./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:18:14,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:18:14,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:18:14,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:18:14,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:18:14,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:18:14,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:18:14,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:18:14,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:18:14,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:18:14,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:18:14,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:18:14,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:18:14,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:18:14,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:18:14,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:18:14,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:18:14,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:18:14,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:18:14,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:18:14,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:18:14,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:18:14,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:18:14,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:18:14,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:18:14,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:18:14,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:18:14,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:18:14,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:18:14,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:18:14,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:18:14,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:18:14,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:18:14,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:18:14,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:18:14,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:18:14,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:18:14,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:18:14,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:18:14,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:18:14,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:18:14,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:18:14,613 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:18:14,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:18:14,614 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:18:14,615 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:18:14,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:18:14,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:18:14,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:18:14,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:18:14,617 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:18:14,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:18:14,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:18:14,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:18:14,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:18:14,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:18:14,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:18:14,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:18:14,621 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:18:14,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:18:14,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:18:14,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:18:14,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:18:14,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:18:14,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:18:14,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:18:14,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:18:14,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:18:14,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:18:14,624 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:18:14,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:18:14,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:18:14,627 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_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 549d105dbd2b95e1c241c01b48dc69ec107f34e0fb82917a92dcec665dfc2efc [2022-11-02 20:18:15,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:18:15,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:18:15,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:18:15,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:18:15,068 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:18:15,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-02 20:18:15,181 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/data/0af9c5bec/e308e608338749e0966246253d57b9a6/FLAG6e78f0046 [2022-11-02 20:18:16,459 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:18:16,460 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-02 20:18:16,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/data/0af9c5bec/e308e608338749e0966246253d57b9a6/FLAG6e78f0046 [2022-11-02 20:18:16,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/data/0af9c5bec/e308e608338749e0966246253d57b9a6 [2022-11-02 20:18:16,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:18:16,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:18:16,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:18:16,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:18:16,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:18:16,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:18:16" (1/1) ... [2022-11-02 20:18:16,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cac4d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:16, skipping insertion in model container [2022-11-02 20:18:16,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:18:16" (1/1) ... [2022-11-02 20:18:16,679 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:18:16,911 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:18:20,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-02 20:18:20,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:18:20,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:18:21,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/sv-benchmarks/c/ldv-linux-3.0/module_get_put-drivers-tty-synclink_gt.ko.cil.out.i[379011,379024] [2022-11-02 20:18:21,391 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:18:21,850 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:18:21,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21 WrapperNode [2022-11-02 20:18:21,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:18:21,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:18:21,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:18:21,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:18:21,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:22,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:22,445 INFO L138 Inliner]: procedures = 343, calls = 3523, calls flagged for inlining = 191, calls inlined = 172, statements flattened = 8311 [2022-11-02 20:18:22,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:18:22,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:18:22,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:18:22,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:18:22,460 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:22,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:22,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:22,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:23,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:23,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:23,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:23,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:23,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:18:23,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:18:23,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:18:23,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:18:23,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (1/1) ... [2022-11-02 