./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:16:20,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:16:20,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:16:20,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:16:20,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:16:20,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:16:20,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:16:20,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:16:20,808 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:16:20,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:16:20,810 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:16:20,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:16:20,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:16:20,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:16:20,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:16:20,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:16:20,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:16:20,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:16:20,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:16:20,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:16:20,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:16:20,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:16:20,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:16:20,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:16:20,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:16:20,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:16:20,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:16:20,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:16:20,838 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:16:20,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:16:20,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:16:20,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:16:20,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:16:20,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:16:20,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:16:20,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:16:20,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:16:20,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:16:20,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:16:20,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:16:20,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:16:20,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:16:20,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:16:20,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:16:20,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:16:20,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:16:20,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:16:20,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:16:20,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:16:20,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:16:20,881 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:16:20,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:16:20,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:16:20,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:16:20,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:16:20,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:16:20,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:16:20,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:16:20,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:16:20,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:16:20,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:16:20,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:16:20,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:16:20,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:16:20,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:16:20,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:16:20,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:16:20,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:16:20,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:16:20,886 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:16:20,886 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:16:20,887 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:16:20,887 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_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa2b7015249343fdf8056852ea29542152fe4e2fe5328579e80867d2e6b2b327 [2022-11-02 20:16:21,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:16:21,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:16:21,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:16:21,335 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:16:21,336 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:16:21,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2022-11-02 20:16:21,428 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/data/ebf05061e/b511796d19404984af48fe2f35275785/FLAG1141ee22b [2022-11-02 20:16:22,547 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:16:22,547 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2022-11-02 20:16:22,619 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/data/ebf05061e/b511796d19404984af48fe2f35275785/FLAG1141ee22b [2022-11-02 20:16:22,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/data/ebf05061e/b511796d19404984af48fe2f35275785 [2022-11-02 20:16:22,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:16:22,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:16:22,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:16:22,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:16:22,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:16:22,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:16:22" (1/1) ... [2022-11-02 20:16:22,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475bab74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:22, skipping insertion in model container [2022-11-02 20:16:22,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:16:22" (1/1) ... [2022-11-02 20:16:22,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:16:23,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:16:23,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2022-11-02 20:16:26,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:16:26,939 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:16:27,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/sv-benchmarks/c/ldv-validator-v0.6/linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i[81795,81808] [2022-11-02 20:16:27,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:16:27,801 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:16:27,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27 WrapperNode [2022-11-02 20:16:27,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:16:27,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:16:27,807 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:16:27,807 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:16:27,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,369 INFO L138 Inliner]: procedures = 414, calls = 5134, calls flagged for inlining = 149, calls inlined = 134, statements flattened = 10048 [2022-11-02 20:16:28,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:16:28,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:16:28,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:16:28,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:16:28,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,895 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,933 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:28,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:29,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:16:29,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:16:29,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:16:29,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:16:29,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (1/1) ... [2022-11-02 20:16:29,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:16:29,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:16:29,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:16:29,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_63436e39-ae12-4951-b19e-c3c0bb30b353/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:16:29,114 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2022-11-02 20:16:29,114 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2022-11-02 20:16:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure poll_def_tmr [2022-11-02 20:16:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_def_tmr [2022-11-02 20:16:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2022-11-02 20:16:29,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2022-11-02 