./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro --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 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d --- 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-8393723 [2022-11-18 19:39:25,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:39:25,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:39:25,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:39:25,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:39:25,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:39:25,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:39:25,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:39:25,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:39:25,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:39:25,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:39:25,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:39:25,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:39:25,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:39:25,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:39:25,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:39:25,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:39:25,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:39:25,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:39:25,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:39:25,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:39:25,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:39:25,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:39:25,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:39:25,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:39:25,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:39:25,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:39:25,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:39:25,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:39:25,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:39:25,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:39:25,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:39:25,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:39:25,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:39:25,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:39:25,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:39:25,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:39:25,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:39:25,492 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:39:25,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:39:25,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:39:25,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 19:39:25,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:39:25,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:39:25,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:39:25,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:39:25,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:39:25,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:39:25,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:39:25,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:39:25,549 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:39:25,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:39:25,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:39:25,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:39:25,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:39:25,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:39:25,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:39:25,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:39:25,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:39:25,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:39:25,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:39:25,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:39:25,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:39:25,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:39:25,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:39:25,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:39:25,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:39:25,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:39:25,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:39:25,571 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:39:25,571 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:39:25,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:39:25,572 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_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 006aa960ed1622b337a2cda4a1ad6a685b212b2d57c6c6998da1e861381a253d [2022-11-18 19:39:25,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:39:25,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:39:25,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:39:25,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:39:25,897 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:39:25,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-18 19:39:25,970 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/data/e9be19e20/bd3b9f687a184a2e9df8b3dc8a691152/FLAG8e26a96f9 [2022-11-18 19:39:26,946 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:39:26,947 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-18 19:39:27,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/data/e9be19e20/bd3b9f687a184a2e9df8b3dc8a691152/FLAG8e26a96f9 [2022-11-18 19:39:27,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/data/e9be19e20/bd3b9f687a184a2e9df8b3dc8a691152 [2022-11-18 19:39:27,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:39:27,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:39:27,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:39:27,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:39:27,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:39:27,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:39:27" (1/1) ... [2022-11-18 19:39:27,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c16bede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:27, skipping insertion in model container [2022-11-18 19:39:27,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:39:27" (1/1) ... [2022-11-18 19:39:27,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:39:27,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:39:28,967 WARN L234 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_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-11-18 19:39:30,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:39:30,701 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:39:30,857 WARN L234 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_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i[171620,171633] [2022-11-18 19:39:31,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:39:31,602 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:39:31,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31 WrapperNode [2022-11-18 19:39:31,603 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:39:31,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:39:31,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:39:31,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:39:31,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:31,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:31,944 INFO L138 Inliner]: procedures = 318, calls = 3934, calls flagged for inlining = 135, calls inlined = 109, statements flattened = 6388 [2022-11-18 19:39:31,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:39:31,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:39:31,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:39:31,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:39:31,955 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:31,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:31,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:31,986 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:32,155 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:32,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:32,210 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:32,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:32,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:39:32,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:39:32,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:39:32,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:39:32,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (1/1) ... [2022-11-18 19:39:32,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:39:32,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:39:32,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:39:32,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9d136cf-5eda-4c7f-94f8-a5838a772c5e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:39:32,458 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2022-11-18 19:39:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2022-11-18 