20:18:23,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:18:23,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:23,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:23,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d6cb95c-9466-478f-8b92-966a1b114373/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:18:23,345 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2022-11-02 20:18:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2022-11-02 20:18:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-02 20:18:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:18:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:18:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-02 20:18:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-02 20:18:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:18:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:18:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-02 20:18:23,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-02 20:18:23,347 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2022-11-02 20:18:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2022-11-02 20:18:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:18:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:18:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2022-11-02 20:18:23,348 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2022-11-02 20:18:23,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-02 20:18:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-02 20:18:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-02 20:18:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-02 20:18:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:18:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:18:23,349 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2022-11-02 20:18:23,349 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2022-11-02 20:18:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-02 20:18:23,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-02 20:18:23,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-02 20:18:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-02 20:18:23,351 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-02 20:18:23,351 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-02 20:18:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:18:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:18:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-02 20:18:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-02 20:18:23,352 INFO L130 BoogieDeclarations]: Found specification of procedure free_bufs [2022-11-02 20:18:23,352 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bufs [2022-11-02 20:18:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-02 20:18:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-02 20:18:23,353 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2022-11-02 20:18:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2022-11-02 20:18:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-02 20:18:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-02 20:18:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:18:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:18:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:18:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:18:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2022-11-02 20:18:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2022-11-02 20:18:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:18:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-02 20:18:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2022-11-02 20:18:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2022-11-02 20:18:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:18:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure reset_rbufs [2022-11-02 20:18:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_rbufs [2022-11-02 20:18:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2022-11-02 20:18:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2022-11-02 20:18:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-02 20:18:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-02 20:18:23,359 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:18:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:18:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-02 20:18:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-02 20:18:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:18:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:18:23,360 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2022-11-02 20:18:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2022-11-02 20:18:23,361 INFO L130 BoogieDeclarations]: Found specification of procedure free_rbufs [2022-11-02 20:18:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rbufs [2022-11-02 20:18:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:18:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:18:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure async_mode [2022-11-02 20:18:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure async_mode [2022-11-02 20:18:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2022-11-02 20:18:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2022-11-02 20:18:23,362 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-02 20:18:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-02 20:18:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-02 20:18:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-02 20:18:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:18:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:18:23,363 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-02 20:18:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-02 20:18:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2022-11-02 20:18:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2022-11-02 20:18:23,364 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-02 20:18:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-02 20:18:23,365 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2022-11-02 20:18:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2022-11-02 20:18:23,366 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:18:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:18:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-02 20:18:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-02 20:18:23,367 INFO L130 BoogieDeclarations]: Found specification of procedure update_tx_timer [2022-11-02 20:18:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure update_tx_timer [2022-11-02 20:18:23,368 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bufs [2022-11-02 20:18:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bufs [2022-11-02 20:18:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:18:23,369 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:18:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:18:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure msc_set_vcr [2022-11-02 20:18:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure msc_set_vcr [2022-11-02 20:18:23,370 INFO L130 BoogieDeclarations]: Found specification of procedure isr_txeom [2022-11-02 20:18:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_txeom [2022-11-02 20:18:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:18:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:18:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup_timer_key [2022-11-02 20:18:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_timer_key [2022-11-02 20:18:23,371 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-02 20:18:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-02 20:18:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure rdma_reset [2022-11-02 20:18:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure rdma_reset [2022-11-02 20:18:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:18:23,372 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2022-11-02 