20:16:29,115 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2022-11-02 20:16:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2022-11-02 20:16:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-02 20:16:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-02 20:16:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:16:29,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:16:29,116 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_output [2022-11-02 20:16:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_output [2022-11-02 20:16:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2022-11-02 20:16:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2022-11-02 20:16:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2022-11-02 20:16:29,117 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2022-11-02 20:16:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_release [2022-11-02 20:16:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_release [2022-11-02 20:16:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure local_start_dma [2022-11-02 20:16:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure local_start_dma [2022-11-02 20:16:29,118 INFO L130 BoogieDeclarations]: Found specification of procedure translate_bytes [2022-11-02 20:16:29,118 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_bytes [2022-11-02 20:16:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-02 20:16:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2022-11-02 20:16:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2022-11-02 20:16:29,119 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-02 20:16:29,119 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-02 20:16:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_sync [2022-11-02 20:16:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_sync [2022-11-02 20:16:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2022-11-02 20:16:29,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2022-11-02 20:16:29,120 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_launch_output [2022-11-02 20:16:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_launch_output [2022-11-02 20:16:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-02 20:16:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-02 20:16:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_soundcard_mutex [2022-11-02 20:16:29,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_soundcard_mutex [2022-11-02 20:16:29,121 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:16:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:16:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:16:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_space_in_queue [2022-11-02 20:16:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_space_in_queue [2022-11-02 20:16:29,122 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2022-11-02 20:16:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2022-11-02 20:16:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure enable_dma [2022-11-02 20:16:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_dma [2022-11-02 20:16:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2022-11-02 20:16:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2022-11-02 20:16:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-02 20:16:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-02 20:16:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2022-11-02 20:16:29,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2022-11-02 20:16:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:16:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:16:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:16:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mixer_ioctl [2022-11-02 20:16:29,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mixer_ioctl [2022-11-02 20:16:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:16:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure midi_poll [2022-11-02 20:16:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_poll [2022-11-02 20:16:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2022-11-02 20:16:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2022-11-02 20:16:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure dma_subdivide [2022-11-02 20:16:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_subdivide [2022-11-02 20:16:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:16:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_activate_recording [2022-11-02 20:16:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_activate_recording [2022-11-02 20:16:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-02 20:16:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-02 20:16:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-02 20:16:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-02 20:16:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:16:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:16:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sync [2022-11-02 20:16:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sync [2022-11-02 20:16:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2022-11-02 20:16:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2022-11-02 20:16:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_sound_special [2022-11-02 20:16:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_sound_special [2022-11-02 20:16:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure close_dmap [2022-11-02 20:16:29,129 INFO L138 BoogieDeclarations]: Found implementation of procedure close_dmap [2022-11-02 20:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2022-11-02 20:16:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2022-11-02 20:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-02 20:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-02 20:16:29,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-02 20:16:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-02 20:16:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-02 20:16:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2022-11-02 20:16:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2022-11-02 20:16:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure register_sound_special [2022-11-02 20:16:29,131 INFO L138 BoogieDeclarations]: Found implementation of procedure register_sound_special [2022-11-02 20:16:29,131 INFO L130 BoogieDeclarations]: Found specification of procedure sound_mmap [2022-11-02 20:16:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_mmap [2022-11-02 20:16:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-02 20:16:29,132 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-02 20:16:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:16:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure claim_dma_lock [2022-11-02 20:16:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_dma_lock [2022-11-02 20:16:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2022-11-02 20:16:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2022-11-02 20:16:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:16:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:16:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:16:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure dma_reset_input [2022-11-02 20:16:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_reset_input [2022-11-02 20:16:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on_timeout [2022-11-02 20:16:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on_timeout [2022-11-02 20:16:29,134 INFO L130 BoogieDeclarations]: Found specification of procedure set_format [2022-11-02 20:16:29,134 INFO L138 BoogieDeclarations]: Found implementation of procedure set_format [2022-11-02 20:16:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_reset [2022-11-02 20:16:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_reset [2022-11-02 20:16:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-02 20:16:29,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-02 20:16:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure seq_reset [2022-11-02 20:16:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_reset [2022-11-02 20:16:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-02 20:16:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-02 20:16:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure seq_drain_midi_queues [2022-11-02 20:16:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_drain_midi_queues [2022-11-02 20:16:29,136 INFO L130 BoogieDeclarations]: Found specification of procedure dma_ioctl [2022-11-02 20:16:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_ioctl [2022-11-02 20:16:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_soundcard_mutex [2022-11-02 20:16:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_soundcard_mutex [2022-11-02 20:16:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-02 20:16:29,137 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-02 20:16:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2022-11-02 20:16:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2022-11-02 20:16:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2022-11-02 20:16:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2022-11-02 20:16:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-02 20:16:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-02 20:16:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_dereference [2022-11-02 20:16:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_dereference [2022-11-02 20:16:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:16:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:16:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:16:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:16:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2022-11-02 20:16:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2022-11-02 20:16:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dma_ff [2022-11-02 20:16:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dma_ff [2022-11-02 20:16:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2022-11-02 20:16:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2022-11-02 20:16:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-02 20:16:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-02 20:16:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:16:29,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-02 20:16:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:16:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:16:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:16:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:16:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:16:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:16:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-02 20:16:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2022-11-02 20:16:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2022-11-02 20:16:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure translate_mode [2022-11-02 20:16:29,143 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_mode [2022-11-02 20:16:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get___0 [2022-11-02 20:16:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get___0 [2022-11-02 20:16:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_move_wrpointer [2022-11-02 20:16:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_move_wrpointer [2022-11-02 20:16:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-02 20:16:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-02 20:16:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2022-11-02 20:16:29,144 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2022-11-02 20:16:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:16:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:16:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure sound_stop_timer [2022-11-02 20:16:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_stop_timer [2022-11-02 20:16:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2022-11-02 20:16:29,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2022-11-02 20:16:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:16:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:16:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:16:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:16:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-02 20:16:29,146 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-02 20:16:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-02 20:16:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-02 20:16:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2022-11-02 20:16:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2022-11-02 20:16:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2022-11-02 20:16:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2022-11-02 20:16:29,147 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-02 20:16:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-02 20:16:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2022-11-02 20:16:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2022-11-02 20:16:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:16:29,148 INFO L130 BoogieDeclarations]: Found specification of procedure sound_free_dmap [2022-11-02 20:16:29,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_free_dmap [2022-11-02 20:16:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-11-02 20:16:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-11-02 20:16:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:16:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-02 20:16:29,149 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-02 20:16:29,149 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2022-11-02 20:16:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2022-11-02 20:16:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure midi_outc___0 [2022-11-02 20:16:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure midi_outc___0 [2022-11-02 20:16:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-02 20:16:29,150 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-02 20:16:29,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2022-11-02 20:16:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2022-11-02 20:16:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure dmabuf_timeout [2022-11-02 20:16:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dmabuf_timeout [2022-11-02 20:16:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2022-11-02 20:16:29,151 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2022-11-02 20:16:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:16:29,151 INFO L130 BoogieDeclarations]: Found specification of procedure module_is_live [2022-11-02 20:16:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure module_is_live [2022-11-02 20:16:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:16:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:16:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure sound_start_dma [2022-11-02 20:16:29,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_start_dma [2022-11-02 20:16:29,152 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2022-11-02 20:16:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2022-11-02 20:16:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-02 20:16:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-02 20:16:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-02 20:16:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-02 20:16:29,153 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2022-11-02 20:16:29,153 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2022-11-02 20:16:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2022-11-02 20:16:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2022-11-02 20:16:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure interruptible_sleep_on [2022-11-02 20:16:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure interruptible_sleep_on [2022-11-02 20:16:29,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:16:29,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:16:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure waitqueue_active [2022-11-02 20:16:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure waitqueue_active [2022-11-02 20:16:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure sound_alloc_dmap [2022-11-02 20:16:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_alloc_dmap [2022-11-02 20:16:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_fragment [2022-11-02 20:16:29,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_fragment [2022-11-02 20:16:29,155 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2022-11-02 20:16:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2022-11-02 20:16:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2022-11-02 20:16:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2022-11-02 20:16:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2022-11-02 20:16:29,156 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2022-11-02 20:16:29,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 20:16:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 20:16:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_residue [2022-11-02 20:16:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_residue [2022-11-02 20:16:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure sync_output [2022-11-02 20:16:29,157 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_output [2022-11-02 20:16:29,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:16:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:16:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:16:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-02 20:16:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-02 20:16:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure open_dmap [2022-11-02 20:16:29,158 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dmap [2022-11-02 20:16:29,158 INFO L130 BoogieDeclarations]: Found specification of procedure release_dma_lock [2022-11-02 20:16:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure release_dma_lock [2022-11-02 20:16:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-02 20:16:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-02 20:16:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure sound_poll [2022-11-02 20:16:29,159 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_poll [2022-11-02 20:16:29,159 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:16:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:16:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure do_sequencer_timer [2022-11-02 20:16:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure do_sequencer_timer [2022-11-02 20:16:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure disable_dma [2022-11-02 20:16:29,160 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_dma [2022-11-02 20:16:29,160 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2022-11-02 20:16:29,161 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2022-11-02 20:16:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-02 20:16:29,161 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-02 20:16:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:16:29,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:16:29,161 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2022-11-02 20:16:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2022-11-02 20:16:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure DMAbuf_get_buffer_pointer [2022-11-02 20:16:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure DMAbuf_get_buffer_pointer [2022-11-02 20:16:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure sound_write [2022-11-02 20:16:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure sound_write [2022-11-02 20:16:29,162 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2022-11-02 20:16:29,162 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2022-11-02 20:16:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure reorganize_buffers [2022-11-02 20:16:29,163 INFO L138 BoogieDeclarations]: Found implementation of procedure reorganize_buffers [2022-11-02 20:16:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-02 20:16:29,163 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-02 20:16:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-02 20:16:29,163 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-02 20:16:29,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:16:29,164 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2022-11-02 20:16:29,164 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2022-11-02 20:16:30,569 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:16:30,591 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:16:31,507 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:16:31,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume 0 != ~tmp___1~3;#res := ~ret~3; [2022-11-02 20:16:31,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3836: assume !(0 != ~tmp___1~3);#res := ~ret~3; [2022-11-02 20:16:31,666 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3803: havoc #t~switch115; [2022-11-02 20:16:31,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume #t~switch115; [2022-11-02 20:16:31,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3832: assume !#t~switch115;#t~switch115 := true; [2022-11-02 20:16:31,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume 0 != ~tmp___0~8;#res := ~ret~3; [2022-11-02 20:16:31,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3824: assume !(0 != ~tmp___0~8);#res := ~ret~3; [2022-11-02 20:16:31,667 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume #t~switch115; [2022-11-02 20:16:31,668 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3820: assume !#t~switch115;#t~switch115 := #t~switch115 || 16 == ~size; [2022-11-02 20:16:31,668 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume #t~switch115;#res := ~ret~3; [2022-11-02 20:16:31,668 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3816: assume !#t~switch115;#t~switch115 := #t~switch115 || 10 == ~size; [2022-11-02 20:16:31,668 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch115;#res := ~ret~3; [2022-11-02 20:16:31,669 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume #t~switch115;#res := ~ret~3; [2022-11-02 20:16:31,669 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3812: assume !#t~switch115;#t~switch115 := #t~switch115 || 8 == ~size; [2022-11-02 20:16:31,669 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845-1: ~tmp___2~2 := #t~ret118;havoc #t~ret118;#res := (if ~tmp___2~2 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~2 % 18446744073709551616 % 4294967296 else ~tmp___2~2 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-02 20:16:31,669 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3845: SUMMARY for call #t~ret118 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-11-02 20:16:31,670 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch115;#t~switch115 := #t~switch115 || 2 == ~size; [2022-11-02 20:16:31,670 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume #t~switch115;#res := ~ret~3; [2022-11-02 20:16:31,670 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3808: assume !#t~switch115;#t~switch115 := #t~switch115 || 4 == ~size; [2022-11-02 20:16:31,670 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835-1: assume -9223372036854775808 <= #t~ret117 && #t~ret117 <= 9223372036854775807;~tmp___1~3 := #t~ret117;havoc #t~ret117; [2022-11-02 20:16:31,670 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3835: SUMMARY for call #t~ret117 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2022-11-02 20:16:31,671 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823-1: assume -9223372036854775808 <= #t~ret116 && #t~ret116 <= 9223372036854775807;~tmp___0~8 := #t~ret116;havoc #t~ret116; [2022-11-02 20:16:31,671 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3823: SUMMARY for call #t~ret116 := ldv__builtin_expect((if 0 != ~ret~3 then 1 else 0), 0); srcloc: null [2022-11-02 20:16:31,671 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume #t~switch115; [2022-11-02 20:16:31,671 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3844: assume !#t~switch115; [2022-11-02 20:16:46,312 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3738: havoc __copy_from_user_#t~switch110#1; [2022-11-02 20:16:46,312 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,312 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3744: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 4 == __copy_from_user_~size#1; [2022-11-02 20:16:46,312 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,312 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3749: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 8 == __copy_from_user_~size#1; [2022-11-02 20:16:46,312 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3754: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 10 == __copy_from_user_~size#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume __copy_from_user_#t~switch110#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3759: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 16 == __copy_from_user_~size#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763-1: assume -9223372036854775808 <= __copy_from_user_#t~ret111#1 && __copy_from_user_#t~ret111#1 <= 9223372036854775807;__copy_from_user_~tmp___0~7#1 := __copy_from_user_#t~ret111#1;havoc __copy_from_user_#t~ret111#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3763: SUMMARY for call __copy_from_user_#t~ret111#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume 0 != __copy_from_user_~tmp___0~7#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3764: assume !(0 != __copy_from_user_~tmp___0~7#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume __copy_from_user_#t~switch110#1; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3772: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := true; [2022-11-02 20:16:46,313 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776: SUMMARY for call __copy_from_user_#t~ret112#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3776-1: assume -9223372036854775808 <= __copy_from_user_#t~ret112#1 && __copy_from_user_#t~ret112#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret112#1;havoc __copy_from_user_#t~ret112#1; [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3777: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume __copy_from_user_#t~switch110#1; [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3785: assume !__copy_from_user_#t~switch110#1; [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786: SUMMARY for call __copy_from_user_#t~ret113#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L3786-1: __copy_from_user_~tmp___2~1#1 := __copy_from_user_#t~ret113#1;havoc __copy_from_user_#t~ret113#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##704: assume !__copy_from_user_#t~switch110#1;__copy_from_user_#t~switch110#1 := __copy_from_user_#t~switch110#1 || 2 == __copy_from_user_~size#1; [2022-11-02 20:16:46,314 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##703: assume __copy_from_user_#t~switch110#1;__copy_from_user_#res#1 := __copy_from_user_~ret~2#1; [2022-11-02 20:16:46,471 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:16:46,598 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:16:46,599 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:16:46,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:16:46 BoogieIcfgContainer [2022-11-02 20:16:46,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:16:46,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:16:46,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:16:46,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:16:46,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:16:22" (1/3) ... [2022-11-02 20:16:46,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d6f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:16:46, skipping insertion in model container [2022-11-02 20:16:46,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:16:27" (2/3) ... [2022-11-02 20:16:46,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d6f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:16:46, skipping insertion in model container [2022-11-02 20:16:46,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:16:46" (3/3) ... [2022-11-02 20:16:46,614 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-torvalds-645ef9e-32_7a-sound--oss--sound.ko-entry_point.cil.out.i [2022-11-02 20:16:46,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:16:46,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:16:46,778 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:16:46,788 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;@4c2fa6cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:16:46,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:16:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 3787 states, 2893 states have (on average 1.5074317317663326) internal successors, (4361), 2997 states have internal predecessors, (4361), 757 states have call successors, (757), 136 states have call predecessors, (757), 135 states have return successors, (749), 721 states have call predecessors, (749), 749 states have call successors, (749) [2022-11-02 20:16:46,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-02 20:16:46,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:16:46,832 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:16:46,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:16:46,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:16:46,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1565309311, now seen corresponding path program 1 times [2022-11-02 20:16:46,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:16:46,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964258901] [2022-11-02 20:16:46,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:16:46,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:16:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:16:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:16:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:16:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:16:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:16:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:16:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-11-02 20:16:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:16:47,854 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-02 20:16:47,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:16:47,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964258901] [2022-11-02 20:16:47,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964258901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:16:47,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:16:47,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:16:47,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313554963] [2022-11-02 20:16:47,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:16:47,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:16:47,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:16:47,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:16:47,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:16:47,916 INFO L87 Difference]: Start difference. First operand has 3787 states, 2893 states have (on average 1.5074317317663326) internal successors, (4361), 2997 states have internal predecessors, (4361), 757 states have call successors, (757), 136 states have call predecessors, (757), 135 states have return successors, (749), 721 states have call predecessors, (749), 749 states have call successors, (749) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:17:00,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:17:04,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:17:05,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:05,656 INFO L93 Difference]: Finished difference Result 9183 states and 14360 transitions. [2022-11-02 20:17:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:17:05,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2022-11-02 20:17:05,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:05,750 INFO L225 Difference]: With dead ends: 9183 [2022-11-02 20:17:05,750 INFO L226 Difference]: Without dead ends: 5374 [2022-11-02 20:17:05,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:17:05,783 INFO L413 NwaCegarLoop]: 5662 mSDtfsCounter, 3984 mSDsluCounter, 6808 mSDsCounter, 0 mSdLazyCounter, 3615 mSolverCounterSat, 1369 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4286 SdHoareTripleChecker+Valid, 12470 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 3615 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:05,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4286 Valid, 12470 Invalid, 4985 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1369 Valid, 3615 Invalid, 1 Unknown, 0 Unchecked, 17.0s Time] [2022-11-02 20:17:05,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2022-11-02 20:17:06,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 4841. [2022-11-02 20:17:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3713 states have (on average 1.5025585779692971) internal successors, (5579), 3844 states have internal predecessors, (5579), 935 states have call successors, (935), 193 states have call predecessors, (935), 192 states have return successors, (931), 887 states have call predecessors, (931), 931 states have call successors, (931) [2022-11-02 20:17:06,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7445 transitions. [2022-11-02 20:17:06,222 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7445 transitions. Word has length 56 [2022-11-02 20:17:06,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:06,223 INFO L495 AbstractCegarLoop]: Abstraction has 4841 states and 7445 transitions. [2022-11-02 20:17:06,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:17:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7445 transitions. [2022-11-02 20:17:06,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 20:17:06,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:06,232 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:06,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:17:06,233 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:06,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:06,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1168157038, now seen corresponding path program 1 times [2022-11-02 20:17:06,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:06,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747657439] [2022-11-02 20:17:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:06,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:17:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:17:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:17:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:17:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:17:06,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:17:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:17:06,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-02 20:17:06,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:06,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747657439] [2022-11-02 20:17:06,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747657439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:06,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:06,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:17:06,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923244406] [2022-11-02 20:17:06,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:06,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:17:06,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:06,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:17:06,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:17:06,893 INFO L87 Difference]: Start difference. First operand 4841 states and 7445 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:17:16,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:17:19,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:17:21,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:21,420 INFO L93 Difference]: Finished difference Result 10192 states and 15811 transitions. [2022-11-02 20:17:21,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:17:21,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 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 65 [2022-11-02 20:17:21,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:21,462 INFO L225 Difference]: With dead ends: 10192 [2022-11-02 20:17:21,463 INFO L226 Difference]: Without dead ends: 5366 [2022-11-02 20:17:21,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:17:21,485 INFO L413 NwaCegarLoop]: 5487 mSDtfsCounter, 6976 mSDsluCounter, 2396 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 1595 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7460 SdHoareTripleChecker+Valid, 7883 SdHoareTripleChecker+Invalid, 3376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:21,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7460 Valid, 7883 Invalid, 3376 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1595 Valid, 1780 Invalid, 1 Unknown, 0 Unchecked, 14.0s Time] [2022-11-02 20:17:21,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2022-11-02 20:17:21,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 4841. [2022-11-02 20:17:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4841 states, 3713 states have (on average 1.5020199299757608) internal successors, (5577), 3844 states have internal predecessors, (5577), 935 states have call successors, (935), 193 states have call predecessors, (935), 192 states have return successors, (931), 887 states have call predecessors, (931), 931 states have call successors, (931) [2022-11-02 20:17:21,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 4841 states and 7443 transitions. [2022-11-02 20:17:21,759 INFO L78 Accepts]: Start accepts. Automaton has 4841 states and 7443 transitions. Word has length 65 [2022-11-02 20:17:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:21,760 INFO L495 AbstractCegarLoop]: Abstraction has 4841 states and 7443 transitions. [2022-11-02 20:17:21,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:17:21,760 INFO L276 IsEmpty]: Start isEmpty. Operand 4841 states and 7443 transitions. [2022-11-02 20:17:21,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-02 20:17:21,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:21,763 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:21,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:17:21,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:21,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash -420190864, now seen corresponding path program 1 times [2022-11-02 20:17:21,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:21,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328686900] [2022-11-02 20:17:21,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:21,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:17:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:17:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:17:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:17:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:17:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:17:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:17:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-02 20:17:22,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:22,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328686900] [2022-11-02 20:17:22,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328686900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:22,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:22,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:17:22,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669842156] [2022-11-02 20:17:22,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:22,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:17:22,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:22,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:17:22,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:17:22,380 INFO L87 Difference]: Start difference. First operand 4841 states and 7443 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:17:32,338 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 [] [2022-11-02 20:17:33,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:17:36,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:17:37,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:17:37,658 INFO L93 Difference]: Finished difference Result 5381 states and 8398 transitions. [2022-11-02 20:17:37,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:17:37,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 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 65 [2022-11-02 20:17:37,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:17:37,700 INFO L225 Difference]: With dead ends: 5381 [2022-11-02 20:17:37,701 INFO L226 Difference]: Without dead ends: 5378 [2022-11-02 20:17:37,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:17:37,705 INFO L413 NwaCegarLoop]: 5503 mSDtfsCounter, 6953 mSDsluCounter, 2423 mSDsCounter, 0 mSdLazyCounter, 1790 mSolverCounterSat, 1591 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7435 SdHoareTripleChecker+Valid, 7926 SdHoareTripleChecker+Invalid, 3382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1591 IncrementalHoareTripleChecker+Valid, 1790 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:17:37,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7435 Valid, 7926 Invalid, 3382 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1591 Valid, 1790 Invalid, 1 Unknown, 0 Unchecked, 14.9s Time] [2022-11-02 20:17:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5378 states. [2022-11-02 20:17:38,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5378 to 4851. [2022-11-02 20:17:38,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4851 states, 3721 states have (on average 1.500940607363612) internal successors, (5585), 3851 states have internal predecessors, (5585), 935 states have call successors, (935), 195 states have call predecessors, (935), 194 states have return successors, (932), 888 states have call predecessors, (932), 932 states have call successors, (932) [2022-11-02 20:17:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 4851 states and 7452 transitions. [2022-11-02 20:17:38,106 INFO L78 Accepts]: Start accepts. Automaton has 4851 states and 7452 transitions. Word has length 65 [2022-11-02 20:17:38,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:17:38,108 INFO L495 AbstractCegarLoop]: Abstraction has 4851 states and 7452 transitions. [2022-11-02 20:17:38,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:17:38,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4851 states and 7452 transitions. [2022-11-02 20:17:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-02 20:17:38,112 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:17:38,112 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:17:38,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:17:38,113 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:17:38,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:17:38,113 INFO L85 PathProgramCache]: Analyzing trace with hash -142231472, now seen corresponding path program 1 times [2022-11-02 20:17:38,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:17:38,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953513825] [2022-11-02 20:17:38,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:17:38,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:17:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:17:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:17:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:17:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:17:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:17:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:17:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:17:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:17:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-02 20:17:38,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:17:38,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953513825] [2022-11-02 20:17:38,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953513825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:17:38,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:17:38,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 20:17:38,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341072986] [2022-11-02 20:17:38,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:17:38,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:17:38,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:17:38,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:17:38,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:17:38,645 INFO L87 Difference]: Start difference. First operand 4851 states and 7452 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:17:45,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:17:48,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:17:54,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:17:56,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:18:01,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:18:02,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:18:02,489 INFO L93 Difference]: Finished difference Result 8450 states and 13058 transitions. [2022-11-02 20:18:02,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:18:02,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 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 [2022-11-02 20:18:02,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:18:02,550 INFO L225 Difference]: With dead ends: 8450 [2022-11-02 20:18:02,550 INFO L226 Difference]: Without dead ends: 8362 [2022-11-02 20:18:02,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:18:02,559 INFO L413 NwaCegarLoop]: 6110 mSDtfsCounter, 4725 mSDsluCounter, 6891 mSDsCounter, 0 mSdLazyCounter, 3808 mSolverCounterSat, 1644 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5077 SdHoareTripleChecker+Valid, 13001 SdHoareTripleChecker+Invalid, 5456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1644 IncrementalHoareTripleChecker+Valid, 3808 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-11-02 20:18:02,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5077 Valid, 13001 Invalid, 5456 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1644 Valid, 3808 Invalid, 4 Unknown, 0 Unchecked, 23.3s Time] [2022-11-02 20:18:02,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2022-11-02 20:18:02,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 7445. [2022-11-02 20:18:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7445 states, 5691 states have (on average 1.4958706729924443) internal successors, (8513), 5921 states have internal predecessors, (8513), 1423 states have call successors, (1423), 333 states have call predecessors, (1423), 330 states have return successors, (1422), 1324 states have call predecessors, (1422), 1420 states have call successors, (1422) [2022-11-02 20:18:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7445 states to 7445 states and 11358 transitions. [2022-11-02 20:18:02,992 INFO L78 Accepts]: Start accepts. Automaton has 7445 states and 11358 transitions. Word has length 66 [2022-11-02 20:18:02,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:18:02,995 INFO L495 AbstractCegarLoop]: Abstraction has 7445 states and 11358 transitions. [2022-11-02 20:18:02,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 20:18:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7445 states and 11358 transitions. [2022-11-02 20:18:03,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-02 20:18:03,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:03,006 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:03,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:18:03,007 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:03,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:03,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1797917777, now seen corresponding path program 1 times [2022-11-02 20:18:03,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:03,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714456699] [2022-11-02 20:18:03,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:03,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:18:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:18:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:18:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:18:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:18:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:18:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:18:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:18:03,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:18:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-02 20:18:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 20:18:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-02 20:18:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:03,852 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-02 20:18:03,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:03,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714456699] [2022-11-02 20:18:03,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714456699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:03,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:03,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:18:03,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260330490] [2022-11-02 20:18:03,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:03,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:18:03,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:03,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:18:03,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:18:03,859 INFO L87 Difference]: Start difference. First operand 7445 states and 11358 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-02 20:18:24,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:18:26,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:18:31,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:18:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:18:33,487 INFO L93 Difference]: Finished difference Result 15782 states and 24264 transitions. [2022-11-02 20:18:33,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:18:33,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 110 [2022-11-02 20:18:33,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:18:33,531 INFO L225 Difference]: With dead ends: 15782 [2022-11-02 20:18:33,531 INFO L226 Difference]: Without dead ends: 8363 [2022-11-02 20:18:33,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:18:33,562 INFO L413 NwaCegarLoop]: 6481 mSDtfsCounter, 9653 mSDsluCounter, 4549 mSDsCounter, 0 mSdLazyCounter, 6635 mSolverCounterSat, 4079 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10190 SdHoareTripleChecker+Valid, 11030 SdHoareTripleChecker+Invalid, 10717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4079 IncrementalHoareTripleChecker+Valid, 6635 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:18:33,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10190 Valid, 11030 Invalid, 10717 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4079 Valid, 6635 Invalid, 3 Unknown, 0 Unchecked, 28.8s Time] [2022-11-02 20:18:33,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8363 states. [2022-11-02 20:18:33,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8363 to 7444. [2022-11-02 20:18:33,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7444 states, 5691 states have (on average 1.4955192409066949) internal successors, (8511), 5920 states have internal predecessors, (8511), 1422 states have call successors, (1422), 333 states have call predecessors, (1422), 330 states have return successors, (1412), 1324 states have call predecessors, (1412), 1412 states have call successors, (1412) [2022-11-02 20:18:34,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7444 states to 7444 states and 11345 transitions. [2022-11-02 20:18:34,006 INFO L78 Accepts]: Start accepts. Automaton has 7444 states and 11345 transitions. Word has length 110 [2022-11-02 20:18:34,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:18:34,006 INFO L495 AbstractCegarLoop]: Abstraction has 7444 states and 11345 transitions. [2022-11-02 20:18:34,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (15), 5 states have call predecessors, (15), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-02 20:18:34,007 INFO L276 IsEmpty]: Start isEmpty. Operand 7444 states and 11345 transitions. [2022-11-02 20:18:34,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-02 20:18:34,032 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:18:34,032 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:18:34,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:18:34,033 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:18:34,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:34,033 INFO L85 PathProgramCache]: Analyzing trace with hash -60970664, now seen corresponding path program 1 times [2022-11-02 20:18:34,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:34,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69944317] [2022-11-02 20:18:34,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:34,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:18:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:18:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:18:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:18:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:18:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:18:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:18:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:18:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:18:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:18:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:18:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:18:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-02 20:18:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:18:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-02 20:18:34,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:18:34,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69944317] [2022-11-02 20:18:34,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69944317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:18:34,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:18:34,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:18:34,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514956531] [2022-11-02 20:18:34,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:18:34,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:18:34,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:18:34,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:18:34,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:18:34,690 INFO L87 Difference]: Start difference. First operand 7444 states and 11345 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-02 20:18:46,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:18:57,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:00,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:19:02,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:19:06,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-02 20:19:10,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:19:10,283 INFO L93 Difference]: Finished difference Result 19888 states and 30460 transitions. [2022-11-02 20:19:10,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 20:19:10,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 136 [2022-11-02 20:19:10,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:19:10,480 INFO L225 Difference]: With dead ends: 19888 [2022-11-02 20:19:10,481 INFO L226 Difference]: Without dead ends: 12470 [2022-11-02 20:19:10,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:19:10,507 INFO L413 NwaCegarLoop]: 6483 mSDtfsCounter, 9157 mSDsluCounter, 5831 mSDsCounter, 0 mSdLazyCounter, 7673 mSolverCounterSat, 4343 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9637 SdHoareTripleChecker+Valid, 12314 SdHoareTripleChecker+Invalid, 12021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4343 IncrementalHoareTripleChecker+Valid, 7673 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.4s IncrementalHoareTripleChecker+Time [2022-11-02 20:19:10,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9637 Valid, 12314 Invalid, 12021 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4343 Valid, 7673 Invalid, 5 Unknown, 0 Unchecked, 34.4s Time] [2022-11-02 20:19:10,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12470 states. [2022-11-02 20:19:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12470 to 10973. [2022-11-02 20:19:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10973 states, 8326 states have (on average 1.483305308671631) internal successors, (12350), 8681 states have internal predecessors, (12350), 2130 states have call successors, (2130), 520 states have call predecessors, (2130), 516 states have return successors, (2120), 1975 states have call predecessors, (2120), 2120 states have call successors, (2120) [2022-11-02 20:19:11,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10973 states to 10973 states and 16600 transitions. [2022-11-02 20:19:11,223 INFO L78 Accepts]: Start accepts. Automaton has 10973 states and 16600 transitions. Word has length 136 [2022-11-02 20:19:11,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:19:11,225 INFO L495 AbstractCegarLoop]: Abstraction has 10973 states and 16600 transitions. [2022-11-02 20:19:11,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-11-02 20:19:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 10973 states and 16600 transitions. [2022-11-02 20:19:11,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-02 20:19:11,263 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:19:11,263 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 3, 3, 3, 3, 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] [2022-11-02 20:19:11,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:19:11,264 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:19:11,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:19:11,264 INFO L85 PathProgramCache]: Analyzing trace with hash -918381214, now seen corresponding path program 1 times [2022-11-02 20:19:11,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:19:11,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681109210] [2022-11-02 20:19:11,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:19:11,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:19:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:19:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:19:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:19:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 20:19:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-02 20:19:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 20:19:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 20:19:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:19:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-02 20:19:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-02 20:19:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-02 20:19:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-11-02 20:19:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-02 20:19:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-11-02 20:19:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:19:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-02 20:19:11,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:19:11,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681109210] [2022-11-02 20:19:11,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681109210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:19:11,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:19:11,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:19:11,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687663790] [2022-11-02 20:19:11,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:19:11,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:19:11,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:19:11,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:19:11,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:19:11,959 INFO L87 Difference]: Start difference. First operand 10973 states and 16600 transitions. Second operand has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 20:19:13,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:15,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:25,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:34,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:47,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:50,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:54,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:19:57,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []