./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/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_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/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_9b7f095f-32c7-4aa5-b153-4d292b301d13/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 fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf --- 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 13:41:15,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:41:15,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:41:16,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:41:16,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:41:16,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:41:16,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:41:16,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:41:16,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:41:16,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:41:16,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:41:16,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:41:16,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:41:16,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:41:16,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:41:16,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:41:16,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:41:16,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:41:16,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:41:16,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:41:16,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:41:16,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:41:16,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:41:16,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:41:16,074 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:41:16,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:41:16,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:41:16,075 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:41:16,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:41:16,077 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:41:16,077 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:41:16,078 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:41:16,079 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:41:16,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:41:16,080 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:41:16,081 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:41:16,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:41:16,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:41:16,082 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:41:16,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:41:16,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:41:16,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:41:16,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:41:16,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:41:16,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:41:16,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:41:16,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:41:16,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:41:16,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:41:16,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:41:16,132 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:41:16,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:41:16,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:41:16,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:41:16,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:41:16,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:41:16,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:41:16,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:41:16,135 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:41:16,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:41:16,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:41:16,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:41:16,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:41:16,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:41:16,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:41:16,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:41:16,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:41:16,138 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:41:16,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:41:16,138 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:41:16,139 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:41:16,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:41:16,140 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_9b7f095f-32c7-4aa5-b153-4d292b301d13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd0809ab472c07ecac4481f79234cefe77a263df35fd70312ac385669cfbdfaf [2022-11-21 13:41:16,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:41:16,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:41:16,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:41:16,507 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:41:16,507 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:41:16,509 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-21 13:41:19,755 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:41:20,456 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:41:20,457 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-21 13:41:20,528 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/data/f19be70b4/a47a5b680e4d4514989d1686201139b8/FLAG530c17fcd [2022-11-21 13:41:20,551 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/data/f19be70b4/a47a5b680e4d4514989d1686201139b8 [2022-11-21 13:41:20,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:41:20,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:41:20,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:41:20,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:41:20,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:41:20,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:41:20" (1/1) ... [2022-11-21 13:41:20,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b97daec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:20, skipping insertion in model container [2022-11-21 13:41:20,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:41:20" (1/1) ... [2022-11-21 13:41:20,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:41:20,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:41:22,116 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_9b7f095f-32c7-4aa5-b153-4d292b301d13/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-21 13:41:23,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:41:23,894 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:41:24,018 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_9b7f095f-32c7-4aa5-b153-4d292b301d13/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i[177976,177989] [2022-11-21 13:41:24,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:41:24,863 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:41:24,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24 WrapperNode [2022-11-21 13:41:24,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:41:24,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:41:24,867 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:41:24,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:41:24,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:24,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,155 INFO L138 Inliner]: procedures = 449, calls = 2528, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 6372 [2022-11-21 13:41:25,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:41:25,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:41:25,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:41:25,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:41:25,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,238 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:41:25,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:41:25,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:41:25,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:41:25,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (1/1) ... [2022-11-21 13:41:25,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:41:25,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:41:25,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:41:25,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:41:25,763 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-21 13:41:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-21 13:41:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-21 13:41:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-21 13:41:25,764 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-21 13:41:25,764 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-21 13:41:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-21 13:41:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-21 13:41:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-21 13:41:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-21 13:41:25,765 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-21 13:41:25,765 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-21 13:41:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-21 13:41:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-21 13:41:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 13:41:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 13:41:25,766 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-21 13:41:25,766 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-21 13:41:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-21 13:41:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-21 13:41:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-21 13:41:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-21 13:41:25,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-21 13:41:25,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-21 13:41:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-21 13:41:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-21 13:41:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-21 13:41:25,768 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-21 13:41:25,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-21 13:41:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-21 13:41:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-21 13:41:25,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-21 13:41:25,769 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-21 13:41:25,770 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-21 13:41:25,770 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-21 13:41:25,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-21 13:41:25,771 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-21 13:41:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-21 13:41:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-21 13:41:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-21 13:41:25,772 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-21 13:41:25,772 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-21 13:41:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-21 13:41:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-21 13:41:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-21 13:41:25,773 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-21 13:41:25,773 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-21 13:41:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-21 13:41:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-21 13:41:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-21 13:41:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-21 13:41:25,774 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-21 13:41:25,774 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-21 13:41:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-21 13:41:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-21 13:41:25,775 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-21 13:41:25,775 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_tx_queues [2022-11-21 13:41:25,776 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_tx_queues [2022-11-21 13:41:25,776 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-21 13:41:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-21 13:41:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-21 13:41:25,777 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-21 13:41:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:41:25,777 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-21 13:41:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-21 13:41:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_kill_vid [2022-11-21 13:41:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_kill_vid [2022-11-21 13:41:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-21 13:41:25,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-21 13:41:25,778 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-21 13:41:25,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-21 13:41:25,779 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-21 13:41:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-21 13:41:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 13:41:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 13:41:25,780 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_trylock [2022-11-21 13:41:25,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_trylock [2022-11-21 13:41:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 13:41:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 13:41:25,781 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-21 13:41:25,781 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-21 13:41:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-21 13:41:25,782 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-21 13:41:25,782 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_carrier [2022-11-21 13:41:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_carrier [2022-11-21 13:41:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 13:41:25,783 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 13:41:25,783 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-21 13:41:25,784 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-21 13:41:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 13:41:25,784 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-21 13:41:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-21 13:41:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-21 13:41:25,785 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-21 13:41:25,785 INFO L130 BoogieDeclarations]: Found specification of procedure team_fix_features [2022-11-21 13:41:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure team_fix_features [2022-11-21 13:41:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-21 13:41:25,786 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-21 13:41:25,786 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_upper_dev_unlink [2022-11-21 13:41:25,787 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_upper_dev_unlink [2022-11-21 13:41:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 13:41:25,787 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-21 13:41:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-21 13:41:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-21 13:41:25,788 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-21 13:41:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:41:25,788 INFO L130 BoogieDeclarations]: Found specification of procedure team_select_queue [2022-11-21 13:41:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure team_select_queue [2022-11-21 13:41:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-21 13:41:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-21 13:41:25,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 13:41:25,789 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 13:41:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-21 13:41:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-21 13:41:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-21 13:41:25,790 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-21 13:41:25,790 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-21 13:41:25,791 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-21 13:41:25,792 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-21 13:41:25,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-21 13:41:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-21 13:41:25,796 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-21 13:41:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-21 13:41:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-21 13:41:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 13:41:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 13:41:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-21 13:41:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-21 13:41:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-21 13:41:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-21 13:41:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-21 13:41:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-21 13:41:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-21 13:41:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-21 13:41:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-21 13:41:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-21 13:41:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-21 13:41:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-21 13:41:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-21 13:41:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 13:41:25,807 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-21 13:41:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-21 13:41:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:41:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-21 13:41:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-21 13:41:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-21 13:41:25,808 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-21 13:41:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-21 13:41:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-21 13:41:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 13:41:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-21 13:41:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:41:25,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:41:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-21 13:41:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-21 13:41:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:41:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:41:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-21 13:41:25,810 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-21 13:41:25,810 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-21 13:41:25,811 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-21 13:41:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-21 13:41:25,811 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-21 13:41:25,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-21 13:41:25,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-21 13:41:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-21 13:41:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-21 13:41:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mtu [2022-11-21 13:41:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mtu [2022-11-21 13:41:25,812 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 13:41:25,812 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 13:41:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-21 13:41:25,813 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-21 13:41:25,813 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-21 13:41:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-21 13:41:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-21 13:41:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-21 13:41:25,814 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-21 13:41:25,814 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-21 13:41:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-21 13:41:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-21 13:41:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-21 13:41:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-21 13:41:25,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:41:25,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:41:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-21 13:41:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-21 13:41:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-21 13:41:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-21 13:41:25,816 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-21 13:41:25,816 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-21 13:41:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-21 13:41:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-21 13:41:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-21 13:41:25,817 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-21 13:41:25,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 13:41:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 13:41:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 13:41:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 13:41:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-21 13:41:25,818 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-21 13:41:25,818 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-21 13:41:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-21 13:41:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-21 13:41:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-21 13:41:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-21 13:41:25,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-21 13:41:25,819 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-21 13:41:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-21 13:41:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-21 13:41:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-21 13:41:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_stats64 [2022-11-21 13:41:25,820 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_stats64 [2022-11-21 13:41:25,820 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-21 13:41:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-21 13:41:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-21 13:41:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-21 13:41:25,821 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-21 13:41:25,821 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-21 13:41:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-21 13:41:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-21 13:41:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-21 13:41:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-21 13:41:25,822 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-21 13:41:25,822 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-21 13:41:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-21 13:41:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure team_vlan_rx_add_vid [2022-11-21 13:41:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure team_vlan_rx_add_vid [2022-11-21 13:41:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 13:41:25,823 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 13:41:25,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 13:41:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 13:41:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-21 13:41:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-21 13:41:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2022-11-21 13:41:25,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2022-11-21 13:41:25,824 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-21 13:41:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-21 13:41:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 13:41:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 13:41:25,825 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-21 13:41:25,825 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-21 13:41:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 13:41:25,826 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 13:41:25,826 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-21 13:41:25,827 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-21 13:41:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-21 13:41:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-21 13:41:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-21 13:41:25,832 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-21 13:41:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:41:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-21 13:41:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-21 13:41:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-21 13:41:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-21 13:41:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-21 13:41:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-21 13:41:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-21 13:41:25,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-21 13:41:25,837 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-21 13:41:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-21 13:41:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 13:41:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-21 13:41:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-21 13:41:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-21 13:41:25,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-21 13:41:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-21 13:41:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-21 13:41:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-21 13:41:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-21 13:41:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 13:41:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-21 13:41:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-21 13:41:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-21 13:41:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-21 13:41:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-21 13:41:25,840 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-21 13:41:25,840 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 13:41:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 13:41:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 13:41:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 13:41:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-21 13:41:25,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-21 13:41:25,841 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-21 13:41:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-21 13:41:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-21 13:41:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-21 13:41:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-21 13:41:25,842 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-21 13:41:25,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 13:41:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 13:41:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-21 13:41:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-21 13:41:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-21 13:41:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-21 13:41:25,843 INFO L130 BoogieDeclarations]: Found specification of procedure team_get_num_rx_queues [2022-11-21 13:41:25,843 INFO L138 BoogieDeclarations]: Found implementation of procedure team_get_num_rx_queues [2022-11-21 13:41:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-21 13:41:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-21 13:41:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-21 13:41:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-21 13:41:25,844 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-21 13:41:25,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-21 13:41:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-21 13:41:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-21 13:41:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-21 13:41:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-21 13:41:25,845 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-21 13:41:25,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-21 13:41:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-21 13:41:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-21 13:41:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-21 13:41:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-21 13:41:25,846 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-21 13:41:25,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-21 13:41:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-21 13:41:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-21 13:41:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 13:41:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 13:41:25,847 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-21 13:41:25,847 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-21 13:41:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:41:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-21 13:41:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-21 