19:39:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-18 19:39:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-18 19:39:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2022-11-18 19:39:32,459 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2022-11-18 19:39:32,459 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2022-11-18 19:39:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2022-11-18 19:39:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2022-11-18 19:39:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2022-11-18 19:39:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-18 19:39:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-18 19:39:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2022-11-18 19:39:32,460 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2022-11-18 19:39:32,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-18 19:39:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-18 19:39:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2022-11-18 19:39:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2022-11-18 19:39:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-18 19:39:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-18 19:39:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2022-11-18 19:39:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2022-11-18 19:39:32,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 19:39:32,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 19:39:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-18 19:39:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-18 19:39:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2022-11-18 19:39:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2022-11-18 19:39:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2022-11-18 19:39:32,462 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2022-11-18 19:39:32,462 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2022-11-18 19:39:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2022-11-18 19:39:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure freeurbs [2022-11-18 19:39:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure freeurbs [2022-11-18 19:39:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2022-11-18 19:39:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2022-11-18 19:39:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-18 19:39:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-18 19:39:32,463 INFO L130 BoogieDeclarations]: Found specification of procedure start_cbsend [2022-11-18 19:39:32,463 INFO L138 BoogieDeclarations]: Found implementation of procedure start_cbsend [2022-11-18 19:39:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-18 19:39:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-18 19:39:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-18 19:39:32,464 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-18 19:39:32,464 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2022-11-18 19:39:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2022-11-18 19:39:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 19:39:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 19:39:32,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_43 [2022-11-18 19:39:32,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_43 [2022-11-18 19:39:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 19:39:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 19:39:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2022-11-18 19:39:32,466 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2022-11-18 19:39:32,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-18 19:39:32,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-18 19:39:32,467 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-11-18 19:39:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-11-18 19:39:32,468 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-18 19:39:32,468 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-18 19:39:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-18 19:39:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-18 19:39:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_22 [2022-11-18 19:39:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_22 [2022-11-18 19:39:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_2 [2022-11-18 19:39:32,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_2 [2022-11-18 19:39:32,469 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2022-11-18 19:39:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2022-11-18 19:39:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-18 19:39:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-18 19:39:32,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_20 [2022-11-18 19:39:32,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_20 [2022-11-18 19:39:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-18 19:39:32,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-18 19:39:32,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-18 19:39:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-18 19:39:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:39:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-11-18 19:39:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-11-18 19:39:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure check_pending [2022-11-18 19:39:32,472 INFO L138 BoogieDeclarations]: Found implementation of procedure check_pending [2022-11-18 19:39:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-18 19:39:32,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 19:39:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_11 [2022-11-18 19:39:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_11 [2022-11-18 19:39:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2022-11-18 19:39:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2022-11-18 19:39:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure error_hangup [2022-11-18 19:39:32,473 INFO L138 BoogieDeclarations]: Found implementation of procedure error_hangup [2022-11-18 19:39:32,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_18 [2022-11-18 19:39:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_18 [2022-11-18 19:39:32,474 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2022-11-18 19:39:32,474 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2022-11-18 19:39:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_send_skb [2022-11-18 19:39:32,475 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_send_skb [2022-11-18 19:39:32,475 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2022-11-18 19:39:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2022-11-18 19:39:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 19:39:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 19:39:32,476 INFO L130 BoogieDeclarations]: Found specification of procedure req_submit [2022-11-18 19:39:32,476 INFO L138 BoogieDeclarations]: Found implementation of procedure req_submit [2022-11-18 19:39:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:39:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure read_int_callback [2022-11-18 19:39:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure read_int_callback [2022-11-18 19:39:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-18 19:39:32,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-18 19:39:32,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 19:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-11-18 19:39:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-11-18 19:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_statmsg [2022-11-18 19:39:32,478 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_statmsg [2022-11-18 19:39:32,478 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-18 19:39:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-18 19:39:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure read_ctrl_callback [2022-11-18 19:39:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure read_ctrl_callback [2022-11-18 19:39:32,479 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 19:39:32,479 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 19:39:32,480 INFO L130 BoogieDeclarations]: Found specification of procedure complete_cb [2022-11-18 19:39:32,480 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_cb [2022-11-18 19:39:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-18 19:39:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-18 19:39:32,483 INFO L130 BoogieDeclarations]: Found specification of procedure stopurbs [2022-11-18 19:39:32,483 INFO L138 BoogieDeclarations]: Found implementation of procedure stopurbs [2022-11-18 19:39:32,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-18 19:39:32,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-18 19:39:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2022-11-18 19:39:32,487 