./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-08_1a-drivers--scsi--fcoe--fcoe.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/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_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/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_aa933532-c4c5-4c5d-b1c6-44975d3639e0/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 a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 --- 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 16:31:28,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:31:28,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:31:28,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:31:28,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:31:28,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:31:28,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:31:28,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:31:28,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:31:28,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:31:28,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:31:28,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:31:28,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:31:28,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:31:28,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:31:28,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:31:28,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:31:28,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:31:28,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:31:28,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:31:28,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:31:28,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:31:28,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:31:28,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:31:28,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:31:28,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:31:28,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:31:28,358 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:31:28,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:31:28,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:31:28,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:31:28,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:31:28,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:31:28,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:31:28,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:31:28,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:31:28,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:31:28,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:31:28,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:31:28,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:31:28,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:31:28,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:31:28,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:31:28,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:31:28,404 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:31:28,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:31:28,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:31:28,405 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:31:28,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:31:28,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:31:28,406 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:31:28,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:31:28,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:31:28,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:31:28,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:31:28,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:31:28,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:31:28,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:31:28,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:31:28,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:31:28,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:31:28,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:31:28,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:31:28,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:31:28,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:31:28,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:31:28,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:31:28,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:31:28,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:31:28,421 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:31:28,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:31:28,423 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:31:28,423 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_aa933532-c4c5-4c5d-b1c6-44975d3639e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a3ff87c3e5fb8bea0460b71e9b9f7b5386599503dd506c0803db0e63f978b184 [2022-11-21 16:31:28,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:31:28,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:31:28,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:31:28,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:31:28,707 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:31:28,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-11-21 16:31:31,785 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:31:32,572 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:31:32,573 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-11-21 16:31:32,636 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/data/83d8bdb96/d586ca6ae24d4b5bb3ce5811977e75f7/FLAGa3f179785 [2022-11-21 16:31:32,656 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/data/83d8bdb96/d586ca6ae24d4b5bb3ce5811977e75f7 [2022-11-21 16:31:32,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:31:32,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:31:32,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:31:32,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:31:32,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:31:32,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:31:32" (1/1) ... [2022-11-21 16:31:32,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7fb8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:32, skipping insertion in model container [2022-11-21 16:31:32,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:31:32" (1/1) ... [2022-11-21 16:31:32,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:31:32,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:31:36,337 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_aa933532-c4c5-4c5d-b1c6-44975d3639e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2022-11-21 16:31:36,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:31:36,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:31:37,158 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_aa933532-c4c5-4c5d-b1c6-44975d3639e0/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i[413960,413973] [2022-11-21 16:31:37,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:31:37,366 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:31:37,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37 WrapperNode [2022-11-21 16:31:37,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:31:37,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:31:37,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:31:37,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:31:37,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:37,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:37,775 INFO L138 Inliner]: procedures = 420, calls = 2181, calls flagged for inlining = 207, calls inlined = 186, statements flattened = 6321 [2022-11-21 16:31:37,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:31:37,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:31:37,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:31:37,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:31:37,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:37,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:37,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:37,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:38,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:38,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:38,089 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:38,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:38,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:31:38,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:31:38,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:31:38,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:31:38,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (1/1) ... [2022-11-21 16:31:38,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:31:38,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:31:38,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:31:38,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:31:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_done [2022-11-21 16:31:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_done [2022-11-21 16:31:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_get_wwn [2022-11-21 16:31:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_get_wwn [2022-11-21 16:31:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure fc_lport_bsg_request [2022-11-21 16:31:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_lport_bsg_request [2022-11-21 16:31:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-21 16:31:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_del [2022-11-21 16:31:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_del [2022-11-21 16:31:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-21 16:31:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-21 16:31:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-21 16:31:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-21 16:31:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-21 16:31:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-21 16:31:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-21 16:31:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-21 16:31:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_header_get [2022-11-21 16:31:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_header_get [2022-11-21 16:31:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:31:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:31:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev [2022-11-21 16:31:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev [2022-11-21 16:31:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_recv_flogi [2022-11-21 16:31:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_recv_flogi [2022-11-21 16:31:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_setlink [2022-11-21 16:31:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_setlink [2022-11-21 16:31:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_abort [2022-11-21 16:31:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_abort [2022-11-21 16:31:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-11-21 16:31:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-11-21 16:31:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_dev_from_skb [2022-11-21 16:31:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_dev_from_skb [2022-11-21 16:31:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_4 [2022-11-21 16:31:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_4 [2022-11-21 16:31:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_create [2022-11-21 16:31:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_create [2022-11-21 16:31:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_priv [2022-11-21 16:31:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_priv [2022-11-21 16:31:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-11-21 16:31:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-11-21 16:31:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_ok [2022-11-21 16:31:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_ok [2022-11-21 16:31:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:31:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:31:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_vport_destroy [2022-11-21 16:31:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_vport_destroy [2022-11-21 16:31:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_alloc [2022-11-21 16:31:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_alloc [2022-11-21 16:31:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_port_state [2022-11-21 16:31:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_port_state [2022-11-21 16:31:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure fc_release_transport [2022-11-21 16:31:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_release_transport [2022-11-21 16:31:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_reset [2022-11-21 16:31:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_reset [2022-11-21 16:31:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-21 16:31:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-21 16:31:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-21 16:31:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-21 16:31:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_link_speed_update [2022-11-21 16:31:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_link_speed_update [2022-11-21 16:31:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_xmit [2022-11-21 16:31:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_xmit [2022-11-21 16:31:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_logoff [2022-11-21 16:31:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_logoff [2022-11-21 16:31:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:31:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_get [2022-11-21 16:31:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_get [2022-11-21 16:31:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 16:31:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 16:31:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_remove [2022-11-21 16:31:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_remove [2022-11-21 16:31:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_alloc [2022-11-21 16:31:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_alloc [2022-11-21 16:31:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure is_fip_mode [2022-11-21 16:31:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure is_fip_mode [2022-11-21 16:31:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_check_wait_queue [2022-11-21 16:31:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_check_wait_queue [2022-11-21 16:31:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-21 16:31:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-21 16:31:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure fc_fabric_login [2022-11-21 16:31:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_fabric_login [2022-11-21 16:31:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:31:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2022-11-21 16:31:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2022-11-21 16:31:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_target [2022-11-21 16:31:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_target [2022-11-21 16:31:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_rport_loss_tmo [2022-11-21 16:31:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_rport_loss_tmo [2022-11-21 16:31:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:31:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ddp_setup [2022-11-21 16:31:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ddp_setup [2022-11-21 16:31:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:31:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:31:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:31:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_wwn_from_mac [2022-11-21 16:31:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_wwn_from_mac [2022-11-21 16:31:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-21 16:31:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-21 16:31:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-21 16:31:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-21 16:31:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure fc_attach_transport [2022-11-21 16:31:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_attach_transport [2022-11-21 16:31:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_hostlist_lookup_port [2022-11-21 16:31:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_hostlist_lookup_port [2022-11-21 16:31:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_getapp [2022-11-21 16:31:38,280 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_getapp [2022-11-21 16:31:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure fc_rport_terminate_io [2022-11-21 16:31:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_rport_terminate_io [2022-11-21 16:31:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-21 16:31:38,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-21 16:31:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure _fcoe_create [2022-11-21 16:31:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure _fcoe_create [2022-11-21 16:31:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure fc_exch_mgr_free [2022-11-21 16:31:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_exch_mgr_free [2022-11-21 16:31:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-21 16:31:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-21 16:31:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-21 16:31:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-21 16:31:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:31:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure dcb_ieee_getapp_mask [2022-11-21 16:31:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure dcb_ieee_getapp_mask [2022-11-21 16:31:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:31:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_mfs [2022-11-21 16:31:38,290 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_mfs [2022-11-21 16:31:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:31:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 16:31:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-21 16:31:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-21 16:31:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:31:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 16:31:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_up [2022-11-21 16:31:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_up [2022-11-21 16:31:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure lport_priv [2022-11-21 16:31:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure lport_priv [2022-11-21 16:31:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_netdev_features_change [2022-11-21 16:31:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_netdev_features_change [2022-11-21 16:31:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_disable [2022-11-21 16:31:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_disable [2022-11-21 16:31:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 16:31:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 16:31:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure fc_vport_set_state [2022-11-21 16:31:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_vport_set_state [2022-11-21 16:31:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_clean_pending_queue [2022-11-21 16:31:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_clean_pending_queue [2022-11-21 16:31:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_net [2022-11-21 16:31:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_net [2022-11-21 16:31:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_enabled [2022-11-21 16:31:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_enabled [2022-11-21 16:31:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_link_down [2022-11-21 16:31:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_link_down [2022-11-21 16:31:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2022-11-21 16:31:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2022-11-21 16:31:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-21 16:31:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-21 16:31:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:31:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:31:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure eth_hdr [2022-11-21 16:31:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_hdr [2022-11-21 16:31:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-21 16:31:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-21 16:31:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-21 16:31:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-21 16:31:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure fc_frame_payload_op [2022-11-21 16:31:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_frame_payload_op [2022-11-21 16:31:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_get_lesb [2022-11-21 16:31:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_get_lesb [2022-11-21 16:31:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:31:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:31:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 16:31:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 16:31:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure fc_elsct_send [2022-11-21 16:31:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_elsct_send [2022-11-21 16:31:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_vlan_id [2022-11-21 16:31:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_vlan_id [2022-11-21 16:31:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure fc_queuecommand [2022-11-21 16:31:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_queuecommand [2022-11-21 16:31:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-21 16:31:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-21 16:31:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-21 16:31:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-21 16:31:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 16:31:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-21 16:31:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-21 16:31:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_17 [2022-11-21 16:31:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_17 [2022-11-21 16:31:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-21 16:31:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-21 16:31:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_speed [2022-11-21 16:31:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_speed [2022-11-21 16:31:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2022-11-21 16:31:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2022-11-21 16:31:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_create [2022-11-21 16:31:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_create [2022-11-21 16:31:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:31:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:31:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:31:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:31:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_destroy [2022-11-21 16:31:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_destroy [2022-11-21 16:31:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 16:31:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 16:31:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 16:31:38,310 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 16:31:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_priv [2022-11-21 16:31:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_priv [2022-11-21 16:31:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_del [2022-11-21 16:31:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_del [2022-11-21 16:31:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy [2022-11-21 16:31:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy [2022-11-21 16:31:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-21 16:31:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-21 16:31:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-21 16:31:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-21 16:31:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_device_reset [2022-11-21 16:31:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_device_reset [2022-11-21 16:31:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:31:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 16:31:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 16:31:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwpn [2022-11-21 16:31:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwpn [2022-11-21 16:31:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:31:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-11-21 16:31:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-11-21 16:31:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-11-21 16:31:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-11-21 16:31:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_percpu_thread_destroy [2022-11-21 16:31:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_percpu_thread_destroy [2022-11-21 16:31:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-21 16:31:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-21 16:31:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-21 16:31:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-21 16:31:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_cleanup [2022-11-21 16:31:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_cleanup [2022-11-21 16:31:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:31:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-11-21 16:31:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-11-21 16:31:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-21 16:31:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-21 16:31:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure dev_add_pack [2022-11-21 16:31:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_add_pack [2022-11-21 16:31:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure fc_set_wwnn [2022-11-21 16:31:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_set_wwnn [2022-11-21 16:31:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-21 16:31:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-21 16:31:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 16:31:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 16:31:38,321 INFO L130 BoogieDeclarations]: Found specification of procedure fc_get_host_stats [2022-11-21 16:31:38,321 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_get_host_stats [2022-11-21 16:31:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_enable [2022-11-21 16:31:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_enable [2022-11-21 16:31:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure ntoh24 [2022-11-21 16:31:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ntoh24 [2022-11-21 16:31:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure dev_uc_add [2022-11-21 16:31:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_uc_add [2022-11-21 16:31:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-21 16:31:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-21 16:31:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-11-21 16:31:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~TO~int [2022-11-21 16:31:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_destroy [2022-11-21 16:31:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_destroy [2022-11-21 16:31:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-21 16:31:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-21 16:31:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_interface_setup [2022-11-21 16:31:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_interface_setup [2022-11-21 16:31:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_2 [2022-11-21 16:31:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_2 [2022-11-21 16:31:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:31:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_if_create [2022-11-21 16:31:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_if_create [2022-11-21 16:31:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_ctlr_device_delete [2022-11-21 16:31:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_ctlr_device_delete [2022-11-21 16:31:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:31:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:31:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_add [2022-11-21 16:31:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_add [2022-11-21 16:31:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-21 16:31:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-21 16:31:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-21 16:31:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-21 16:31:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-21 16:31:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-21 16:31:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-11-21 16:31:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-11-21 16:31:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_port_send [2022-11-21 16:31:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_port_send [2022-11-21 16:31:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure fc_eh_host_reset [2022-11-21 16:31:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_eh_host_reset [2022-11-21 16:31:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_destroy_work [2022-11-21 16:31:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_destroy_work [2022-11-21 16:31:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-21 16:31:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-21 16:31:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-11-21 16:31:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-11-21 16:31:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-11-21 16:31:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-11-21 16:31:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure fc_slave_alloc [2022-11-21 16:31:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fc_slave_alloc [2022-11-21 16:31:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-11-21 16:31:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-11-21 16:31:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure fcoe_elsct_send [2022-11-21 16:31:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure fcoe_elsct_send [2022-11-21 16:31:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_dev_real_dev [2022-11-21 16:31:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_dev_real_dev [2022-11-21 16:31:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2022-11-21 16:31:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2022-11-21 16:31:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-11-21 16:31:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-11-21 16:31:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure dev_mc_del [2022-11-21 16:31:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_mc_del [2022-11-21 16:31:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_remove_pack [2022-11-21 16:31:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_remove_pack [2022-11-21 16:31:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:31:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-11-21 16:31:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-11-21 16:31:39,699 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:31:39,703 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:31:40,416 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 16:31:45,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:31:45,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:31:45,044 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-21 16:31:45,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:31:45 BoogieIcfgContainer [2022-11-21 16:31:45,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:31:45,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:31:45,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:31:45,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:31:45,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:31:32" (1/3) ... [2022-11-21 16:31:45,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652d6940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:31:45, skipping insertion in model container [2022-11-21 16:31:45,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:37" (2/3) ... [2022-11-21 16:31:45,060 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652d6940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:31:45, skipping insertion in model container [2022-11-21 16:31:45,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:31:45" (3/3) ... [2022-11-21 16:31:45,062 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--scsi--fcoe--fcoe.ko-entry_point.cil.out.i [2022-11-21 16:31:45,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:31:45,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:31:45,191 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:31:45,198 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;@4c1fa23f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:31:45,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:31:45,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2572 states, 1856 states have (on average 1.4110991379310345) internal successors, (2619), 1915 states have internal predecessors, (2619), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) [2022-11-21 16:31:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-21 16:31:45,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:45,248 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:31:45,249 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:45,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:45,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1566611473, now seen corresponding path program 1 times [2022-11-21 16:31:45,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:45,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193722635] [2022-11-21 16:31:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:45,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:31:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:31:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:31:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:31:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:31:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:31:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:31:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:31:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:46,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:31:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:47,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:31:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:31:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:31:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:31:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:31:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 16:31:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 16:31:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 16:31:47,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 16:31:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:31:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-21 16:31:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 16:31:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 16:31:47,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-21 16:31:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 16:31:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 16:31:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:31:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 16:31:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:31:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-21 16:31:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 16:31:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:47,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-11-21 16:31:48,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:48,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193722635] [2022-11-21 16:31:48,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193722635] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:48,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:48,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:31:48,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682299296] [2022-11-21 16:31:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:48,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:31:48,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:48,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:31:48,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:31:48,105 INFO L87 Difference]: Start difference. First operand has 2572 states, 1856 states have (on average 1.4110991379310345) internal successors, (2619), 1915 states have internal predecessors, (2619), 567 states have call successors, (567), 148 states have call predecessors, (567), 147 states have return successors, (554), 544 states have call predecessors, (554), 554 states have call successors, (554) Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-21 16:31:54,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:31:54,898 INFO L93 Difference]: Finished difference Result 5419 states and 8090 transitions. [2022-11-21 16:31:54,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:31:54,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 413 [2022-11-21 16:31:54,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:31:54,999 INFO L225 Difference]: With dead ends: 5419 [2022-11-21 16:31:55,000 INFO L226 Difference]: Without dead ends: 2832 [2022-11-21 16:31:55,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:31:55,026 INFO L413 NwaCegarLoop]: 2775 mSDtfsCounter, 2951 mSDsluCounter, 1724 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 2426 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2992 SdHoareTripleChecker+Valid, 4499 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2426 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:31:55,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2992 Valid, 4499 Invalid, 4187 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2426 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-21 16:31:55,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2832 states. [2022-11-21 16:31:55,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2832 to 2552. [2022-11-21 16:31:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2552 states, 1851 states have (on average 1.4035656401944894) internal successors, (2598), 1895 states have internal predecessors, (2598), 554 states have call successors, (554), 147 states have call predecessors, (554), 146 states have return successors, (552), 542 states have call predecessors, (552), 552 states have call successors, (552) [2022-11-21 16:31:55,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2552 states and 3704 transitions. [2022-11-21 16:31:55,298 INFO L78 Accepts]: Start accepts. Automaton has 2552 states and 3704 transitions. Word has length 413 [2022-11-21 16:31:55,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:31:55,300 INFO L495 AbstractCegarLoop]: Abstraction has 2552 states and 3704 transitions. [2022-11-21 16:31:55,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 2 states have internal predecessors, (72), 2 states have call successors, (34), 5 states have call predecessors, (34), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-21 16:31:55,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 3704 transitions. [2022-11-21 16:31:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-11-21 16:31:55,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:31:55,314 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:31:55,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:31:55,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:31:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:31:55,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1303127399, now seen corresponding path program 1 times [2022-11-21 16:31:55,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:31:55,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474589909] [2022-11-21 16:31:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:31:55,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:31:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:31:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:31:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:31:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:31:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:31:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:31:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:31:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:31:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:31:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:31:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:31:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:31:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:31:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:31:56,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:31:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 16:31:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 16:31:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 16:31:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 16:31:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:31:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-21 16:31:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 16:31:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 16:31:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-21 16:31:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 16:31:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 16:31:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:31:57,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 16:31:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:31:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-21 16:31:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 16:31:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:31:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:31:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-11-21 16:31:57,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:31:57,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474589909] [2022-11-21 16:31:57,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474589909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:31:57,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:31:57,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 16:31:57,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255477030] [2022-11-21 16:31:57,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:31:57,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:31:57,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:31:57,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:31:57,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:31:57,718 INFO L87 Difference]: Start difference. First operand 2552 states and 3704 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-21 16:32:14,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:14,978 INFO L93 Difference]: Finished difference Result 8071 states and 11981 transitions. [2022-11-21 16:32:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:32:14,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 413 [2022-11-21 16:32:14,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:15,092 INFO L225 Difference]: With dead ends: 8071 [2022-11-21 16:32:15,092 INFO L226 Difference]: Without dead ends: 5577 [2022-11-21 16:32:15,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 143 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 16:32:15,107 INFO L413 NwaCegarLoop]: 3826 mSDtfsCounter, 6723 mSDsluCounter, 8720 mSDsCounter, 0 mSdLazyCounter, 6246 mSolverCounterSat, 3213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7095 SdHoareTripleChecker+Valid, 12546 SdHoareTripleChecker+Invalid, 9459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3213 IncrementalHoareTripleChecker+Valid, 6246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:15,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7095 Valid, 12546 Invalid, 9459 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3213 Valid, 6246 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2022-11-21 16:32:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5577 states. [2022-11-21 16:32:15,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5577 to 5099. [2022-11-21 16:32:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5099 states, 3707 states have (on average 1.4054491502562718) internal successors, (5210), 3796 states have internal predecessors, (5210), 1094 states have call successors, (1094), 291 states have call predecessors, (1094), 297 states have return successors, (1151), 1079 states have call predecessors, (1151), 1092 states have call successors, (1151) [2022-11-21 16:32:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5099 states to 5099 states and 7455 transitions. [2022-11-21 16:32:15,473 INFO L78 Accepts]: Start accepts. Automaton has 5099 states and 7455 transitions. Word has length 413 [2022-11-21 16:32:15,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:15,478 INFO L495 AbstractCegarLoop]: Abstraction has 5099 states and 7455 transitions. [2022-11-21 16:32:15,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-21 16:32:15,478 INFO L276 IsEmpty]: Start isEmpty. Operand 5099 states and 7455 transitions. [2022-11-21 16:32:15,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2022-11-21 16:32:15,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:15,501 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:32:15,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:32:15,501 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:15,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:15,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1954561645, now seen corresponding path program 1 times [2022-11-21 16:32:15,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:15,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232252935] [2022-11-21 16:32:15,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:15,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:32:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:32:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:32:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:32:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:32:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:32:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:32:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:32:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:32:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:32:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:32:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:32:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:32:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:32:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 16:32:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 16:32:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 16:32:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 16:32:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:32:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:16,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-21 16:32:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 16:32:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 16:32:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-21 16:32:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 16:32:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 16:32:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:32:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 16:32:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:32:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-21 16:32:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 16:32:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-21 16:32:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-21 16:32:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-21 16:32:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-21 16:32:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-11-21 16:32:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-11-21 16:32:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:17,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2309 trivial. 0 not checked. [2022-11-21 16:32:17,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:17,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232252935] [2022-11-21 16:32:17,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232252935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:17,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:17,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 16:32:17,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100842396] [2022-11-21 16:32:17,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:17,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 16:32:17,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:17,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 16:32:17,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:32:17,426 INFO L87 Difference]: Start difference. First operand 5099 states and 7455 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-21 16:32:34,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:34,900 INFO L93 Difference]: Finished difference Result 16932 states and 25347 transitions. [2022-11-21 16:32:34,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 16:32:34,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 456 [2022-11-21 16:32:34,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:34,994 INFO L225 Difference]: With dead ends: 16932 [2022-11-21 16:32:34,995 INFO L226 Difference]: Without dead ends: 11903 [2022-11-21 16:32:35,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-21 16:32:35,023 INFO L413 NwaCegarLoop]: 2958 mSDtfsCounter, 8044 mSDsluCounter, 8663 mSDsCounter, 0 mSdLazyCounter, 7794 mSolverCounterSat, 3815 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8532 SdHoareTripleChecker+Valid, 11621 SdHoareTripleChecker+Invalid, 11609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3815 IncrementalHoareTripleChecker+Valid, 7794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:35,024 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8532 Valid, 11621 Invalid, 11609 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3815 Valid, 7794 Invalid, 0 Unknown, 0 Unchecked, 16.5s Time] [2022-11-21 16:32:35,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11903 states. [2022-11-21 16:32:35,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11903 to 10309. [2022-11-21 16:32:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10309 states, 7491 states have (on average 1.4028834601521827) internal successors, (10509), 7677 states have internal predecessors, (10509), 2199 states have call successors, (2199), 579 states have call predecessors, (2199), 618 states have return successors, (2515), 2200 states have call predecessors, (2515), 2197 states have call successors, (2515) [2022-11-21 16:32:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10309 states to 10309 states and 15223 transitions. [2022-11-21 16:32:35,808 INFO L78 Accepts]: Start accepts. Automaton has 10309 states and 15223 transitions. Word has length 456 [2022-11-21 16:32:35,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:35,813 INFO L495 AbstractCegarLoop]: Abstraction has 10309 states and 15223 transitions. [2022-11-21 16:32:35,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-21 16:32:35,814 INFO L276 IsEmpty]: Start isEmpty. Operand 10309 states and 15223 transitions. [2022-11-21 16:32:35,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2022-11-21 16:32:35,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:35,837 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:32:35,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:32:35,838 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:35,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:35,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1712535239, now seen corresponding path program 1 times [2022-11-21 16:32:35,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:35,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113882182] [2022-11-21 16:32:35,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:35,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:32:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:32:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:32:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:32:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:32:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:32:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:32:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:32:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:32:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:32:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:32:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:32:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:32:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:32:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 16:32:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:37,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 16:32:37,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 16:32:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 16:32:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:32:38,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-21 16:32:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 16:32:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 16:32:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-21 16:32:38,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 16:32:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 16:32:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:32:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 16:32:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:32:38,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-21 16:32:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 16:32:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-21 16:32:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-21 16:32:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-21 16:32:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-21 16:32:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 16:32:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-11-21 16:32:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-11-21 16:32:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:32:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:32:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:32:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 16:32:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:32:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:32:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 16:32:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:32:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-11-21 16:32:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-11-21 16:32:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2022-11-21 16:32:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2022-11-21 16:32:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2022-11-21 16:32:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 2319 trivial. 0 not checked. [2022-11-21 16:32:38,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:38,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113882182] [2022-11-21 16:32:38,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113882182] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 16:32:38,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784359678] [2022-11-21 16:32:38,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:38,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:32:38,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:32:38,943 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 16:32:38,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 16:32:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:40,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 6128 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:32:40,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:32:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 2332 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2332 trivial. 0 not checked. [2022-11-21 16:32:40,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:32:40,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784359678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:40,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 16:32:40,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-21 16:32:40,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97799999] [2022-11-21 16:32:40,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:40,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:32:40,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:40,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:32:40,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:32:40,986 INFO L87 Difference]: Start difference. First operand 10309 states and 15223 transitions. Second operand has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2022-11-21 16:32:41,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:32:41,405 INFO L93 Difference]: Finished difference Result 20380 states and 30418 transitions. [2022-11-21 16:32:41,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:32:41,406 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) Word has length 568 [2022-11-21 16:32:41,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:32:41,468 INFO L225 Difference]: With dead ends: 20380 [2022-11-21 16:32:41,469 INFO L226 Difference]: Without dead ends: 10141 [2022-11-21 16:32:41,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 754 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:32:41,518 INFO L413 NwaCegarLoop]: 3617 mSDtfsCounter, 0 mSDsluCounter, 3611 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7228 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:32:41,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7228 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 16:32:41,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10141 states. [2022-11-21 16:32:42,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10141 to 10141. [2022-11-21 16:32:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10141 states, 7323 states have (on average 1.3891847603441212) internal successors, (10173), 7509 states have internal predecessors, (10173), 2199 states have call successors, (2199), 579 states have call predecessors, (2199), 618 states have return successors, (2515), 2200 states have call predecessors, (2515), 2197 states have call successors, (2515) [2022-11-21 16:32:42,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10141 states to 10141 states and 14887 transitions. [2022-11-21 16:32:42,131 INFO L78 Accepts]: Start accepts. Automaton has 10141 states and 14887 transitions. Word has length 568 [2022-11-21 16:32:42,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:32:42,132 INFO L495 AbstractCegarLoop]: Abstraction has 10141 states and 14887 transitions. [2022-11-21 16:32:42,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.333333333333336) internal successors, (160), 3 states have internal predecessors, (160), 2 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (54), 2 states have call predecessors, (54), 1 states have call successors, (54) [2022-11-21 16:32:42,133 INFO L276 IsEmpty]: Start isEmpty. Operand 10141 states and 14887 transitions. [2022-11-21 16:32:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2022-11-21 16:32:42,152 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:32:42,153 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:32:42,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:32:42,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa933532-c4c5-4c5d-b1c6-44975d3639e0/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 16:32:42,368 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:32:42,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:32:42,368 INFO L85 PathProgramCache]: Analyzing trace with hash -597377572, now seen corresponding path program 1 times [2022-11-21 16:32:42,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:32:42,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654668547] [2022-11-21 16:32:42,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:32:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:32:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:43,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:32:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:32:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:43,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:32:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:32:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:32:44,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:32:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:32:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:32:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:32:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:32:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:32:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:32:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:32:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:32:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 16:32:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 16:32:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 16:32:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 16:32:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:32:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-21 16:32:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 16:32:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 16:32:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-21 16:32:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:44,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 16:32:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 16:32:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:32:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 16:32:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:32:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-21 16:32:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 16:32:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-21 16:32:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-11-21 16:32:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 16:32:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-21 16:32:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-21 16:32:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:45,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:32:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:32:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:32:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 16:32:46,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 16:32:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-21 16:32:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:32:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 16:32:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-21 16:32:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-21 16:32:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-11-21 16:32:46,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-21 16:32:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-11-21 16:32:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-11-21 16:32:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-11-21 16:32:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:32:46,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-11-21 16:32:46,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:32:46,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654668547] [2022-11-21 16:32:46,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654668547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:32:46,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:32:46,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:32:46,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434395363] [2022-11-21 16:32:46,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:32:46,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:32:46,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:32:46,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:32:46,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:32:46,261 INFO L87 Difference]: Start difference. First operand 10141 states and 14887 transitions. Second operand has 10 states, 10 states have (on average 15.4) internal successors, (154), 6 states have internal predecessors, (154), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-11-21 16:33:35,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:33:35,223 INFO L93 Difference]: Finished difference Result 47892 states and 77837 transitions. [2022-11-21 16:33:35,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 16:33:35,224 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 6 states have internal predecessors, (154), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 542 [2022-11-21 16:33:35,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:33:35,523 INFO L225 Difference]: With dead ends: 47892 [2022-11-21 16:33:35,523 INFO L226 Difference]: Without dead ends: 37821 [2022-11-21 16:33:35,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2022-11-21 16:33:35,610 INFO L413 NwaCegarLoop]: 4013 mSDtfsCounter, 19332 mSDsluCounter, 11313 mSDsCounter, 0 mSdLazyCounter, 17809 mSolverCounterSat, 13133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20082 SdHoareTripleChecker+Valid, 15326 SdHoareTripleChecker+Invalid, 30942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13133 IncrementalHoareTripleChecker+Valid, 17809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:33:35,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20082 Valid, 15326 Invalid, 30942 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13133 Valid, 17809 Invalid, 0 Unknown, 0 Unchecked, 44.0s Time] [2022-11-21 16:33:35,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37821 states. [2022-11-21 16:33:39,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37821 to 33599. [2022-11-21 16:33:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33599 states, 23897 states have (on average 1.3618864292589028) internal successors, (32545), 24429 states have internal predecessors, (32545), 7625 states have call successors, (7625), 1631 states have call predecessors, (7625), 2076 states have return successors, (11684), 8032 states have call predecessors, (11684), 7623 states have call successors, (11684) [2022-11-21 16:33:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33599 states to 33599 states and 51854 transitions. [2022-11-21 16:33:39,977 INFO L78 Accepts]: Start accepts. Automaton has 33599 states and 51854 transitions. Word has length 542 [2022-11-21 16:33:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:33:39,978 INFO L495 AbstractCegarLoop]: Abstraction has 33599 states and 51854 transitions. [2022-11-21 16:33:39,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.4) internal successors, (154), 6 states have internal predecessors, (154), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-11-21 16:33:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 33599 states and 51854 transitions. [2022-11-21 16:33:39,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-11-21 16:33:39,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:33:39,991 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:33:39,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:33:39,991 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:33:39,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:33:39,992 INFO L85 PathProgramCache]: Analyzing trace with hash 826404454, now seen corresponding path program 1 times [2022-11-21 16:33:39,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:33:39,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913506972] [2022-11-21 16:33:39,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:33:39,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:33:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 16:33:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 16:33:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-21 16:33:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 16:33:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-21 16:33:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 16:33:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-21 16:33:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-21 16:33:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 16:33:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 16:33:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 16:33:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-21 16:33:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 16:33:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-11-21 16:33:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-21 16:33:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-11-21 16:33:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:41,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-21 16:33:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-21 16:33:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-21 16:33:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-21 16:33:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-11-21 16:33:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-11-21 16:33:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-11-21 16:33:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-21 16:33:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-11-21 16:33:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-21 16:33:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-11-21 16:33:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-21 16:33:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-21 16:33:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-11-21 16:33:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-11-21 16:33:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-21 16:33:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 16:33:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-11-21 16:33:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:42,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-11-21 16:33:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 16:33:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 16:33:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 16:33:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-21 16:33:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-21 16:33:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:33:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-21 16:33:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-21 16:33:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-21 16:33:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-21 16:33:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-11-21 16:33:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-11-21 16:33:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-11-21 16:33:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-11-21 16:33:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-11-21 16:33:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:33:43,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2313 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2313 trivial. 0 not checked. [2022-11-21 16:33:43,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:33:43,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913506972] [2022-11-21 16:33:43,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913506972] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:33:43,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:33:43,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-21 16:33:43,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837848176] [2022-11-21 16:33:43,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:33:43,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 16:33:43,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:33:43,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 16:33:43,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2022-11-21 16:33:43,449 INFO L87 Difference]: Start difference. First operand 33599 states and 51854 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) [2022-11-21 16:34:46,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:34:46,897 INFO L93 Difference]: Finished difference Result 173856 states and 353590 transitions. [2022-11-21 16:34:46,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-21 16:34:46,899 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 6 states have internal predecessors, (156), 5 states have call successors, (58), 7 states have call predecessors, (58), 4 states have return successors, (54), 6 states have call predecessors, (54), 5 states have call successors, (54) Word has length 544 [2022-11-21 16:34:46,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:34:49,216 INFO L225 Difference]: With dead ends: 173856 [2022-11-21 16:34:49,216 INFO L226 Difference]: Without dead ends: 140327 [2022-11-21 16:34:50,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=156, Invalid=396, Unknown=0, NotChecked=0, Total=552 [2022-11-21 16:34:50,049 INFO L413 NwaCegarLoop]: 3996 mSDtfsCounter, 12402 mSDsluCounter, 15110 mSDsCounter, 0 mSdLazyCounter, 21648 mSolverCounterSat, 7813 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13147 SdHoareTripleChecker+Valid, 19106 SdHoareTripleChecker+Invalid, 29461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 7813 IncrementalHoareTripleChecker+Valid, 21648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.4s IncrementalHoareTripleChecker+Time [2022-11-21 16:34:50,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13147 Valid, 19106 Invalid, 29461 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [7813 Valid, 21648 Invalid, 0 Unknown, 0 Unchecked, 45.4s Time] [2022-11-21 16:34:50,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140327 states.