13:41:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-21 13:41:25,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-21 13:41:25,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 13:41:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 13:41:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-21 13:41:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-21 13:41:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-21 13:41:25,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-21 13:41:25,849 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-21 13:41:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-21 13:41:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-21 13:41:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-21 13:41:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-21 13:41:25,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-21 13:41:25,850 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-21 13:41:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-21 13:41:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-21 13:41:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-21 13:41:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-21 13:41:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-21 13:41:25,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-21 13:41:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-21 13:41:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-21 13:41:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-21 13:41:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-21 13:41:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-21 13:41:25,852 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-21 13:41:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-21 13:41:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_rx_flags [2022-11-21 13:41:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_rx_flags [2022-11-21 13:41:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-21 13:41:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-21 13:41:25,853 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-21 13:41:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-21 13:41:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-21 13:41:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-21 13:41:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-21 13:41:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-21 13:41:25,854 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-21 13:41:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-21 13:41:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-21 13:41:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-21 13:41:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 13:41:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 13:41:25,855 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-21 13:41:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-21 13:41:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 13:41:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 13:41:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-21 13:41:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-21 13:41:25,856 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-21 13:41:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-21 13:41:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-21 13:41:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-21 13:41:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-21 13:41:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-21 13:41:25,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:41:25,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 13:41:25,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-21 13:41:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-21 13:41:25,859 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-21 13:41:25,859 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-21 13:41:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-21 13:41:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-21 13:41:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-21 13:41:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-21 13:41:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-21 13:41:25,860 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-21 13:41:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-21 13:41:25,861 INFO L130 BoogieDeclarations]: Found specification of procedure team_newlink [2022-11-21 13:41:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure team_newlink [2022-11-21 13:41:27,114 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:41:27,121 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:41:27,465 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 13:41:32,664 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 13:41:32,687 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 13:41:32,688 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 13:41:32,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:41:32 BoogieIcfgContainer [2022-11-21 13:41:32,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 13:41:32,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 13:41:32,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 13:41:32,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 13:41:32,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:41:20" (1/3) ... [2022-11-21 13:41:32,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5b2d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:41:32, skipping insertion in model container [2022-11-21 13:41:32,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:41:24" (2/3) ... [2022-11-21 13:41:32,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c5b2d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:41:32, skipping insertion in model container [2022-11-21 13:41:32,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:41:32" (3/3) ... [2022-11-21 13:41:32,703 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--team--team.ko-entry_point.cil.out.i [2022-11-21 13:41:32,724 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 13:41:32,724 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 13:41:32,861 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 13:41:32,870 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;@738c0e68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 13:41:32,870 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 13:41:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand has 2811 states, 2010 states have (on average 1.3845771144278607) internal successors, (2783), 2060 states have internal predecessors, (2783), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) [2022-11-21 13:41:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-21 13:41:32,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:41:32,926 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:32,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:41:32,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:41:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash -45666857, now seen corresponding path program 1 times [2022-11-21 13:41:32,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:41:32,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914108772] [2022-11-21 13:41:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:41:32,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:41:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:41:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:41:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:41:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:41:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:41:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:41:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:41:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:41:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:41:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:41:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:41:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:41:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:34,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:41:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:41:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:34,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:41:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-21 13:41:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:34,149 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-21 13:41:34,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:41:34,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914108772] [2022-11-21 13:41:34,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914108772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:41:34,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:41:34,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 13:41:34,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015161331] [2022-11-21 13:41:34,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:41:34,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:41:34,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:41:34,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:41:34,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 13:41:34,221 INFO L87 Difference]: Start difference. First operand has 2811 states, 2010 states have (on average 1.3845771144278607) internal successors, (2783), 2060 states have internal predecessors, (2783), 612 states have call successors, (612), 188 states have call predecessors, (612), 187 states have return successors, (606), 595 states have call predecessors, (606), 606 states have call successors, (606) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 13:41:50,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:41:50,934 INFO L93 Difference]: Finished difference Result 9282 states and 13689 transitions. [2022-11-21 13:41:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 13:41:50,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-11-21 13:41:50,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:41:51,029 INFO L225 Difference]: With dead ends: 9282 [2022-11-21 13:41:51,030 INFO L226 Difference]: Without dead ends: 6446 [2022-11-21 13:41:51,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:41:51,068 INFO L413 NwaCegarLoop]: 3237 mSDtfsCounter, 9173 mSDsluCounter, 5560 mSDsCounter, 0 mSdLazyCounter, 5606 mSolverCounterSat, 4187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9529 SdHoareTripleChecker+Valid, 8797 SdHoareTripleChecker+Invalid, 9793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4187 IncrementalHoareTripleChecker+Valid, 5606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-11-21 13:41:51,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9529 Valid, 8797 Invalid, 9793 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4187 Valid, 5606 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2022-11-21 13:41:51,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6446 states. [2022-11-21 13:41:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6446 to 5516. [2022-11-21 13:41:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5516 states, 3955 states have (on average 1.3780025284450064) internal successors, (5450), 4038 states have internal predecessors, (5450), 1188 states have call successors, (1188), 373 states have call predecessors, (1188), 372 states have return successors, (1187), 1165 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-11-21 13:41:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5516 states to 5516 states and 7825 transitions. [2022-11-21 13:41:51,661 INFO L78 Accepts]: Start accepts. Automaton has 5516 states and 7825 transitions. Word has length 112 [2022-11-21 13:41:51,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:41:51,663 INFO L495 AbstractCegarLoop]: Abstraction has 5516 states and 7825 transitions. [2022-11-21 13:41:51,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-21 13:41:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 5516 states and 7825 transitions. [2022-11-21 13:41:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-21 13:41:51,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:41:51,677 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:41:51,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 13:41:51,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:41:51,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:41:51,679 INFO L85 PathProgramCache]: Analyzing trace with hash 731406195, now seen corresponding path program 1 times [2022-11-21 13:41:51,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:41:51,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238882910] [2022-11-21 13:41:51,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:41:51,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:41:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:41:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:41:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:41:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:41:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:41:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:41:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:41:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:41:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:41:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:41:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:41:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:41:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:41:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:41:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:41:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:41:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-21 13:41:52,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:41:52,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238882910] [2022-11-21 13:41:52,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238882910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:41:52,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:41:52,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 13:41:52,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049818160] [2022-11-21 13:41:52,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:41:52,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 13:41:52,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:41:52,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 13:41:52,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-21 13:41:52,827 INFO L87 Difference]: Start difference. First operand 5516 states and 7825 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 13:42:13,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:42:13,234 INFO L93 Difference]: Finished difference Result 18327 states and 26755 transitions. [2022-11-21 