20:18:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2022-11-02 20:18:23,373 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2022-11-02 20:18:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2022-11-02 20:18:23,374 INFO L130 BoogieDeclarations]: Found specification of procedure slgt_cleanup [2022-11-02 20:18:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure slgt_cleanup [2022-11-02 20:18:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:18:23,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-02 20:18:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-02 20:18:23,379 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-02 20:18:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-02 20:18:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2022-11-02 20:18:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2022-11-02 20:18:23,382 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2022-11-02 20:18:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2022-11-02 20:18:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-02 20:18:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-02 20:18:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:18:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:18:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2022-11-02 20:18:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2022-11-02 20:18:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-02 20:18:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-02 20:18:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:18:23,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:18:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load [2022-11-02 20:18:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load [2022-11-02 20:18:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg32 [2022-11-02 20:18:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg32 [2022-11-02 20:18:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2022-11-02 20:18:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2022-11-02 20:18:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:18:23,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:18:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:18:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:18:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:18:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2022-11-02 20:18:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2022-11-02 20:18:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg32 [2022-11-02 20:18:23,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg32 [2022-11-02 20:18:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure isr_rxdata [2022-11-02 20:18:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_rxdata [2022-11-02 20:18:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2022-11-02 20:18:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2022-11-02 20:18:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure tbuf_bytes [2022-11-02 20:18:23,391 INFO L138 BoogieDeclarations]: Found implementation of procedure tbuf_bytes [2022-11-02 20:18:23,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:18:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-02 20:18:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-02 20:18:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:18:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:18:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:18:23,392 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-02 20:18:23,392 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-02 20:18:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2022-11-02 20:18:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2022-11-02 20:18:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:18:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:18:23,393 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg16 [2022-11-02 20:18:23,393 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg16 [2022-11-02 20:18:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2022-11-02 20:18:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2022-11-02 20:18:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:18:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:18:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure rd_reg16 [2022-11-02 20:18:23,394 INFO L138 BoogieDeclarations]: Found implementation of procedure rd_reg16 [2022-11-02 20:18:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:18:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:18:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure sync_mode [2022-11-02 20:18:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_mode [2022-11-02 20:18:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2022-11-02 20:18:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2022-11-02 20:18:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2022-11-02 20:18:23,395 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2022-11-02 20:18:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:18:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:18:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2022-11-02 20:18:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2022-11-02 20:18:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:18:23,396 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:18:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure free_tmp_rbuf [2022-11-02 20:18:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure free_tmp_rbuf [2022-11-02 20:18:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:18:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:18:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure tdma_reset [2022-11-02 20:18:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure tdma_reset [2022-11-02 20:18:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2022-11-02 20:18:23,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2022-11-02 20:18:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-02 20:18:23,398 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-02 20:18:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:18:23,398 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2022-11-02 20:18:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2022-11-02 20:18:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2022-11-02 20:18:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2022-11-02 20:18:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure wr_reg8 [2022-11-02 20:18:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure wr_reg8 [2022-11-02 20:18:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2022-11-02 20:18:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2022-11-02 20:18:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:18:23,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:18:24,846 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:18:24,854 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:18:25,307 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:25,427 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !false; [2022-11-02 20:18:25,427 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume false; [2022-11-02 20:18:25,706 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2022-11-02 20:18:25,707 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2022-11-02 20:18:26,669 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:26,897 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2022-11-02 20:18:26,897 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2022-11-02 20:18:27,434 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:27,439 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:27,709 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##61: assume !false; [2022-11-02 20:18:27,709 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##60: assume false; [2022-11-02 20:18:27,709 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume !false; [2022-11-02 20:18:27,710 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##131: assume false; [2022-11-02 20:18:28,074 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:44,228 