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2022-11-18 19:39:32,487 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-18 19:39:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-18 19:39:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_4 [2022-11-18 19:39:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_4 [2022-11-18 19:39:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2022-11-18 19:39:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2022-11-18 19:39:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_5 [2022-11-18 19:39:32,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_5 [2022-11-18 19:39:32,492 INFO L130 BoogieDeclarations]: Found specification of procedure int_in_work [2022-11-18 19:39:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure int_in_work [2022-11-18 19:39:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 19:39:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure dump_urb [2022-11-18 19:39:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_urb [2022-11-18 19:39:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-18 19:39:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-18 19:39:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-18 19:39:32,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-18 19:39:32,493 INFO L130 BoogieDeclarations]: Found specification of procedure atwrite_submit [2022-11-18 19:39:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure atwrite_submit [2022-11-18 19:39:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-18 19:39:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-18 19:39:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_4 [2022-11-18 19:39:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_4 [2022-11-18 19:39:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-11-18 19:39:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-11-18 19:39:32,494 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2022-11-18 19:39:32,494 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2022-11-18 19:39:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 19:39:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 19:39:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:39:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure get_usb_rcmsg [2022-11-18 19:39:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure get_usb_rcmsg [2022-11-18 19:39:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 19:39:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 19:39:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2022-11-18 19:39:32,495 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2022-11-18 19:39:32,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 19:39:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-18 19:39:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-18 19:39:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_4 [2022-11-18 19:39:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_4 [2022-11-18 19:39:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure error_reset [2022-11-18 19:39:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure error_reset [2022-11-18 19:39:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2022-11-18 19:39:32,496 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2022-11-18 19:39:32,496 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_isoc_input [2022-11-18 19:39:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_isoc_input [2022-11-18 19:39:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:39:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure write_command_callback [2022-11-18 19:39:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure write_command_callback [2022-11-18 19:39:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2022-11-18 19:39:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2022-11-18 19:39:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-18 19:39:32,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-18 19:39:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 19:39:32,497 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-18 19:39:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:39:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 19:39:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_4 [2022-11-18 19:39:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_4 [2022-11-18 19:39:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-18 19:39:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-18 19:39:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-18 19:39:32,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-18 19:39:32,498 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-18 19:39:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-18 19:39:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2022-11-18 19:39:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2022-11-18 19:39:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-18 19:39:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-18 19:39:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-18 19:39:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-18 19:39:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure update_basstate [2022-11-18 19:39:32,499 INFO L138 BoogieDeclarations]: Found implementation of procedure update_basstate [2022-11-18 19:39:32,499 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-18 19:39:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-18 19:39:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure write_ctrl_callback [2022-11-18 19:39:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure write_ctrl_callback [2022-11-18 19:39:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure read_iso_callback [2022-11-18 19:39:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure read_iso_callback [2022-11-18 19:39:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_41 [2022-11-18 19:39:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_41 [2022-11-18 19:39:32,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-18 19:39:32,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-18 19:39:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-18 19:39:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-18 19:39:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:39:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure atread_submit [2022-11-18 19:39:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure atread_submit [2022-11-18 19:39:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2022-11-18 19:39:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2022-11-18 19:39:32,501 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-18 19:39:32,501 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-18 19:39:32,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:39:32,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:39:33,443 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:39:33,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:39:33,802 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-18 19:39:35,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-18 19:39:41,486 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:39:41,518 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:39:41,519 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 19:39:41,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:39:41 BoogieIcfgContainer [2022-11-18 19:39:41,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:39:41,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:39:41,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:39:41,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:39:41,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:39:27" (1/3) ... [2022-11-18 19:39:41,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a366bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:39:41, skipping insertion in model container [2022-11-18 19:39:41,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:39:31" (2/3) ... [2022-11-18 19:39:41,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a366bbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:39:41, skipping insertion in model container [2022-11-18 19:39:41,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:39:41" (3/3) ... [2022-11-18 19:39:41,535 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--bas_gigaset.ko-entry_point.cil.out.i [2022-11-18 19:39:41,557 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:39:41,557 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 19:39:41,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:39:41,695 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;@6eea723b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:39:41,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 19:39:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 2076 states, 1431 states have (on average 1.3731656184486374) internal successors, (1965), 1506 states have internal predecessors, (1965), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) [2022-11-18 19:39:41,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-18 19:39:41,732 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:39:41,733 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:39:41,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:39:41,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:39:41,740 INFO L85 PathProgramCache]: Analyzing trace with hash -26004711, now seen corresponding path program 1 times [2022-11-18 19:39:41,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:39:41,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830415953] [2022-11-18 19:39:41,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:39:41,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:39:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:39:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:39:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:39:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:39:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:39:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:39:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-18 19:39:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:39:44,246 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:39:44,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:39:44,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830415953] [2022-11-18 19:39:44,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830415953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:39:44,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:39:44,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 19:39:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155961323] [2022-11-18 19:39:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:39:44,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 19:39:44,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:39:44,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 19:39:44,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:39:44,293 INFO L87 Difference]: Start difference. First operand has 2076 states, 1431 states have (on average 1.3731656184486374) internal successors, (1965), 1506 states have internal predecessors, (1965), 541 states have call successors, (541), 104 states have call predecessors, (541), 102 states have return successors, (531), 502 states have call predecessors, (531), 531 states have call successors, (531) Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 19:40:08,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:40:09,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:40:17,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:40:17,690 INFO L93 Difference]: Finished difference Result 9220 states and 14044 transitions. [2022-11-18 19:40:17,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-18 19:40:17,697 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 66 [2022-11-18 19:40:17,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:40:17,813 INFO L225 Difference]: With dead ends: 9220 [2022-11-18 19:40:17,813 INFO L226 Difference]: Without dead ends: 7107 [2022-11-18 19:40:17,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2022-11-18 19:40:17,854 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 11553 mSDsluCounter, 10582 mSDsCounter, 0 mSdLazyCounter, 13977 mSolverCounterSat, 6035 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12194 SdHoareTripleChecker+Valid, 13561 SdHoareTripleChecker+Invalid, 20012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6035 IncrementalHoareTripleChecker+Valid, 13977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2022-11-18 19:40:17,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12194 Valid, 13561 Invalid, 20012 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6035 Valid, 13977 Invalid, 0 Unknown, 0 Unchecked, 31.7s Time] [2022-11-18 19:40:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7107 states. [2022-11-18 19:40:18,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7107 to 5976. [2022-11-18 19:40:18,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 4134 states have (on average 1.3691340106434446) internal successors, (5660), 4313 states have internal predecessors, (5660), 1541 states have call successors, (1541), 301 states have call predecessors, (1541), 300 states have return successors, (1536), 1449 states have call predecessors, (1536), 1536 states have call successors, (1536) [2022-11-18 19:40:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 8737 transitions. [2022-11-18 19:40:18,491 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 8737 transitions. Word has length 66 [2022-11-18 19:40:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:40:18,494 INFO L495 AbstractCegarLoop]: Abstraction has 5976 states and 8737 transitions. [2022-11-18 19:40:18,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 19:40:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 8737 transitions. [2022-11-18 19:40:18,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-18 19:40:18,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:40:18,513 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:40:18,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:40:18,514 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:40:18,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:18,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1171543769, now seen corresponding path program 1 times [2022-11-18 19:40:18,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:18,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922227672] [2022-11-18 19:40:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:40:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:40:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:40:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:40:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:20,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:40:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:20,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:40:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:40:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:40:20,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:40:20,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922227672] [2022-11-18 19:40:20,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922227672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:40:20,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:40:20,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:40:20,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766104290] [2022-11-18 19:40:20,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:40:20,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:40:20,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:40:20,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:40:20,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:40:20,170 INFO L87 Difference]: Start difference. First operand 5976 states and 8737 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:40:43,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:40:43,672 INFO L93 Difference]: Finished difference Result 22199 states and 34263 transitions. [2022-11-18 19:40:43,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:40:43,673 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 69 [2022-11-18 19:40:43,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:40:43,842 INFO L225 Difference]: With dead ends: 22199 [2022-11-18 19:40:43,842 INFO L226 Difference]: Without dead ends: 16249 [2022-11-18 19:40:43,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:40:43,904 INFO L413 NwaCegarLoop]: 2700 mSDtfsCounter, 7410 mSDsluCounter, 5618 mSDsCounter, 0 mSdLazyCounter, 6894 mSolverCounterSat, 4583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7805 SdHoareTripleChecker+Valid, 8318 SdHoareTripleChecker+Invalid, 11477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4583 IncrementalHoareTripleChecker+Valid, 6894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:40:43,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7805 Valid, 8318 Invalid, 11477 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4583 Valid, 6894 Invalid, 0 Unknown, 0 Unchecked, 22.1s Time] [2022-11-18 19:40:43,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16249 states. [2022-11-18 19:40:45,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16249 to 13340. [2022-11-18 19:40:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13340 states, 9211 states have (on average 1.35750732819455) internal successors, (12504), 9613 states have internal predecessors, (12504), 3367 states have call successors, (3367), 600 states have call predecessors, (3367), 761 states have return successors, (4245), 3329 states have call predecessors, (4245), 3362 states have call successors, (4245) [2022-11-18 19:40:45,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13340 states to 13340 states and 20116 transitions. [2022-11-18 19:40:45,431 INFO L78 Accepts]: Start accepts. Automaton has 13340 states and 20116 transitions. Word has length 69 [2022-11-18 19:40:45,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:40:45,432 INFO L495 AbstractCegarLoop]: Abstraction has 13340 states and 20116 transitions. [2022-11-18 19:40:45,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:40:45,434 INFO L276 IsEmpty]: Start isEmpty. Operand 13340 states and 20116 transitions. [2022-11-18 19:40:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-18 19:40:45,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:40:45,438 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:40:45,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:40:45,438 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:40:45,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:40:45,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1957151569, now seen corresponding path program 1 times [2022-11-18 19:40:45,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:40:45,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651728775] [2022-11-18 19:40:45,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:40:45,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:40:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:40:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:40:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:40:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:40:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:40:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:40:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:40:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:40:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:40:46,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:40:46,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651728775] [2022-11-18 19:40:46,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651728775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:40:46,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:40:46,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:40:46,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979173449] [2022-11-18 19:40:46,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:40:46,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:40:46,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:40:46,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:40:46,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:40:46,751 INFO L87 Difference]: Start difference. First operand 13340 states and 20116 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:40:57,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:41:07,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:07,972 INFO L93 Difference]: Finished difference Result 45751 states and 72349 transitions. [2022-11-18 19:41:07,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:41:07,976 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 70 [2022-11-18 19:41:07,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:08,276 INFO L225 Difference]: With dead ends: 45751 [2022-11-18 19:41:08,277 INFO L226 Difference]: Without dead ends: 32437 [2022-11-18 19:41:08,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:41:08,385 INFO L413 NwaCegarLoop]: 2745 mSDtfsCounter, 8680 mSDsluCounter, 4759 mSDsCounter, 0 mSdLazyCounter, 5964 mSolverCounterSat, 6077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9080 SdHoareTripleChecker+Valid, 7504 SdHoareTripleChecker+Invalid, 12041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6077 IncrementalHoareTripleChecker+Valid, 5964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:08,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9080 Valid, 7504 Invalid, 12041 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6077 Valid, 5964 Invalid, 0 Unknown, 0 Unchecked, 19.1s Time] [2022-11-18 19:41:08,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32437 states. [2022-11-18 19:41:11,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32437 to 28057. [2022-11-18 19:41:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28057 states, 19354 states have (on average 1.3517102407771004) internal successors, (26161), 20202 states have internal predecessors, (26161), 7019 states have call successors, (7019), 1198 states have call predecessors, (7019), 1683 states have return successors, (10164), 7089 states have call predecessors, (10164), 7014 states have call successors, (10164) [2022-11-18 19:41:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28057 states to 28057 states and 43344 transitions. [2022-11-18 19:41:11,429 INFO L78 Accepts]: Start accepts. Automaton has 28057 states and 43344 transitions. Word has length 70 [2022-11-18 19:41:11,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:11,429 INFO L495 AbstractCegarLoop]: Abstraction has 28057 states and 43344 transitions. [2022-11-18 19:41:11,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:41:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 28057 states and 43344 transitions. [2022-11-18 19:41:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-18 19:41:11,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:11,432 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:11,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:41:11,433 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:41:11,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:11,433 INFO L85 PathProgramCache]: Analyzing trace with hash 541194460, now seen corresponding path program 1 times [2022-11-18 19:41:11,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:11,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44724314] [2022-11-18 19:41:11,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:11,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:41:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:11,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:41:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:41:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:41:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:41:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:41:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:41:12,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:12,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44724314] [2022-11-18 19:41:12,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44724314] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:12,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:12,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:41:12,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758020309] [2022-11-18 19:41:12,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:12,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:41:12,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:12,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:41:12,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:41:12,033 INFO L87 Difference]: Start difference. First operand 28057 states and 43344 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:41:31,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:31,087 INFO L93 Difference]: Finished difference Result 32435 states and 50584 transitions. [2022-11-18 19:41:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:41:31,088 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 71 [2022-11-18 19:41:31,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:31,306 INFO L225 Difference]: With dead ends: 32435 [2022-11-18 19:41:31,306 INFO L226 Difference]: Without dead ends: 32432 [2022-11-18 19:41:31,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:41:31,325 INFO L413 NwaCegarLoop]: 2702 mSDtfsCounter, 8712 mSDsluCounter, 4816 mSDsCounter, 0 mSdLazyCounter, 5967 mSolverCounterSat, 6076 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9114 SdHoareTripleChecker+Valid, 7518 SdHoareTripleChecker+Invalid, 12043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6076 IncrementalHoareTripleChecker+Valid, 5967 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:31,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9114 Valid, 7518 Invalid, 12043 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6076 Valid, 5967 Invalid, 0 Unknown, 0 Unchecked, 17.1s Time] [2022-11-18 19:41:31,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32432 states. [2022-11-18 19:41:33,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32432 to 28058. [2022-11-18 19:41:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28058 states, 19355 states have (on average 1.3516920692327563) internal successors, (26162), 20203 states have internal predecessors, (26162), 7019 states have call successors, (7019), 1198 states have call predecessors, (7019), 1683 states have return successors, (10164), 7089 states have call predecessors, (10164), 7014 states have call successors, (10164) [2022-11-18 19:41:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28058 states to 28058 states and 43345 transitions. [2022-11-18 19:41:34,101 INFO L78 Accepts]: Start accepts. Automaton has 28058 states and 43345 transitions. Word has length 71 [2022-11-18 19:41:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:34,101 INFO L495 AbstractCegarLoop]: Abstraction has 28058 states and 43345 transitions. [2022-11-18 19:41:34,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:41:34,102 INFO L276 IsEmpty]: Start isEmpty. Operand 28058 states and 43345 transitions. [2022-11-18 19:41:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-18 19:41:34,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:34,106 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:34,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:41:34,107 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:41:34,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:34,107 INFO L85 PathProgramCache]: Analyzing trace with hash -403798092, now seen corresponding path program 1 times [2022-11-18 19:41:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:34,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035746477] [2022-11-18 19:41:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:34,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:41:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:41:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:41:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:41:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:41:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:41:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:34,691 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:41:34,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:34,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035746477] [2022-11-18 19:41:34,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035746477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:34,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:34,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:41:34,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344058870] [2022-11-18 19:41:34,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:34,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:41:34,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:34,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:41:34,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:41:34,695 INFO L87 Difference]: Start difference. First operand 28058 states and 43345 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:41:47,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:41:47,797 INFO L93 Difference]: Finished difference Result 32431 states and 50580 transitions. [2022-11-18 19:41:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:41:47,798 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2022-11-18 19:41:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:41:48,090 INFO L225 Difference]: With dead ends: 32431 [2022-11-18 19:41:48,091 INFO L226 Difference]: Without dead ends: 32428 [2022-11-18 19:41:48,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:41:48,119 INFO L413 NwaCegarLoop]: 2239 mSDtfsCounter, 5048 mSDsluCounter, 3253 mSDsCounter, 0 mSdLazyCounter, 3503 mSolverCounterSat, 2762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5343 SdHoareTripleChecker+Valid, 5492 SdHoareTripleChecker+Invalid, 6265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2762 IncrementalHoareTripleChecker+Valid, 3503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-18 19:41:48,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5343 Valid, 5492 Invalid, 6265 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2762 Valid, 3503 Invalid, 0 Unknown, 0 Unchecked, 11.2s Time] [2022-11-18 19:41:48,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32428 states. [2022-11-18 19:41:50,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32428 to 28057. [2022-11-18 19:41:50,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28057 states, 19355 states have (on average 1.3516404029966418) internal successors, (26161), 20202 states have internal predecessors, (26161), 7018 states have call successors, (7018), 1198 states have call predecessors, (7018), 1683 states have return successors, (10164), 7089 states have call predecessors, (10164), 7014 states have call successors, (10164) [2022-11-18 19:41:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28057 states to 28057 states and 43343 transitions. [2022-11-18 19:41:50,765 INFO L78 Accepts]: Start accepts. Automaton has 28057 states and 43343 transitions. Word has length 72 [2022-11-18 19:41:50,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:41:50,767 INFO L495 AbstractCegarLoop]: Abstraction has 28057 states and 43343 transitions. [2022-11-18 19:41:50,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:41:50,768 INFO L276 IsEmpty]: Start isEmpty. Operand 28057 states and 43343 transitions. [2022-11-18 19:41:50,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-18 19:41:50,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:41:50,774 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:41:50,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:41:50,775 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:41:50,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:41:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash 366208735, now seen corresponding path program 1 times [2022-11-18 19:41:50,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:41:50,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351003806] [2022-11-18 19:41:50,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:41:50,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:41:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:41:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:41:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:41:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:41:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:41:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:41:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:41:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:41:51,380 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-18 19:41:51,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:41:51,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351003806] [2022-11-18 19:41:51,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351003806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:41:51,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:41:51,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 19:41:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996856530] [2022-11-18 19:41:51,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:41:51,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 19:41:51,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:41:51,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 19:41:51,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:41:51,385 INFO L87 Difference]: Start difference. First operand 28057 states and 43343 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:42:00,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:42:03,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:03,983 INFO L93 Difference]: Finished difference Result 32430 states and 50578 transitions. [2022-11-18 19:42:03,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 19:42:03,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 73 [2022-11-18 19:42:03,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:04,219 INFO L225 Difference]: With dead ends: 32430 [2022-11-18 19:42:04,219 INFO L226 Difference]: Without dead ends: 32373 [2022-11-18 19:42:04,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-18 19:42:04,248 INFO L413 NwaCegarLoop]: 2208 mSDtfsCounter, 5772 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 2927 mSolverCounterSat, 3588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6067 SdHoareTripleChecker+Valid, 4759 SdHoareTripleChecker+Invalid, 6515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3588 IncrementalHoareTripleChecker+Valid, 2927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:04,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6067 Valid, 4759 Invalid, 6515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3588 Valid, 2927 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-11-18 19:42:04,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32373 states. [2022-11-18 19:42:06,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32373 to 28002. [2022-11-18 19:42:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28002 states, 19313 states have (on average 1.351731993993683) internal successors, (26106), 20159 states have internal predecessors, (26106), 7007 states have call successors, (7007), 1196 states have call predecessors, (7007), 1681 states have return successors, (10154), 7079 states have call predecessors, (10154), 7004 states have call successors, (10154) [2022-11-18 19:42:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28002 states to 28002 states and 43267 transitions. [2022-11-18 19:42:06,929 INFO L78 Accepts]: Start accepts. Automaton has 28002 states and 43267 transitions. Word has length 73 [2022-11-18 19:42:06,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:42:06,930 INFO L495 AbstractCegarLoop]: Abstraction has 28002 states and 43267 transitions. [2022-11-18 19:42:06,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 19:42:06,931 INFO L276 IsEmpty]: Start isEmpty. Operand 28002 states and 43267 transitions. [2022-11-18 19:42:07,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-11-18 19:42:07,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:42:07,029 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:42:07,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:42:07,030 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:42:07,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:42:07,031 INFO L85 PathProgramCache]: Analyzing trace with hash -260187333, now seen corresponding path program 1 times [2022-11-18 19:42:07,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:42:07,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591714660] [2022-11-18 19:42:07,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:42:07,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:42:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:42:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:42:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:42:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:42:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:42:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:42:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-18 19:42:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 19:42:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-18 19:42:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-18 19:42:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-18 19:42:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:42:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:42:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-11-18 19:42:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:42:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:42:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:42:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:42:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:42:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 19:42:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:42:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:42:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 19:42:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-18 19:42:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-11-18 19:42:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-11-18 19:42:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:42:07,932 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-18 19:42:07,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:42:07,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591714660] [2022-11-18 19:42:07,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591714660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:42:07,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:42:07,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 19:42:07,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387348225] [2022-11-18 19:42:07,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:42:07,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:42:07,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:42:07,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:42:07,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:42:07,936 INFO L87 Difference]: Start difference. First operand 28002 states and 43267 transitions. Second operand has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:42:31,334 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 [] [2022-11-18 19:42:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:42:54,550 INFO L93 Difference]: Finished difference Result 106837 states and 168128 transitions. [2022-11-18 19:42:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-18 19:42:54,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 202 [2022-11-18 19:42:54,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:42:55,364 INFO L225 Difference]: With dead ends: 106837 [2022-11-18 19:42:55,364 INFO L226 Difference]: Without dead ends: 78861 [2022-11-18 19:42:55,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812 [2022-11-18 19:42:55,579 INFO L413 NwaCegarLoop]: 2341 mSDtfsCounter, 16195 mSDsluCounter, 8008 mSDsCounter, 0 mSdLazyCounter, 13906 mSolverCounterSat, 14877 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16691 SdHoareTripleChecker+Valid, 10349 SdHoareTripleChecker+Invalid, 28784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 14877 IncrementalHoareTripleChecker+Valid, 13906 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:42:55,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16691 Valid, 10349 Invalid, 28784 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [14877 Valid, 13906 Invalid, 1 Unknown, 0 Unchecked, 39.1s Time] [2022-11-18 19:42:55,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78861 states. [2022-11-18 19:43:01,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78861 to 55559. [2022-11-18 19:43:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55559 states, 37767 states have (on average 1.343236158551116) internal successors, (50730), 39532 states have internal predecessors, (50730), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-11-18 19:43:01,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55559 states to 55559 states and 84167 transitions. [2022-11-18 19:43:01,950 INFO L78 Accepts]: Start accepts. Automaton has 55559 states and 84167 transitions. Word has length 202 [2022-11-18 19:43:01,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:01,950 INFO L495 AbstractCegarLoop]: Abstraction has 55559 states and 84167 transitions. [2022-11-18 19:43:01,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.9) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (27), 9 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-18 19:43:01,951 INFO L276 IsEmpty]: Start isEmpty. Operand 55559 states and 84167 transitions. [2022-11-18 19:43:02,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-18 19:43:02,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:02,106 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:43:02,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:43:02,107 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:02,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:02,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1494715425, now seen corresponding path program 1 times [2022-11-18 19:43:02,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:02,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063642091] [2022-11-18 19:43:02,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:02,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:43:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:43:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:43:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:43:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:43:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:43:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-18 19:43:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-18 19:43:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-18 19:43:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-18 19:43:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-18 19:43:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:43:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-11-18 19:43:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-11-18 19:43:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:43:03,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 19:43:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 19:43:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-18 19:43:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-18 19:43:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 19:43:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-18 19:43:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-11-18 19:43:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-11-18 19:43:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 19:43:03,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:03,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063642091] [2022-11-18 19:43:03,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063642091] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:03,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:03,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-18 19:43:03,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336719614] [2022-11-18 19:43:03,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:03,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-18 19:43:03,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:03,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-18 19:43:03,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-18 19:43:03,701 INFO L87 Difference]: Start difference. First operand 55559 states and 84167 transitions. Second operand has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:43:20,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:23,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:43:24,451 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 [] [2022-11-18 19:43:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:43:41,778 INFO L93 Difference]: Finished difference Result 140431 states and 227772 transitions. [2022-11-18 19:43:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 19:43:41,779 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 232 [2022-11-18 19:43:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:43:42,646 INFO L225 Difference]: With dead ends: 140431 [2022-11-18 19:43:42,646 INFO L226 Difference]: Without dead ends: 84898 [2022-11-18 19:43:42,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2022-11-18 19:43:42,970 INFO L413 NwaCegarLoop]: 2613 mSDtfsCounter, 11245 mSDsluCounter, 11553 mSDsCounter, 0 mSdLazyCounter, 10887 mSolverCounterSat, 9966 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11609 SdHoareTripleChecker+Valid, 14166 SdHoareTripleChecker+Invalid, 20854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 9966 IncrementalHoareTripleChecker+Valid, 10887 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2022-11-18 19:43:42,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11609 Valid, 14166 Invalid, 20854 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [9966 Valid, 10887 Invalid, 1 Unknown, 0 Unchecked, 28.1s Time] [2022-11-18 19:43:43,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84898 states. [2022-11-18 19:43:49,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84898 to 55591. [2022-11-18 19:43:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55591 states, 37799 states have (on average 1.3427868462128627) internal successors, (50756), 39564 states have internal predecessors, (50756), 14629 states have call successors, (14629), 2299 states have call predecessors, (14629), 3162 states have return successors, (18808), 14782 states have call predecessors, (18808), 14626 states have call successors, (18808) [2022-11-18 19:43:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55591 states to 55591 states and 84193 transitions. [2022-11-18 19:43:49,649 INFO L78 Accepts]: Start accepts. Automaton has 55591 states and 84193 transitions. Word has length 232 [2022-11-18 19:43:49,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 19:43:49,650 INFO L495 AbstractCegarLoop]: Abstraction has 55591 states and 84193 transitions. [2022-11-18 19:43:49,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.666666666666666) internal successors, (128), 5 states have internal predecessors, (128), 2 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-18 19:43:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 55591 states and 84193 transitions. [2022-11-18 19:43:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-18 19:43:49,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 19:43:49,762 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:43:49,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:43:49,762 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 19:43:49,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:43:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1254091088, now seen corresponding path program 1 times [2022-11-18 19:43:49,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:43:49,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499885281] [2022-11-18 19:43:49,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:43:49,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:43:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 19:43:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 19:43:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-18 19:43:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 19:43:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-18 19:43:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-18 19:43:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-18 19:43:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 19:43:50,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-18 19:43:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-18 19:43:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-18 19:43:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-18 19:43:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-18 19:43:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-18 19:43:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-18 19:43:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-18 19:43:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-18 19:43:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 19:43:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-18 19:43:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-18 19:43:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-18 19:43:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 19:43:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-18 19:43:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-18 19:43:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-18 19:43:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-18 19:43:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:51,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-18 19:43:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:43:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 19:43:51,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:43:51,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499885281] [2022-11-18 19:43:51,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499885281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:43:51,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:43:51,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 19:43:51,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856910641] [2022-11-18 19:43:51,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:43:51,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 19:43:51,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:43:51,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 19:43:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-11-18 19:43:51,265 INFO L87 Difference]: Start difference. First operand 55591 states and 84193 transitions. Second operand has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-18 19:44:20,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:22,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:25,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:26,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:28,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:44:30,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 19:45:01,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:45:01,125 INFO L93 Difference]: Finished difference Result 187315 states and 302429 transitions. [2022-11-18 19:45:01,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-18 19:45:01,126 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.909090909090908) internal successors, (131), 4 states have internal predecessors, (131), 3 states have call successors, (29), 9 states have call predecessors, (29), 2 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 238 [2022-11-18 19:45:01,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 19:45:02,291 INFO L225 Difference]: With dead ends: 187315 [2022-11-18 19:45:02,291 INFO L226 Difference]: Without dead ends: 131750 [2022-11-18 19:45:02,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=351, Invalid=1131, Unknown=0, NotChecked=0, Total=1482 [2022-11-18 19:45:02,617 INFO L413 NwaCegarLoop]: 3930 mSDtfsCounter, 12791 mSDsluCounter, 14456 mSDsCounter, 0 mSdLazyCounter, 17927 mSolverCounterSat, 13984 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13350 SdHoareTripleChecker+Valid, 18386 SdHoareTripleChecker+Invalid, 31912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 13984 IncrementalHoareTripleChecker+Valid, 17927 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.8s IncrementalHoareTripleChecker+Time [2022-11-18 19:45:02,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13350 Valid, 18386 Invalid, 31912 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [13984 Valid, 17927 Invalid, 1 Unknown, 0 Unchecked, 51.8s Time] [2022-11-18 19:45:02,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131750 states.