13:42:13,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:42:13,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 111 [2022-11-21 13:42:13,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:42:13,331 INFO L225 Difference]: With dead ends: 18327 [2022-11-21 13:42:13,331 INFO L226 Difference]: Without dead ends: 12828 [2022-11-21 13:42:13,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:42:13,361 INFO L413 NwaCegarLoop]: 3285 mSDtfsCounter, 9185 mSDsluCounter, 11294 mSDsCounter, 0 mSdLazyCounter, 9845 mSolverCounterSat, 4173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9527 SdHoareTripleChecker+Valid, 14579 SdHoareTripleChecker+Invalid, 14018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4173 IncrementalHoareTripleChecker+Valid, 9845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:42:13,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9527 Valid, 14579 Invalid, 14018 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4173 Valid, 9845 Invalid, 0 Unknown, 0 Unchecked, 19.3s Time] [2022-11-21 13:42:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12828 states. [2022-11-21 13:42:13,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12828 to 11300. [2022-11-21 13:42:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11300 states, 8090 states have (on average 1.3762669962917182) internal successors, (11134), 8276 states have internal predecessors, (11134), 2419 states have call successors, (2419), 743 states have call predecessors, (2419), 790 states have return successors, (2673), 2398 states have call predecessors, (2673), 2418 states have call successors, (2673) [2022-11-21 13:42:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11300 states to 11300 states and 16226 transitions. [2022-11-21 13:42:14,021 INFO L78 Accepts]: Start accepts. Automaton has 11300 states and 16226 transitions. Word has length 111 [2022-11-21 13:42:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:42:14,023 INFO L495 AbstractCegarLoop]: Abstraction has 11300 states and 16226 transitions. [2022-11-21 13:42:14,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 5 states have internal predecessors, (44), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-21 13:42:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 11300 states and 16226 transitions. [2022-11-21 13:42:14,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-21 13:42:14,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:42:14,061 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 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] [2022-11-21 13:42:14,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 13:42:14,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:42:14,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:42:14,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1434351150, now seen corresponding path program 1 times [2022-11-21 13:42:14,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:42:14,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817272436] [2022-11-21 13:42:14,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:42:14,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:42:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:42:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:42:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:42:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:42:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:42:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:42:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:42:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:42:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:42:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:42:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:42:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:42:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:42:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:42:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-21 13:42:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-21 13:42:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-11-21 13:42:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:42:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:42:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:42:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:42:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:42:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:42:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:42:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-21 13:42:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2022-11-21 13:42:15,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:42:15,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817272436] [2022-11-21 13:42:15,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817272436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:42:15,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:42:15,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 13:42:15,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450049404] [2022-11-21 13:42:15,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:42:15,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 13:42:15,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:42:15,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 13:42:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 13:42:15,497 INFO L87 Difference]: Start difference. First operand 11300 states and 16226 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 13:42:33,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:42:33,512 INFO L93 Difference]: Finished difference Result 36694 states and 53394 transitions. [2022-11-21 13:42:33,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:42:33,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 236 [2022-11-21 13:42:33,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:42:33,680 INFO L225 Difference]: With dead ends: 36694 [2022-11-21 13:42:33,680 INFO L226 Difference]: Without dead ends: 25426 [2022-11-21 13:42:33,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:42:33,739 INFO L413 NwaCegarLoop]: 3273 mSDtfsCounter, 6702 mSDsluCounter, 6877 mSDsCounter, 0 mSdLazyCounter, 7459 mSolverCounterSat, 2258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7211 SdHoareTripleChecker+Valid, 10150 SdHoareTripleChecker+Invalid, 9717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2258 IncrementalHoareTripleChecker+Valid, 7459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.6s IncrementalHoareTripleChecker+Time [2022-11-21 13:42:33,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7211 Valid, 10150 Invalid, 9717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2258 Valid, 7459 Invalid, 0 Unknown, 0 Unchecked, 16.6s Time] [2022-11-21 13:42:33,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25426 states. [2022-11-21 13:42:35,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25426 to 22702. [2022-11-21 13:42:35,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22702 states, 16266 states have (on average 1.3732939874585024) internal successors, (22338), 16624 states have internal predecessors, (22338), 4787 states have call successors, (4787), 1479 states have call predecessors, (4787), 1648 states have return successors, (5493), 4828 states have call predecessors, (5493), 4786 states have call successors, (5493) [2022-11-21 13:42:35,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22702 states to 22702 states and 32618 transitions. [2022-11-21 13:42:35,574 INFO L78 Accepts]: Start accepts. Automaton has 22702 states and 32618 transitions. Word has length 236 [2022-11-21 13:42:35,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:42:35,575 INFO L495 AbstractCegarLoop]: Abstraction has 22702 states and 32618 transitions. [2022-11-21 13:42:35,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 3 states have internal predecessors, (132), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-21 13:42:35,576 INFO L276 IsEmpty]: Start isEmpty. Operand 22702 states and 32618 transitions. [2022-11-21 13:42:35,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-21 13:42:35,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:42:35,674 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 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] [2022-11-21 13:42:35,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 13:42:35,675 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:42:35,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:42:35,675 INFO L85 PathProgramCache]: Analyzing trace with hash 102036111, now seen corresponding path program 1 times [2022-11-21 13:42:35,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:42:35,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252173162] [2022-11-21 13:42:35,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:42:35,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:42:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:42:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:42:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:42:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:42:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:42:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:42:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:42:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:42:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:42:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:42:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:42:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:42:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:42:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:42:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-11-21 13:42:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:42:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:42:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:42:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:42:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:42:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-21 13:42:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 13:42:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:42:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-21 13:42:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:42:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:42:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:42:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 13:42:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-11-21 13:42:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-21 13:42:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-21 13:42:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:42:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-11-21 13:42:37,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:42:37,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252173162] [2022-11-21 13:42:37,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252173162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:42:37,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:42:37,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 13:42:37,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721199297] [2022-11-21 13:42:37,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:42:37,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 13:42:37,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:42:37,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 13:42:37,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:42:37,120 INFO L87 Difference]: Start difference. First operand 22702 states and 32618 transitions. Second operand has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-21 13:43:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:00,969 INFO L93 Difference]: Finished difference Result 61657 states and 91095 transitions. [2022-11-21 13:43:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 13:43:00,970 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 258 [2022-11-21 13:43:00,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:01,292 INFO L225 Difference]: With dead ends: 61657 [2022-11-21 13:43:01,292 INFO L226 Difference]: Without dead ends: 38987 [2022-11-21 13:43:01,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-11-21 13:43:01,405 INFO L413 NwaCegarLoop]: 4251 mSDtfsCounter, 6610 mSDsluCounter, 14644 mSDsCounter, 0 mSdLazyCounter, 13847 mSolverCounterSat, 3201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7166 SdHoareTripleChecker+Valid, 18895 SdHoareTripleChecker+Invalid, 17048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3201 IncrementalHoareTripleChecker+Valid, 13847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:01,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7166 Valid, 18895 Invalid, 17048 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3201 Valid, 13847 Invalid, 0 Unknown, 0 Unchecked, 21.2s Time] [2022-11-21 13:43:01,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38987 states. [2022-11-21 13:43:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38987 to 32594. [2022-11-21 13:43:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32594 states, 23179 states have (on average 1.35432934984253) internal successors, (31392), 23723 states have internal predecessors, (31392), 6929 states have call successors, (6929), 2212 states have call predecessors, (6929), 2485 states have return successors, (8009), 7004 states have call predecessors, (8009), 6928 states have call successors, (8009) [2022-11-21 13:43:04,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32594 states to 32594 states and 46330 transitions. [2022-11-21 13:43:04,428 INFO L78 Accepts]: Start accepts. Automaton has 32594 states and 46330 transitions. Word has length 258 [2022-11-21 13:43:04,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:04,429 INFO L495 AbstractCegarLoop]: Abstraction has 32594 states and 46330 transitions. [2022-11-21 13:43:04,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.0) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (36), 7 states have call predecessors, (36), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-21 13:43:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32594 states and 46330 transitions. [2022-11-21 13:43:04,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-11-21 13:43:04,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:04,497 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 3, 3, 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] [2022-11-21 13:43:04,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 13:43:04,498 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:04,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:04,499 INFO L85 PathProgramCache]: Analyzing trace with hash -261576388, now seen corresponding path program 1 times [2022-11-21 13:43:04,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:04,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936418013] [2022-11-21 13:43:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:04,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:43:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:43:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:43:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:43:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:43:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:43:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:43:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:43:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:43:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:43:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:43:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:43:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:43:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:43:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:43:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:43:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 13:43:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 13:43:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 13:43:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-21 13:43:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 13:43:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 13:43:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:43:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:43:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:07,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-21 13:43:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:43:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 13:43:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-21 13:43:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-11-21 13:43:07,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:07,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936418013] [2022-11-21 13:43:07,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936418013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:07,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:07,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-21 13:43:07,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13716423] [2022-11-21 13:43:07,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:07,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-21 13:43:07,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:07,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-21 13:43:07,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-21 13:43:07,442 INFO L87 Difference]: Start difference. First operand 32594 states and 46330 transitions. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (42), 5 states have call predecessors, (42), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-21 13:43:24,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:24,833 INFO L93 Difference]: Finished difference Result 69183 states and 100736 transitions. [2022-11-21 13:43:24,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-21 13:43:24,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (42), 5 states have call predecessors, (42), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) Word has length 301 [2022-11-21 13:43:24,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:25,052 INFO L225 Difference]: With dead ends: 69183 [2022-11-21 13:43:25,053 INFO L226 Difference]: Without dead ends: 36625 [2022-11-21 13:43:25,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:43:25,187 INFO L413 NwaCegarLoop]: 2683 mSDtfsCounter, 1482 mSDsluCounter, 11151 mSDsCounter, 0 mSdLazyCounter, 9055 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1680 SdHoareTripleChecker+Valid, 13834 SdHoareTripleChecker+Invalid, 9817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 9055 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:25,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1680 Valid, 13834 Invalid, 9817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [762 Valid, 9055 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2022-11-21 13:43:25,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36625 states. [2022-11-21 13:43:27,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36625 to 32594. [2022-11-21 13:43:27,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32594 states, 23167 states have (on average 1.3534769283895196) internal successors, (31356), 23717 states have internal predecessors, (31356), 6929 states have call successors, (6929), 2212 states have call predecessors, (6929), 2497 states have return successors, (8034), 7010 states have call predecessors, (8034), 6928 states have call successors, (8034) [2022-11-21 13:43:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32594 states to 32594 states and 46319 transitions. [2022-11-21 13:43:27,661 INFO L78 Accepts]: Start accepts. Automaton has 32594 states and 46319 transitions. Word has length 301 [2022-11-21 13:43:27,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:27,662 INFO L495 AbstractCegarLoop]: Abstraction has 32594 states and 46319 transitions. [2022-11-21 13:43:27,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (42), 5 states have call predecessors, (42), 3 states have return successors, (41), 3 states have call predecessors, (41), 2 states have call successors, (41) [2022-11-21 13:43:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32594 states and 46319 transitions. [2022-11-21 13:43:27,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-21 13:43:27,712 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:27,712 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 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] [2022-11-21 13:43:27,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 13:43:27,713 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:27,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:27,713 INFO L85 PathProgramCache]: Analyzing trace with hash -636202291, now seen corresponding path program 1 times [2022-11-21 13:43:27,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:27,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347915122] [2022-11-21 13:43:27,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:27,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:43:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:43:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:43:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:43:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:43:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:43:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:43:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:43:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:43:28,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:43:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:43:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:43:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:43:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:43:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:43:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:43:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 13:43:29,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 13:43:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 13:43:29,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-21 13:43:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:43:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:43:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-11-21 13:43:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-21 13:43:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-11-21 13:43:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-21 13:43:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:30,768 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-11-21 13:43:30,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:30,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347915122] [2022-11-21 13:43:30,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347915122] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:30,769 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:30,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-21 13:43:30,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075717948] [2022-11-21 13:43:30,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:30,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-21 13:43:30,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:30,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-21 13:43:30,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2022-11-21 13:43:30,772 INFO L87 Difference]: Start difference. First operand 32594 states and 46319 transitions. Second operand has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 8 states have internal predecessors, (153), 3 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-21 13:43:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:43:50,807 INFO L93 Difference]: Finished difference Result 69207 states and 100695 transitions. [2022-11-21 13:43:50,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-21 13:43:50,808 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 8 states have internal predecessors, (153), 3 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) Word has length 286 [2022-11-21 13:43:50,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:43:50,994 INFO L225 Difference]: With dead ends: 69207 [2022-11-21 13:43:50,995 INFO L226 Difference]: Without dead ends: 36649 [2022-11-21 13:43:51,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-11-21 13:43:51,160 INFO L413 NwaCegarLoop]: 2719 mSDtfsCounter, 1498 mSDsluCounter, 23384 mSDsCounter, 0 mSdLazyCounter, 17416 mSolverCounterSat, 757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1698 SdHoareTripleChecker+Valid, 26103 SdHoareTripleChecker+Invalid, 18173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 17416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:43:51,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1698 Valid, 26103 Invalid, 18173 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [757 Valid, 17416 Invalid, 0 Unknown, 0 Unchecked, 18.0s Time] [2022-11-21 13:43:51,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36649 states. [2022-11-21 13:43:52,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36649 to 32642. [2022-11-21 13:43:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32642 states, 23203 states have (on average 1.3521527388699737) internal successors, (31374), 23753 states have internal predecessors, (31374), 6935 states have call successors, (6935), 2212 states have call predecessors, (6935), 2503 states have return successors, (8058), 7022 states have call predecessors, (8058), 6934 states have call successors, (8058) [2022-11-21 13:43:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32642 states to 32642 states and 46367 transitions. [2022-11-21 13:43:52,958 INFO L78 Accepts]: Start accepts. Automaton has 32642 states and 46367 transitions. Word has length 286 [2022-11-21 13:43:52,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:43:52,959 INFO L495 AbstractCegarLoop]: Abstraction has 32642 states and 46367 transitions. [2022-11-21 13:43:52,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.76923076923077) internal successors, (153), 8 states have internal predecessors, (153), 3 states have call successors, (39), 5 states have call predecessors, (39), 4 states have return successors, (38), 5 states have call predecessors, (38), 3 states have call successors, (38) [2022-11-21 13:43:52,960 INFO L276 IsEmpty]: Start isEmpty. Operand 32642 states and 46367 transitions. [2022-11-21 13:43:53,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-11-21 13:43:53,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:43:53,012 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 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] [2022-11-21 13:43:53,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 13:43:53,012 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:43:53,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:43:53,013 INFO L85 PathProgramCache]: Analyzing trace with hash 551260901, now seen corresponding path program 1 times [2022-11-21 13:43:53,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:43:53,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734460398] [2022-11-21 13:43:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:43:53,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:43:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:43:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:43:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:43:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:43:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:43:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:43:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:43:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:43:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:43:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:43:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:43:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:43:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:43:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:43:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:43:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:43:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:43:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:43:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 13:43:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 13:43:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 13:43:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-21 13:43:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-21 13:43:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:43:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:43:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:43:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:43:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:43:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:43:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 13:43:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:43:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-21 13:43:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-21 13:43:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:43:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2022-11-21 13:43:57,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:43:57,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734460398] [2022-11-21 13:43:57,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734460398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:43:57,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:43:57,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 13:43:57,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358041163] [2022-11-21 13:43:57,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:43:57,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 13:43:57,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:43:57,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 13:43:57,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:43:57,017 INFO L87 Difference]: Start difference. First operand 32642 states and 46367 transitions. Second operand has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 7 states have internal predecessors, (162), 7 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (41), 6 states have call predecessors, (41), 7 states have call successors, (41) [2022-11-21 13:44:16,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:16,569 INFO L93 Difference]: Finished difference Result 71813 states and 103945 transitions. [2022-11-21 13:44:16,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 13:44:16,571 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 7 states have internal predecessors, (162), 7 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (41), 6 states have call predecessors, (41), 7 states have call successors, (41) Word has length 302 [2022-11-21 13:44:16,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:16,801 INFO L225 Difference]: With dead ends: 71813 [2022-11-21 13:44:16,802 INFO L226 Difference]: Without dead ends: 39207 [2022-11-21 13:44:16,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-11-21 13:44:16,917 INFO L413 NwaCegarLoop]: 2567 mSDtfsCounter, 4305 mSDsluCounter, 15433 mSDsCounter, 0 mSdLazyCounter, 13428 mSolverCounterSat, 2688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4560 SdHoareTripleChecker+Valid, 18000 SdHoareTripleChecker+Invalid, 16116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2688 IncrementalHoareTripleChecker+Valid, 13428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:16,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4560 Valid, 18000 Invalid, 16116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2688 Valid, 13428 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2022-11-21 13:44:16,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39207 states. [2022-11-21 13:44:18,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39207 to 32980. [2022-11-21 13:44:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32980 states, 23441 states have (on average 1.350454332153065) internal successors, (31656), 23993 states have internal predecessors, (31656), 7007 states have call successors, (7007), 2232 states have call predecessors, (7007), 2531 states have return successors, (8192), 7100 states have call predecessors, (8192), 7006 states have call successors, (8192) [2022-11-21 13:44:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32980 states to 32980 states and 46855 transitions. [2022-11-21 13:44:18,665 INFO L78 Accepts]: Start accepts. Automaton has 32980 states and 46855 transitions. Word has length 302 [2022-11-21 13:44:18,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:18,666 INFO L495 AbstractCegarLoop]: Abstraction has 32980 states and 46855 transitions. [2022-11-21 13:44:18,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 7 states have internal predecessors, (162), 7 states have call successors, (42), 6 states have call predecessors, (42), 3 states have return successors, (41), 6 states have call predecessors, (41), 7 states have call successors, (41) [2022-11-21 13:44:18,666 INFO L276 IsEmpty]: Start isEmpty. Operand 32980 states and 46855 transitions. [2022-11-21 13:44:18,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-11-21 13:44:18,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:18,727 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 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, 1, 1] [2022-11-21 13:44:18,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 13:44:18,727 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:18,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:18,728 INFO L85 PathProgramCache]: Analyzing trace with hash -806215889, now seen corresponding path program 1 times [2022-11-21 13:44:18,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:18,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546421420] [2022-11-21 13:44:18,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:18,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:44:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:44:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:44:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:44:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:44:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:44:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:44:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:44:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:44:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:44:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:44:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:44:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:44:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-21 13:44:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:44:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:44:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-21 13:44:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-11-21 13:44:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-21 13:44:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-21 13:44:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-11-21 13:44:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-21 13:44:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:44:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:44:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:44:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 13:44:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:44:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-21 13:44:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-21 13:44:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2022-11-21 13:44:21,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:21,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546421420] [2022-11-21 13:44:21,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546421420] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:44:21,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367358810] [2022-11-21 13:44:21,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:21,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:44:21,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:44:21,285 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:44:21,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 13:44:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:22,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 4052 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 13:44:22,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:44:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2022-11-21 13:44:22,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:44:22,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367358810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:22,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:44:22,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2022-11-21 13:44:22,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638720413] [2022-11-21 13:44:22,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:22,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 13:44:22,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:22,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 13:44:22,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:44:22,982 INFO L87 Difference]: Start difference. First operand 32980 states and 46855 transitions. Second operand has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-21 13:44:24,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:24,481 INFO L93 Difference]: Finished difference Result 66241 states and 94052 transitions. [2022-11-21 13:44:24,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 13:44:24,482 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 314 [2022-11-21 13:44:24,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:24,623 INFO L225 Difference]: With dead ends: 66241 [2022-11-21 13:44:24,623 INFO L226 Difference]: Without dead ends: 33213 [2022-11-21 13:44:24,700 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2022-11-21 13:44:24,701 INFO L413 NwaCegarLoop]: 7646 mSDtfsCounter, 3807 mSDsluCounter, 19135 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3808 SdHoareTripleChecker+Valid, 26781 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:24,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3808 Valid, 26781 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 13:44:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33213 states. [2022-11-21 13:44:25,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33213 to 32919. [2022-11-21 13:44:26,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32919 states, 23408 states have (on average 1.3506066302118933) internal successors, (31615), 23953 states have internal predecessors, (31615), 6993 states have call successors, (6993), 2218 states have call predecessors, (6993), 2517 states have return successors, (8178), 7086 states have call predecessors, (8178), 6992 states have call successors, (8178) [2022-11-21 13:44:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32919 states to 32919 states and 46786 transitions. [2022-11-21 13:44:26,171 INFO L78 Accepts]: Start accepts. Automaton has 32919 states and 46786 transitions. Word has length 314 [2022-11-21 13:44:26,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:26,172 INFO L495 AbstractCegarLoop]: Abstraction has 32919 states and 46786 transitions. [2022-11-21 13:44:26,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.6) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-11-21 13:44:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 32919 states and 46786 transitions. [2022-11-21 13:44:26,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-11-21 13:44:26,421 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:26,426 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 3, 3, 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] [2022-11-21 13:44:26,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 13:44:26,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-21 13:44:26,643 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:26,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:26,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1685477138, now seen corresponding path program 1 times [2022-11-21 13:44:26,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:26,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235582315] [2022-11-21 13:44:26,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:26,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:44:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:44:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:44:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:44:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:44:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:44:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:44:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:44:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:44:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-21 13:44:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-21 13:44:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-21 13:44:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-11-21 13:44:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-11-21 13:44:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-21 13:44:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 13:44:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:44:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-21 13:44:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-21 13:44:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-21 13:44:28,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 13:44:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:28,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:44:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:28,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:44:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:44:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:44:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-11-21 13:44:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-11-21 13:44:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:28,948 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-11-21 13:44:28,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:28,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235582315] [2022-11-21 13:44:28,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235582315] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:44:28,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665995590] [2022-11-21 13:44:28,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:28,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:44:28,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:44:28,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:44:28,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 13:44:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:30,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 4114 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-21 13:44:30,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:44:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-11-21 13:44:30,878 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:44:30,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665995590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:30,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:44:30,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-11-21 13:44:30,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998818044] [2022-11-21 13:44:30,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:30,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 13:44:30,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:30,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 13:44:30,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:44:30,881 INFO L87 Difference]: Start difference. First operand 32919 states and 46786 transitions. Second operand has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-21 13:44:32,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:32,650 INFO L93 Difference]: Finished difference Result 65852 states and 94491 transitions. [2022-11-21 13:44:32,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 13:44:32,651 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 303 [2022-11-21 13:44:32,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:32,825 INFO L225 Difference]: With dead ends: 65852 [2022-11-21 13:44:32,825 INFO L226 Difference]: Without dead ends: 32932 [2022-11-21 13:44:32,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 386 GetRequests, 377 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-21 13:44:32,951 INFO L413 NwaCegarLoop]: 3876 mSDtfsCounter, 2 mSDsluCounter, 7745 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11621 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:32,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11621 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 13:44:32,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32932 states. [2022-11-21 13:44:34,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32932 to 32932. [2022-11-21 13:44:34,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32932 states, 23421 states have (on average 1.3504120233978054) internal successors, (31628), 23966 states have internal predecessors, (31628), 6993 states have call successors, (6993), 2218 states have call predecessors, (6993), 2517 states have return successors, (8178), 7086 states have call predecessors, (8178), 6992 states have call successors, (8178) [2022-11-21 13:44:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32932 states to 32932 states and 46799 transitions. [2022-11-21 13:44:34,805 INFO L78 Accepts]: Start accepts. Automaton has 32932 states and 46799 transitions. Word has length 303 [2022-11-21 13:44:34,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:44:34,805 INFO L495 AbstractCegarLoop]: Abstraction has 32932 states and 46799 transitions. [2022-11-21 13:44:34,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 2 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-11-21 13:44:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32932 states and 46799 transitions. [2022-11-21 13:44:34,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-11-21 13:44:34,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:44:34,857 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 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] [2022-11-21 13:44:34,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 13:44:35,074 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-21 13:44:35,074 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:44:35,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:44:35,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1905506378, now seen corresponding path program 1 times [2022-11-21 13:44:35,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:44:35,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127205262] [2022-11-21 13:44:35,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:44:35,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:44:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:44:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:44:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:44:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:44:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:44:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:44:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:44:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:44:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:44:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:44:37,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:44:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 13:44:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 13:44:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:44:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 13:44:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 13:44:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 13:44:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 13:44:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 13:44:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 13:44:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-21 13:44:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:38,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:38,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-21 13:44:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:44:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:44:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:44:39,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:44:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:44:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-21 13:44:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-21 13:44:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-11-21 13:44:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-11-21 13:44:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:44:39,357 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2022-11-21 13:44:39,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:44:39,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127205262] [2022-11-21 13:44:39,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127205262] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:44:39,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:44:39,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-21 13:44:39,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754350665] [2022-11-21 13:44:39,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:44:39,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-21 13:44:39,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:44:39,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-21 13:44:39,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-21 13:44:39,361 INFO L87 Difference]: Start difference. First operand 32932 states and 46799 transitions. Second operand has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 7 states have internal predecessors, (162), 7 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) [2022-11-21 13:44:58,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:44:58,497 INFO L93 Difference]: Finished difference Result 72251 states and 105673 transitions. [2022-11-21 13:44:58,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-21 13:44:58,497 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 7 states have internal predecessors, (162), 7 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) Word has length 297 [2022-11-21 13:44:58,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:44:58,666 INFO L225 Difference]: With dead ends: 72251 [2022-11-21 13:44:58,666 INFO L226 Difference]: Without dead ends: 39156 [2022-11-21 13:44:58,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2022-11-21 13:44:58,790 INFO L413 NwaCegarLoop]: 2572 mSDtfsCounter, 1906 mSDsluCounter, 14357 mSDsCounter, 0 mSdLazyCounter, 12906 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 16929 SdHoareTripleChecker+Invalid, 13795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 12906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-21 13:44:58,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 16929 Invalid, 13795 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [889 Valid, 12906 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time] [2022-11-21 13:44:58,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39156 states. [2022-11-21 13:45:00,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39156 to 33020. [2022-11-21 13:45:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33020 states, 23457 states have (on average 1.349192138807179) internal successors, (31648), 24010 states have internal predecessors, (31648), 7033 states have call successors, (7033), 2226 states have call predecessors, (7033), 2529 states have return successors, (8218), 7118 states have call predecessors, (8218), 7032 states have call successors, (8218) [2022-11-21 13:45:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33020 states to 33020 states and 46899 transitions. [2022-11-21 13:45:00,797 INFO L78 Accepts]: Start accepts. Automaton has 33020 states and 46899 transitions. Word has length 297 [2022-11-21 13:45:00,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:45:00,798 INFO L495 AbstractCegarLoop]: Abstraction has 33020 states and 46899 transitions. [2022-11-21 13:45:00,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.727272727272727) internal successors, (162), 7 states have internal predecessors, (162), 7 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (38), 6 states have call predecessors, (38), 7 states have call successors, (38) [2022-11-21 13:45:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 33020 states and 46899 transitions. [2022-11-21 13:45:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2022-11-21 13:45:00,848 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:45:00,849 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1] [2022-11-21 13:45:00,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 13:45:00,849 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:45:00,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:00,850 INFO L85 PathProgramCache]: Analyzing trace with hash 730087420, now seen corresponding path program 1 times [2022-11-21 13:45:00,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:00,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117060040] [2022-11-21 13:45:00,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:00,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:45:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:45:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:45:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:45:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:45:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:45:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:45:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:45:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:45:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:45:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:45:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-21 13:45:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-21 13:45:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-21 13:45:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-21 13:45:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-21 13:45:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-21 13:45:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-21 13:45:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-21 13:45:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-21 13:45:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-11-21 13:45:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-21 13:45:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-21 13:45:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:45:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:45:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:45:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:45:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 13:45:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:45:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-21 13:45:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-21 13:45:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-21 13:45:03,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:03,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117060040] [2022-11-21 13:45:03,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117060040] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:45:03,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135450755] [2022-11-21 13:45:03,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:03,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:45:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:45:03,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:45:03,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 13:45:04,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:04,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 4200 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-21 13:45:05,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:45:05,084 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 261 proven. 1 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-21 13:45:05,084 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 13:45:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2022-11-21 13:45:05,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135450755] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 13:45:05,521 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 13:45:05,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-21 13:45:05,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098691166] [2022-11-21 13:45:05,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 13:45:05,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 13:45:05,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:05,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 13:45:05,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2022-11-21 13:45:05,527 INFO L87 Difference]: Start difference. First operand 33020 states and 46899 transitions. Second operand has 14 states, 14 states have (on average 20.5) internal successors, (287), 10 states have internal predecessors, (287), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-21 13:45:22,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:45:22,749 INFO L93 Difference]: Finished difference Result 72199 states and 105604 transitions. [2022-11-21 13:45:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-21 13:45:22,749 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 20.5) internal successors, (287), 10 states have internal predecessors, (287), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 317 [2022-11-21 13:45:22,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:45:23,062 INFO L225 Difference]: With dead ends: 72199 [2022-11-21 13:45:23,062 INFO L226 Difference]: Without dead ends: 39180 [2022-11-21 13:45:23,178 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 730 GetRequests, 707 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=402, Unknown=0, NotChecked=0, Total=552 [2022-11-21 13:45:23,181 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 4238 mSDsluCounter, 9684 mSDsCounter, 0 mSdLazyCounter, 8918 mSolverCounterSat, 2682 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4496 SdHoareTripleChecker+Valid, 12237 SdHoareTripleChecker+Invalid, 11600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2682 IncrementalHoareTripleChecker+Valid, 8918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-21 13:45:23,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4496 Valid, 12237 Invalid, 11600 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2682 Valid, 8918 Invalid, 0 Unknown, 0 Unchecked, 14.2s Time] [2022-11-21 13:45:23,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39180 states. [2022-11-21 13:45:24,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39180 to 33044. [2022-11-21 13:45:24,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33044 states, 23479 states have (on average 1.3489927168959495) internal successors, (31673), 24032 states have internal predecessors, (31673), 7033 states have call successors, (7033), 2228 states have call predecessors, (7033), 2531 states have return successors, (8218), 7118 states have call predecessors, (8218), 7032 states have call successors, (8218) [2022-11-21 13:45:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33044 states to 33044 states and 46924 transitions. [2022-11-21 13:45:24,866 INFO L78 Accepts]: Start accepts. Automaton has 33044 states and 46924 transitions. Word has length 317 [2022-11-21 13:45:24,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:45:24,866 INFO L495 AbstractCegarLoop]: Abstraction has 33044 states and 46924 transitions. [2022-11-21 13:45:24,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.5) internal successors, (287), 10 states have internal predecessors, (287), 2 states have call successors, (102), 6 states have call predecessors, (102), 5 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2022-11-21 13:45:24,867 INFO L276 IsEmpty]: Start isEmpty. Operand 33044 states and 46924 transitions. [2022-11-21 13:45:24,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-11-21 13:45:24,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:45:24,930 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1] [2022-11-21 13:45:24,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 13:45:25,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:45:25,150 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:45:25,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:25,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1591821419, now seen corresponding path program 2 times [2022-11-21 13:45:25,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:25,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904592771] [2022-11-21 13:45:25,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:25,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:45:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:45:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:45:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:45:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:45:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:45:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:45:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:45:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:45:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:45:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:45:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:45:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:45:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 13:45:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:45:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:45:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 13:45:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:45:27,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 13:45:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 13:45:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-21 13:45:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-11-21 13:45:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-11-21 13:45:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:45:27,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:45:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:45:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:45:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 13:45:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:45:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-21 13:45:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-21 13:45:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:27,813 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2022-11-21 13:45:27,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:27,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904592771] [2022-11-21 13:45:27,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904592771] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 13:45:27,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849523855] [2022-11-21 13:45:27,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 13:45:27,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:45:27,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:45:27,816 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 13:45:27,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 13:45:29,316 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-21 13:45:29,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 13:45:29,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 2699 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-21 13:45:29,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 13:45:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked. [2022-11-21 13:45:30,023 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 13:45:30,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849523855] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:30,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 13:45:30,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 26 [2022-11-21 13:45:30,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682937150] [2022-11-21 13:45:30,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:30,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-21 13:45:30,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:30,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-21 13:45:30,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=595, Unknown=0, NotChecked=0, Total=650 [2022-11-21 13:45:30,059 INFO L87 Difference]: Start difference. First operand 33044 states and 46924 transitions. Second operand has 18 states, 17 states have (on average 10.176470588235293) internal successors, (173), 14 states have internal predecessors, (173), 4 states have call successors, (43), 2 states have call predecessors, (43), 6 states have return successors, (42), 7 states have call predecessors, (42), 4 states have call successors, (42) [2022-11-21 13:45:32,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:45:32,801 INFO L93 Difference]: Finished difference Result 66139 states and 95088 transitions. [2022-11-21 13:45:32,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-21 13:45:32,802 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 10.176470588235293) internal successors, (173), 14 states have internal predecessors, (173), 4 states have call successors, (43), 2 states have call predecessors, (43), 6 states have return successors, (42), 7 states have call predecessors, (42), 4 states have call successors, (42) Word has length 320 [2022-11-21 13:45:32,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:45:32,964 INFO L225 Difference]: With dead ends: 66139 [2022-11-21 13:45:32,964 INFO L226 Difference]: Without dead ends: 33144 [2022-11-21 13:45:33,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=1027, Unknown=0, NotChecked=0, Total=1122 [2022-11-21 13:45:33,066 INFO L413 NwaCegarLoop]: 3900 mSDtfsCounter, 22 mSDsluCounter, 62308 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 66208 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 13:45:33,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 66208 Invalid, 313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 13:45:33,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33144 states. [2022-11-21 13:45:34,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33144 to 33068. [2022-11-21 13:45:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33068 states, 23497 states have (on average 1.348470017449036) internal successors, (31685), 24050 states have internal predecessors, (31685), 7039 states have call successors, (7039), 2228 states have call predecessors, (7039), 2531 states have return successors, (8224), 7124 states have call predecessors, (8224), 7038 states have call successors, (8224) [2022-11-21 13:45:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33068 states to 33068 states and 46948 transitions. [2022-11-21 13:45:34,930 INFO L78 Accepts]: Start accepts. Automaton has 33068 states and 46948 transitions. Word has length 320 [2022-11-21 13:45:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 13:45:34,932 INFO L495 AbstractCegarLoop]: Abstraction has 33068 states and 46948 transitions. [2022-11-21 13:45:34,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 10.176470588235293) internal successors, (173), 14 states have internal predecessors, (173), 4 states have call successors, (43), 2 states have call predecessors, (43), 6 states have return successors, (42), 7 states have call predecessors, (42), 4 states have call successors, (42) [2022-11-21 13:45:34,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33068 states and 46948 transitions. [2022-11-21 13:45:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-21 13:45:34,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 13:45:34,981 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 7, 4, 4, 4, 3, 3, 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] [2022-11-21 13:45:34,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 13:45:35,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b7f095f-32c7-4aa5-b153-4d292b301d13/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 13:45:35,187 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 13:45:35,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 13:45:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1102581600, now seen corresponding path program 1 times [2022-11-21 13:45:35,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 13:45:35,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865017277] [2022-11-21 13:45:35,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 13:45:35,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 13:45:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 13:45:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-21 13:45:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-21 13:45:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 13:45:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-21 13:45:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-21 13:45:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 13:45:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 13:45:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-21 13:45:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-21 13:45:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-21 13:45:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-21 13:45:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-21 13:45:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-21 13:45:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-21 13:45:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-21 13:45:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-21 13:45:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-11-21 13:45:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-21 13:45:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-21 13:45:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:35,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-11-21 13:45:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:35,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-21 13:45:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-21 13:45:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-21 13:45:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-21 13:45:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-21 13:45:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 13:45:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-21 13:45:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-21 13:45:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-21 13:45:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-21 13:45:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 13:45:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 556 trivial. 0 not checked. [2022-11-21 13:45:36,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 13:45:36,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865017277] [2022-11-21 13:45:36,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865017277] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 13:45:36,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 13:45:36,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-21 13:45:36,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259854873] [2022-11-21 13:45:36,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 13:45:36,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-21 13:45:36,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 13:45:36,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-21 13:45:36,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-21 13:45:36,470 INFO L87 Difference]: Start difference. First operand 33068 states and 46948 transitions. Second operand has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) [2022-11-21 13:45:38,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 13:45:54,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 13:45:54,280 INFO L93 Difference]: Finished difference Result 72571 states and 106538 transitions. [2022-11-21 13:45:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-21 13:45:54,281 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.77777777777778) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (39), 6 states have call predecessors, (39), 3 states have return successors, (38), 3 states have call predecessors, (38), 2 states have call successors, (38) Word has length 298 [2022-11-21 13:45:54,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 13:45:54,454 INFO L225 Difference]: With dead ends: 72571 [2022-11-21 13:45:54,454 INFO L226 Difference]: Without dead ends: 39552 [2022-11-21 13:45:54,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-11-21 13:45:54,557 INFO L413 NwaCegarLoop]: 2593 mSDtfsCounter, 3051 mSDsluCounter, 11133 mSDsCounter, 0 mSdLazyCounter, 9935 mSolverCounterSat, 1749 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 13726 SdHoareTripleChecker+Invalid, 11684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1749 IncrementalHoareTripleChecker+Valid, 9935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-11-21 13:45:54,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 13726 Invalid, 11684 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1749 Valid, 9935 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2022-11-21 13:45:54,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39552 states.