a formula simplification. DAG size of input: 57 DAG size of output: 54 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-11-21 16:28:03,521 WARN L233 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)