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940: SUMMARY for call modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10940-1: modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset := modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;havoc modem_input_wait_#t~ret1364#1.base, modem_input_wait_#t~ret1364#1.offset;modem_input_wait_~__ptr___3~1#1.base, modem_input_wait_~__ptr___3~1#1.offset := modem_input_wait_~tmp___8~2#1.base, modem_input_wait_~tmp___8~2#1.offset; [2022-11-02 20:18:44,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882: SUMMARY for call modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10882-1: modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset := modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;havoc modem_input_wait_#t~ret1333#1.base, modem_input_wait_#t~ret1333#1.offset;modem_input_wait_~__ptr~3#1.base, modem_input_wait_~__ptr~3#1.offset := modem_input_wait_~tmp___1~21#1.base, modem_input_wait_~tmp___1~21#1.offset; [2022-11-02 20:18:44,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##265: assume !false; [2022-11-02 20:18:44,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##264: assume false; [2022-11-02 20:18:44,229 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##276: assume false; [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##277: assume !false; [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##232: assume false; [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##233: assume !false; [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##241: assume !false; [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##240: assume false; [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037-1: modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset := modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;havoc modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset;modem_input_wait_~__ptr___7~1#1.base, modem_input_wait_~__ptr___7~1#1.offset := modem_input_wait_~tmp___12~1#1.base, modem_input_wait_~tmp___12~1#1.offset; [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11037: SUMMARY for call modem_input_wait_#t~ret1407#1.base, modem_input_wait_#t~ret1407#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,230 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##304: assume !false; [2022-11-02 20:18:44,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##303: assume false; [2022-11-02 20:18:44,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655-1: remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset := remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;havoc remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset;remove_cond_wait_~__ptr~2#1.base, remove_cond_wait_~__ptr~2#1.offset := remove_cond_wait_~tmp~91#1.base, remove_cond_wait_~tmp~91#1.offset; [2022-11-02 20:18:44,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10655: SUMMARY for call remove_cond_wait_#t~ret1268#1.base, remove_cond_wait_#t~ret1268#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195: SUMMARY for call wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10195-1: wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset := wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;havoc wait_mgsl_event_#t~ret1204#1.base, wait_mgsl_event_#t~ret1204#1.offset;wait_mgsl_event_~__ptr___7~0#1.base, wait_mgsl_event_~__ptr___7~0#1.offset := wait_mgsl_event_~tmp___26~0#1.base, wait_mgsl_event_~tmp___26~0#1.offset; [2022-11-02 20:18:44,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592: SUMMARY for call add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,231 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10592-1: add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset := add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;havoc add_cond_wait_#t~ret1263#1.base, add_cond_wait_#t~ret1263#1.offset;add_cond_wait_~__ptr~1#1.base, add_cond_wait_~__ptr~1#1.offset := add_cond_wait_~tmp~90#1.base, add_cond_wait_~tmp~90#1.offset; [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064: SUMMARY for call wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10064-1: wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset := wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;havoc wait_mgsl_event_#t~ret1129#1.base, wait_mgsl_event_#t~ret1129#1.offset;wait_mgsl_event_~__ptr___3~0#1.base, wait_mgsl_event_~__ptr___3~0#1.offset := wait_mgsl_event_~tmp___13~0#1.base, wait_mgsl_event_~tmp___13~0#1.offset; [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume !false; [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume false; [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##69: assume !false; [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##68: assume false; [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##195: assume false; [2022-11-02 20:18:44,232 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##196: assume !false; [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##40: assume !false; [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##39: assume false; [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume !false; [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##138: assume false; [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004: SUMMARY for call wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset := get_current(); srcloc: null [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L10004-1: wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset := wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;havoc wait_mgsl_event_#t~ret1090#1.base, wait_mgsl_event_#t~ret1090#1.offset;wait_mgsl_event_~__ptr~0#1.base, wait_mgsl_event_~__ptr~0#1.offset := wait_mgsl_event_~tmp___6~1#1.base, wait_mgsl_event_~tmp___6~1#1.offset; [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##389: assume false; [2022-11-02 20:18:44,233 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##151: assume !false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##150: assume false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##390: assume !false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##155: assume false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##156: assume !false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##327: assume !false; [2022-11-02 20:18:44,234 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##326: assume false; [2022-11-02 20:18:44,537 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:44,540 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:44,550 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:44,551 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:44,552 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-02 20:18:57,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##289: assume !false;call ULTIMATE.dealloc(hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset);havoc hdlcdev_ioctl_~#new_line~0#1.base, hdlcdev_ioctl_~#new_line~0#1.offset; [2022-11-02 20:18:57,983 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##288: assume false; [2022-11-02 20:18:57,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##301: assume !false; [2022-11-02 20:18:57,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##300: assume false; [2022-11-02 20:18:57,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##323: assume !false; [2022-11-02 20:18:57,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##322: assume false; [2022-11-02 20:18:57,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392: SUMMARY for call block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset := get_current(); srcloc: null [2022-11-02 20:18:57,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11392-1: block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset := block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;havoc block_til_ready_#t~ret1467#1.base, block_til_ready_#t~ret1467#1.offset;block_til_ready_~__ptr___3~2#1.base, block_til_ready_~__ptr___3~2#1.offset := block_til_ready_~tmp___9~2#1.base, block_til_ready_~tmp___9~2#1.offset; [2022-11-02 20:18:57,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##399: assume false; [2022-11-02 20:18:57,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##423: assume false; [2022-11-02 20:18:57,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##424: assume !false; [2022-11-02 20:18:57,985 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##400: assume !false; [2022-11-02 20:18:57,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302-1: block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset := block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;havoc block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset;block_til_ready_~__ptr~4#1.base, block_til_ready_~__ptr~4#1.offset := block_til_ready_~tmp___2~14#1.base, block_til_ready_~tmp___2~14#1.offset; [2022-11-02 20:18:57,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L11302: SUMMARY for call block_til_ready_#t~ret1453#1.base, block_til_ready_#t~ret1453#1.offset := get_current(); srcloc: null [2022-11-02 20:18:57,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##78: assume !false; [2022-11-02 20:18:57,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume false; [2022-11-02 20:18:57,986 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##133: assume !false; [2022-11-02 20:18:57,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##132: assume false; [2022-11-02 20:18:58,323 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:18:58,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:18:58,353 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-02 20:18:58,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:58 BoogieIcfgContainer [2022-11-02 20:18:58,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:18:58,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:18:58,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:18:58,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:18:58,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:18:16" (1/3) ... [2022-11-02 20:18:58,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5db262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:18:58, skipping insertion in model container [2022-11-02 20:18:58,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:21" (2/3) ... [2022-11-02 20:18:58,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5db262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:18:58, skipping insertion in model container [2022-11-02 20:18:58,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:58" (3/3) ... [2022-11-02 20:18:58,376 INFO L112 eAbstractionObserver]: Analyzing ICFG module_get_put-drivers-tty-synclink_gt.ko.cil.out.i [2022-11-02 20:18:58,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:18:58,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:18:58,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:18:58,587 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;@7846deb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:18:58,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:18:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) [2022-11-02 20:18:58,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-02 20:18:58,618 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:58,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:58,620 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:58,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:58,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1683062230, now seen corresponding path program 1 times [2022-11-02 20:18:58,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:58,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420464747] [2022-11-02 20:18:58,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:58,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:18:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:59,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:18:59,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:59,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420464747] [2022-11-02 20:18:59,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420464747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:59,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:59,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:18:59,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512327491] [2022-11-02 20:18:59,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:59,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:18:59,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:59,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:18:59,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:18:59,636 INFO L87 Difference]: Start difference. First operand has 2733 states, 2016 states have (on average 1.4037698412698412) internal successors, (2830), 2091 states have internal predecessors, (2830), 627 states have call successors, (627), 98 states have call predecessors, (627), 98 states have return successors, (627), 607 states have call predecessors, (627), 627 states have call successors, (627) Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:19:06,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:14,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:14,429 INFO L93 Difference]: Finished difference Result 8239 states and 12424 transitions. [2022-11-02 20:19:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:19:14,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-02 20:19:14,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:14,516 INFO L225 Difference]: With dead ends: 8239 [2022-11-02 20:19:14,517 INFO L226 Difference]: Without dead ends: 5516 [2022-11-02 20:19:14,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:19:14,551 INFO L413 NwaCegarLoop]: 5322 mSDtfsCounter, 5348 mSDsluCounter, 3923 mSDsCounter, 0 mSdLazyCounter, 3308 mSolverCounterSat, 1790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5970 SdHoareTripleChecker+Valid, 9245 SdHoareTripleChecker+Invalid, 5098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1790 IncrementalHoareTripleChecker+Valid, 3308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:14,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5970 Valid, 9245 Invalid, 5098 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1790 Valid, 3308 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2022-11-02 20:19:14,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5516 states. [2022-11-02 20:19:15,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5516 to 5399. [2022-11-02 20:19:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.396865520728008) internal successors, (5526), 4121 states have internal predecessors, (5526), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-02 20:19:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8020 transitions. [2022-11-02 20:19:15,132 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8020 transitions. Word has length 17 [2022-11-02 20:19:15,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:15,133 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8020 transitions. [2022-11-02 20:19:15,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:19:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8020 transitions. [2022-11-02 20:19:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-02 20:19:15,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:15,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:15,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:19:15,157 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:15,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash -724110025, now seen corresponding path program 1 times [2022-11-02 20:19:15,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:15,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95869195] [2022-11-02 20:19:15,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:15,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:15,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:19:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:15,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:19:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:15,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:19:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 20:19:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:15,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:19:15,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95869195] [2022-11-02 20:19:15,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95869195] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:15,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:15,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:19:15,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528882391] [2022-11-02 20:19:15,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:15,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:19:15,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:19:15,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:19:15,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:19:15,857 INFO L87 Difference]: Start difference. First operand 5399 states and 8020 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:19:17,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:25,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:32,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:35,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:37,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:42,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:45,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:47,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:49,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:53,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:53,129 INFO L93 Difference]: Finished difference Result 11041 states and 16480 transitions. [2022-11-02 20:19:53,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:19:53,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-02 20:19:53,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:53,177 INFO L225 Difference]: With dead ends: 11041 [2022-11-02 20:19:53,178 INFO L226 Difference]: Without dead ends: 5737 [2022-11-02 20:19:53,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:19:53,208 INFO L413 NwaCegarLoop]: 3634 mSDtfsCounter, 2185 mSDsluCounter, 6769 mSDsCounter, 0 mSdLazyCounter, 6333 mSolverCounterSat, 1624 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 10403 SdHoareTripleChecker+Invalid, 7966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1624 IncrementalHoareTripleChecker+Valid, 6333 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:53,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 10403 Invalid, 7966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1624 Valid, 6333 Invalid, 9 Unknown, 0 Unchecked, 36.6s Time] [2022-11-02 20:19:53,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5737 states. [2022-11-02 20:19:53,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5737 to 5399. [2022-11-02 20:19:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 3956 states have (on average 1.3966127401415571) internal successors, (5525), 4121 states have internal predecessors, (5525), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-02 20:19:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 8019 transitions. [2022-11-02 20:19:53,668 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 8019 transitions. Word has length 54 [2022-11-02 20:19:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:53,669 INFO L495 AbstractCegarLoop]: Abstraction has 5399 states and 8019 transitions. [2022-11-02 20:19:53,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:19:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 8019 transitions. [2022-11-02 20:19:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 20:19:53,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:53,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:19:53,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:19:53,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:53,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:53,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1735445289, now seen corresponding path program 1 times [2022-11-02 20:19:53,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:53,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520605304] [2022-11-02 20:19:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:53,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:54,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:19:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:19:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:54,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-02 20:19:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:54,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:19:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:19:54,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:19:54,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520605304] [2022-11-02 20:19:54,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520605304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:54,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:54,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-02 20:19:54,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489094421] [2022-11-02 20:19:54,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:54,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-02 20:19:54,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:19:54,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 20:19:54,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:19:54,637 INFO L87 Difference]: Start difference. First operand 5399 states and 8019 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:19:56,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:05,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:07,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:10,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:12,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:15,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:20,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:23,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:26,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:32,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:35,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:37,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:39,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:43,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:20:43,728 INFO L93 Difference]: Finished difference Result 9487 states and 14322 transitions. [2022-11-02 20:20:43,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:20:43,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2022-11-02 20:20:43,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:20:43,775 INFO L225 Difference]: With dead ends: 9487 [2022-11-02 20:20:43,775 INFO L226 Difference]: Without dead ends: 6793 [2022-11-02 20:20:43,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-02 20:20:43,794 INFO L413 NwaCegarLoop]: 4893 mSDtfsCounter, 5594 mSDsluCounter, 10772 mSDsCounter, 0 mSdLazyCounter, 9084 mSolverCounterSat, 2779 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5731 SdHoareTripleChecker+Valid, 15665 SdHoareTripleChecker+Invalid, 11873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2779 IncrementalHoareTripleChecker+Valid, 9084 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:20:43,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5731 Valid, 15665 Invalid, 11873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2779 Valid, 9084 Invalid, 10 Unknown, 0 Unchecked, 48.3s Time] [2022-11-02 20:20:43,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6793 states. [2022-11-02 20:20:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6793 to 5402. [2022-11-02 20:20:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5402 states, 3959 states have (on average 1.3963122000505177) internal successors, (5528), 4124 states have internal predecessors, (5528), 1248 states have call successors, (1248), 195 states have call predecessors, (1248), 194 states have return successors, (1246), 1206 states have call predecessors, (1246), 1246 states have call successors, (1246) [2022-11-02 20:20:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5402 states to 5402 states and 8022 transitions. [2022-11-02 20:20:44,188 INFO L78 Accepts]: Start accepts. Automaton has 5402 states and 8022 transitions. Word has length 61 [2022-11-02 20:20:44,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:20:44,188 INFO L495 AbstractCegarLoop]: Abstraction has 5402 states and 8022 transitions. [2022-11-02 20:20:44,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:20:44,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 8022 transitions. [2022-11-02 20:20:44,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 20:20:44,196 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:20:44,197 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:20:44,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:20:44,197 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:20:44,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:20:44,204 INFO L85 PathProgramCache]: Analyzing trace with hash -306607694, now seen corresponding path program 1 times [2022-11-02 20:20:44,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:20:44,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392218414] [2022-11-02 20:20:44,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:20:44,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:20:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:44,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:20:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:20:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:20:44,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:44,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:20:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:20:44,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:20:44,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:20:44,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392218414] [2022-11-02 20:20:44,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392218414] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:20:44,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:20:44,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:20:44,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13906245] [2022-11-02 20:20:44,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:20:44,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:20:44,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:20:44,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:20:44,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:20:44,987 INFO L87 Difference]: Start difference. First operand 5402 states and 8022 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:20:47,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:51,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:53,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:56,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:20:59,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:02,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:05,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:09,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:11,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:13,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:16,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:17,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:21:17,965 INFO L93 Difference]: Finished difference Result 11087 states and 16599 transitions. [2022-11-02 20:21:17,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:21:17,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2022-11-02 20:21:17,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:21:18,005 INFO L225 Difference]: With dead ends: 11087 [2022-11-02 20:21:18,006 INFO L226 Difference]: Without dead ends: 5700 [2022-11-02 20:21:18,037 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:21:18,039 INFO L413 NwaCegarLoop]: 3429 mSDtfsCounter, 5211 mSDsluCounter, 2269 mSDsCounter, 0 mSdLazyCounter, 2641 mSolverCounterSat, 2440 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5620 SdHoareTripleChecker+Valid, 5698 SdHoareTripleChecker+Invalid, 5090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2440 IncrementalHoareTripleChecker+Valid, 2641 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:21:18,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5620 Valid, 5698 Invalid, 5090 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2440 Valid, 2641 Invalid, 9 Unknown, 0 Unchecked, 32.4s Time] [2022-11-02 20:21:18,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2022-11-02 20:21:18,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5362. [2022-11-02 20:21:18,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5362 states, 3925 states have (on average 1.3521019108280254) internal successors, (5307), 4088 states have internal predecessors, (5307), 1244 states have call successors, (1244), 193 states have call predecessors, (1244), 192 states have return successors, (1242), 1202 states have call predecessors, (1242), 1242 states have call successors, (1242) [2022-11-02 20:21:18,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5362 states to 5362 states and 7793 transitions. [2022-11-02 20:21:18,402 INFO L78 Accepts]: Start accepts. Automaton has 5362 states and 7793 transitions. Word has length 65 [2022-11-02 20:21:18,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:21:18,405 INFO L495 AbstractCegarLoop]: Abstraction has 5362 states and 7793 transitions. [2022-11-02 20:21:18,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:21:18,405 INFO L276 IsEmpty]: Start isEmpty. Operand 5362 states and 7793 transitions. [2022-11-02 20:21:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 20:21:18,412 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:21:18,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:21:18,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:21:18,413 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:21:18,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:21:18,414 INFO L85 PathProgramCache]: Analyzing trace with hash -244568080, now seen corresponding path program 1 times [2022-11-02 20:21:18,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:21:18,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000407456] [2022-11-02 20:21:18,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:21:18,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:21:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-02 20:21:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:18,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-02 20:21:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:18,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 20:21:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:21:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:21:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:21:19,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:21:19,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000407456] [2022-11-02 20:21:19,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000407456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:21:19,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:21:19,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:21:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622039137] [2022-11-02 20:21:19,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:21:19,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:21:19,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:21:19,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:21:19,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:21:19,005 INFO L87 Difference]: Start difference. First operand 5362 states and 7793 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-02 20:21:21,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:23,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:35,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:37,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:39,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:43,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:46,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:50,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:52,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:21:58,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []