./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:27:18,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:27:18,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:27:18,804 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:27:18,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:27:18,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:27:18,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:27:18,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:27:18,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:27:18,824 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:27:18,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:27:18,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:27:18,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:27:18,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:27:18,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:27:18,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:27:18,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:27:18,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:27:18,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:27:18,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:27:18,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:27:18,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:27:18,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:27:18,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:27:18,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:27:18,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:27:18,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:27:18,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:27:18,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:27:18,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:27:18,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:27:18,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:27:18,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:27:18,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:27:18,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:27:18,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:27:18,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:27:18,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:27:18,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:27:18,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:27:18,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:27:18,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:27:18,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:27:18,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:27:18,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:27:18,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:27:18,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:27:18,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:27:18,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:27:18,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:27:18,925 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:27:18,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:27:18,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:27:18,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:27:18,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:27:18,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:27:18,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:27:18,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:27:18,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:27:18,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:27:18,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:27:18,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:27:18,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:27:18,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:27:18,930 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:27:18,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:27:18,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:27:18,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:27:18,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:27:18,931 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:27:18,932 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:27:18,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:27:18,932 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_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-11-18 20:27:19,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:27:19,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:27:19,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:27:19,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:27:19,300 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:27:19,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-18 20:27:19,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/data/7704abc32/5cb9dd4d122c44b893d0266c4a2a5f5d/FLAG4e91bcedb [2022-11-18 20:27:20,198 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:27:20,199 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-18 20:27:20,236 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/data/7704abc32/5cb9dd4d122c44b893d0266c4a2a5f5d/FLAG4e91bcedb [2022-11-18 20:27:20,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/data/7704abc32/5cb9dd4d122c44b893d0266c4a2a5f5d [2022-11-18 20:27:20,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:27:20,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:27:20,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:27:20,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:27:20,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:27:20,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:27:20" (1/1) ... [2022-11-18 20:27:20,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e77ba7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:20, skipping insertion in model container [2022-11-18 20:27:20,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:27:20" (1/1) ... [2022-11-18 20:27:20,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:27:20,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:27:21,828 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-18 20:27:21,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:27:21,883 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:27:22,160 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-18 20:27:22,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:27:22,298 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:27:22,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22 WrapperNode [2022-11-18 20:27:22,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:27:22,302 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:27:22,302 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:27:22,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:27:22,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,524 INFO L138 Inliner]: procedures = 146, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2929 [2022-11-18 20:27:22,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:27:22,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:27:22,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:27:22,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:27:22,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,686 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,730 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:27:22,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:27:22,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:27:22,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:27:22,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (1/1) ... [2022-11-18 20:27:22,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:27:22,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:22,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:27:22,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:27:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-11-18 20:27:22,866 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-11-18 20:27:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-18 20:27:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-18 20:27:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 20:27:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:27:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-11-18 20:27:22,867 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-11-18 20:27:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-11-18 20:27:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-11-18 20:27:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-11-18 20:27:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-11-18 20:27:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-11-18 20:27:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-11-18 20:27:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-18 20:27:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-18 20:27:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-18 20:27:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-18 20:27:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-18 20:27:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-18 20:27:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-11-18 20:27:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-11-18 20:27:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-11-18 20:27:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-11-18 20:27:22,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-18 20:27:22,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-18 20:27:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-18 20:27:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-18 20:27:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-18 20:27:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-18 20:27:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-11-18 20:27:22,871 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-11-18 20:27:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:27:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-18 20:27:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-18 20:27:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-18 20:27:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-18 20:27:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-11-18 20:27:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-11-18 20:27:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-18 20:27:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-18 20:27:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-18 20:27:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-18 20:27:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-11-18 20:27:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-11-18 20:27:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-18 20:27:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-18 20:27:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-11-18 20:27:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-11-18 20:27:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 20:27:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-11-18 20:27:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-11-18 20:27:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-11-18 20:27:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-11-18 20:27:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-11-18 20:27:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-11-18 20:27:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-11-18 20:27:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-11-18 20:27:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:27:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 20:27:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-18 20:27:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-18 20:27:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:27:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-11-18 20:27:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-11-18 20:27:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-11-18 20:27:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-11-18 20:27:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-11-18 20:27:22,878 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-11-18 20:27:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-18 20:27:22,878 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-18 20:27:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-11-18 20:27:22,878 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-11-18 20:27:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 20:27:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-18 20:27:22,879 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-18 20:27:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:27:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 20:27:22,879 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-11-18 20:27:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-11-18 20:27:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-18 20:27:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-18 20:27:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-11-18 20:27:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-11-18 20:27:22,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-18 20:27:22,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-18 20:27:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-18 20:27:22,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-18 20:27:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-18 20:27:22,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-18 20:27:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:27:22,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-18 20:27:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-18 20:27:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-11-18 20:27:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-11-18 20:27:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-11-18 20:27:22,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-11-18 20:27:22,882 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-11-18 20:27:22,883 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-11-18 20:27:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-11-18 20:27:22,883 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-11-18 20:27:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-11-18 20:27:22,883 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-11-18 20:27:22,883 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-11-18 20:27:22,884 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-11-18 20:27:22,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-18 20:27:22,884 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-18 20:27:22,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:27:22,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:27:23,488 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:27:23,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:27:29,585 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:27:29,612 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:27:29,613 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:27:29,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:29 BoogieIcfgContainer [2022-11-18 20:27:29,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:27:29,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:27:29,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:27:29,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:27:29,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:27:20" (1/3) ... [2022-11-18 20:27:29,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dde7454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:27:29, skipping insertion in model container [2022-11-18 20:27:29,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:27:22" (2/3) ... [2022-11-18 20:27:29,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dde7454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:27:29, skipping insertion in model container [2022-11-18 20:27:29,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:29" (3/3) ... [2022-11-18 20:27:29,634 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-18 20:27:29,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:27:29,653 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:27:29,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:27:29,771 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;@2c1449d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:27:29,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:27:29,780 INFO L276 IsEmpty]: Start isEmpty. Operand has 1024 states, 764 states have (on average 1.4005235602094241) internal successors, (1070), 772 states have internal predecessors, (1070), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) [2022-11-18 20:27:29,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-18 20:27:29,815 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:29,816 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2022-11-18 20:27:29,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:29,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:29,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1725400191, now seen corresponding path program 1 times [2022-11-18 20:27:29,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:29,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430018961] [2022-11-18 20:27:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:29,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 20:27:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-18 20:27:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:27:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:27:31,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-18 20:27:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-18 20:27:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-18 20:27:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,148 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 20:27:31,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:31,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430018961] [2022-11-18 20:27:31,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430018961] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:27:31,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034488140] [2022-11-18 20:27:31,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:31,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:31,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:31,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:31,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 20:27:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:31,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:27:31,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:31,888 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-18 20:27:31,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:31,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034488140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:31,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:27:31,896 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-11-18 20:27:31,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522053440] [2022-11-18 20:27:31,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:31,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:27:31,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:31,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:27:31,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:31,944 INFO L87 Difference]: Start difference. First operand has 1024 states, 764 states have (on average 1.4005235602094241) internal successors, (1070), 772 states have internal predecessors, (1070), 212 states have call successors, (212), 46 states have call predecessors, (212), 46 states have return successors, (212), 212 states have call predecessors, (212), 212 states have call successors, (212) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:27:32,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:32,162 INFO L93 Difference]: Finished difference Result 2051 states and 3016 transitions. [2022-11-18 20:27:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:27:32,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 87 [2022-11-18 20:27:32,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:32,187 INFO L225 Difference]: With dead ends: 2051 [2022-11-18 20:27:32,187 INFO L226 Difference]: Without dead ends: 1015 [2022-11-18 20:27:32,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:32,204 INFO L413 NwaCegarLoop]: 1489 mSDtfsCounter, 3 mSDsluCounter, 4453 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:32,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5942 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:27:32,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2022-11-18 20:27:32,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2022-11-18 20:27:32,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 756 states have (on average 1.3928571428571428) internal successors, (1053), 764 states have internal predecessors, (1053), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (218), 211 states have call predecessors, (218), 211 states have call successors, (218) [2022-11-18 20:27:32,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1482 transitions. [2022-11-18 20:27:32,379 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1482 transitions. Word has length 87 [2022-11-18 20:27:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:32,380 INFO L495 AbstractCegarLoop]: Abstraction has 1015 states and 1482 transitions. [2022-11-18 20:27:32,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:27:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1482 transitions. [2022-11-18 20:27:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-18 20:27:32,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:32,390 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 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] [2022-11-18 20:27:32,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:32,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-18 20:27:32,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:32,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:32,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1114022495, now seen corresponding path program 1 times [2022-11-18 20:27:32,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:32,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782382381] [2022-11-18 20:27:32,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:32,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:27:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 20:27:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-18 20:27:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-18 20:27:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-18 20:27:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-18 20:27:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-18 20:27:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-18 20:27:33,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:33,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782382381] [2022-11-18 20:27:33,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782382381] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:27:33,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925876377] [2022-11-18 20:27:33,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:33,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:27:33,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:27:33,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 20:27:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:33,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 20:27:33,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:27:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-18 20:27:33,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:27:33,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925876377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:33,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 20:27:33,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-11-18 20:27:33,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146157966] [2022-11-18 20:27:33,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:33,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 20:27:33,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:33,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:27:33,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:33,998 INFO L87 Difference]: Start difference. First operand 1015 states and 1482 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:27:34,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:34,116 INFO L93 Difference]: Finished difference Result 2022 states and 2951 transitions. [2022-11-18 20:27:34,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:27:34,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 90 [2022-11-18 20:27:34,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:34,124 INFO L225 Difference]: With dead ends: 2022 [2022-11-18 20:27:34,125 INFO L226 Difference]: Without dead ends: 1015 [2022-11-18 20:27:34,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 108 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:27:34,130 INFO L413 NwaCegarLoop]: 1473 mSDtfsCounter, 0 mSDsluCounter, 4404 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:34,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5877 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:27:34,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2022-11-18 20:27:34,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2022-11-18 20:27:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1015 states, 756 states have (on average 1.3928571428571428) internal successors, (1053), 764 states have internal predecessors, (1053), 211 states have call successors, (211), 46 states have call predecessors, (211), 47 states have return successors, (217), 211 states have call predecessors, (217), 211 states have call successors, (217) [2022-11-18 20:27:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1481 transitions. [2022-11-18 20:27:34,245 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1481 transitions. Word has length 90 [2022-11-18 20:27:34,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:34,246 INFO L495 AbstractCegarLoop]: Abstraction has 1015 states and 1481 transitions. [2022-11-18 20:27:34,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 20:27:34,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1481 transitions. [2022-11-18 20:27:34,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-18 20:27:34,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:34,257 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:34,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:27:34,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:27:34,471 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:34,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1233779827, now seen corresponding path program 2 times [2022-11-18 20:27:34,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:34,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359706035] [2022-11-18 20:27:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:34,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:27:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:27:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:27:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:27:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:27:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 20:27:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:35,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:27:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 20:27:36,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:36,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359706035] [2022-11-18 20:27:36,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359706035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:36,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:36,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-18 20:27:36,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588711498] [2022-11-18 20:27:36,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:36,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 20:27:36,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:36,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 20:27:36,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-18 20:27:36,094 INFO L87 Difference]: Start difference. First operand 1015 states and 1481 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:27:45,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:47,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:27:49,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:27:49,344 INFO L93 Difference]: Finished difference Result 2287 states and 3369 transitions. [2022-11-18 20:27:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-18 20:27:49,345 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 93 [2022-11-18 20:27:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:27:49,354 INFO L225 Difference]: With dead ends: 2287 [2022-11-18 20:27:49,354 INFO L226 Difference]: Without dead ends: 1295 [2022-11-18 20:27:49,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-18 20:27:49,360 INFO L413 NwaCegarLoop]: 1505 mSDtfsCounter, 546 mSDsluCounter, 6707 mSDsCounter, 0 mSdLazyCounter, 3926 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 8212 SdHoareTripleChecker+Invalid, 4129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 3926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:27:49,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 8212 Invalid, 4129 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [203 Valid, 3926 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-11-18 20:27:49,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-11-18 20:27:49,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1021. [2022-11-18 20:27:49,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 761 states have (on average 1.3915900131406045) internal successors, (1059), 769 states have internal predecessors, (1059), 211 states have call successors, (211), 46 states have call predecessors, (211), 48 states have return successors, (220), 212 states have call predecessors, (220), 211 states have call successors, (220) [2022-11-18 20:27:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1490 transitions. [2022-11-18 20:27:49,424 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1490 transitions. Word has length 93 [2022-11-18 20:27:49,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:27:49,425 INFO L495 AbstractCegarLoop]: Abstraction has 1021 states and 1490 transitions. [2022-11-18 20:27:49,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:27:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1490 transitions. [2022-11-18 20:27:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 20:27:49,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:27:49,434 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:27:49,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:27:49,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:27:49,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:27:49,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1146300304, now seen corresponding path program 1 times [2022-11-18 20:27:49,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:27:49,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719222014] [2022-11-18 20:27:49,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:27:49,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:27:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:27:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:27:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:27:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:27:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:27:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:27:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 20:27:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:27:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:27:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:27:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 20:27:51,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:27:51,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719222014] [2022-11-18 20:27:51,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719222014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:27:51,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:27:51,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:27:51,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624864628] [2022-11-18 20:27:51,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:27:51,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:27:51,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:27:51,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:27:51,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:27:51,013 INFO L87 Difference]: Start difference. First operand 1021 states and 1490 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:28:03,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:05,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:08,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:10,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:11,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:12,487 INFO L93 Difference]: Finished difference Result 2951 states and 4419 transitions. [2022-11-18 20:28:12,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 20:28:12,488 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 94 [2022-11-18 20:28:12,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:12,508 INFO L225 Difference]: With dead ends: 2951 [2022-11-18 20:28:12,508 INFO L226 Difference]: Without dead ends: 1953 [2022-11-18 20:28:12,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2022-11-18 20:28:12,522 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 1269 mSDsluCounter, 12828 mSDsCounter, 0 mSdLazyCounter, 6498 mSolverCounterSat, 309 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1470 SdHoareTripleChecker+Valid, 15013 SdHoareTripleChecker+Invalid, 6808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 6498 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:12,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1470 Valid, 15013 Invalid, 6808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [309 Valid, 6498 Invalid, 1 Unknown, 0 Unchecked, 21.0s Time] [2022-11-18 20:28:12,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2022-11-18 20:28:12,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1022. [2022-11-18 20:28:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 762 states have (on average 1.3910761154855642) internal successors, (1060), 770 states have internal predecessors, (1060), 211 states have call successors, (211), 46 states have call predecessors, (211), 48 states have return successors, (220), 212 states have call predecessors, (220), 211 states have call successors, (220) [2022-11-18 20:28:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1491 transitions. [2022-11-18 20:28:12,601 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1491 transitions. Word has length 94 [2022-11-18 20:28:12,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:12,601 INFO L495 AbstractCegarLoop]: Abstraction has 1022 states and 1491 transitions. [2022-11-18 20:28:12,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:28:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1491 transitions. [2022-11-18 20:28:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-18 20:28:12,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:12,606 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:12,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 20:28:12,607 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:28:12,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:12,607 INFO L85 PathProgramCache]: Analyzing trace with hash -473678285, now seen corresponding path program 1 times [2022-11-18 20:28:12,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:12,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750068359] [2022-11-18 20:28:12,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:12,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:28:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:28:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:28:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:28:13,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:28:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:28:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:28:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 20:28:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:28:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:14,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:28:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:14,106 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 20:28:14,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:14,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750068359] [2022-11-18 20:28:14,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750068359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:14,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:14,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-18 20:28:14,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39052134] [2022-11-18 20:28:14,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:14,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:28:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:14,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:28:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-18 20:28:14,110 INFO L87 Difference]: Start difference. First operand 1022 states and 1491 transitions. Second operand has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:28:25,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:27,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:29,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:31,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:32,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:28:32,369 INFO L93 Difference]: Finished difference Result 2304 states and 3396 transitions. [2022-11-18 20:28:32,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-18 20:28:32,370 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 94 [2022-11-18 20:28:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:28:32,377 INFO L225 Difference]: With dead ends: 2304 [2022-11-18 20:28:32,378 INFO L226 Difference]: Without dead ends: 1305 [2022-11-18 20:28:32,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2022-11-18 20:28:32,382 INFO L413 NwaCegarLoop]: 1497 mSDtfsCounter, 651 mSDsluCounter, 7805 mSDsCounter, 0 mSdLazyCounter, 4437 mSolverCounterSat, 335 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 9302 SdHoareTripleChecker+Invalid, 4776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 4437 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-18 20:28:32,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 9302 Invalid, 4776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [335 Valid, 4437 Invalid, 4 Unknown, 0 Unchecked, 17.9s Time] [2022-11-18 20:28:32,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2022-11-18 20:28:32,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1028. [2022-11-18 20:28:32,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1028 states, 767 states have (on average 1.3898305084745763) internal successors, (1066), 775 states have internal predecessors, (1066), 211 states have call successors, (211), 46 states have call predecessors, (211), 49 states have return successors, (223), 213 states have call predecessors, (223), 211 states have call successors, (223) [2022-11-18 20:28:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1500 transitions. [2022-11-18 20:28:32,431 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1500 transitions. Word has length 94 [2022-11-18 20:28:32,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:28:32,431 INFO L495 AbstractCegarLoop]: Abstraction has 1028 states and 1500 transitions. [2022-11-18 20:28:32,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.75) internal successors, (54), 9 states have internal predecessors, (54), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:28:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1500 transitions. [2022-11-18 20:28:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-18 20:28:32,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:28:32,435 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:28:32,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 20:28:32,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:28:32,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:28:32,436 INFO L85 PathProgramCache]: Analyzing trace with hash 942011018, now seen corresponding path program 1 times [2022-11-18 20:28:32,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:28:32,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91625057] [2022-11-18 20:28:32,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:28:32,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:28:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:28:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-18 20:28:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-18 20:28:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-18 20:28:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-18 20:28:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-18 20:28:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-18 20:28:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-18 20:28:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-18 20:28:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-18 20:28:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:28:33,829 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-18 20:28:33,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:28:33,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91625057] [2022-11-18 20:28:33,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91625057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:28:33,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:28:33,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-18 20:28:33,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714348583] [2022-11-18 20:28:33,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:28:33,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-18 20:28:33,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:28:33,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-18 20:28:33,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:28:33,832 INFO L87 Difference]: Start difference. First operand 1028 states and 1500 transitions. Second operand has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:28:47,125 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 [] [2022-11-18 20:28:49,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:50,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:52,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:54,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:56,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:58,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:28:59,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:01,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:03,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:05,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 20:29:06,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:29:06,359 INFO L93 Difference]: Finished difference Result 2992 states and 4494 transitions. [2022-11-18 20:29:06,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-18 20:29:06,360 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 95 [2022-11-18 20:29:06,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:29:06,372 INFO L225 Difference]: With dead ends: 2992 [2022-11-18 20:29:06,372 INFO L226 Difference]: Without dead ends: 1987 [2022-11-18 20:29:06,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2022-11-18 20:29:06,378 INFO L413 NwaCegarLoop]: 2235 mSDtfsCounter, 1326 mSDsluCounter, 14781 mSDsCounter, 0 mSdLazyCounter, 7070 mSolverCounterSat, 437 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 17016 SdHoareTripleChecker+Invalid, 7512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 7070 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:29:06,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 17016 Invalid, 7512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [437 Valid, 7070 Invalid, 5 Unknown, 0 Unchecked, 32.1s Time] [2022-11-18 20:29:06,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2022-11-18 20:29:06,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1034. [2022-11-18 20:29:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1034 states, 772 states have (on average 1.3898963730569949) internal successors, (1073), 780 states have internal predecessors, (1073), 211 states have call successors, (211), 46 states have call predecessors, (211), 50 states have return successors, (226), 214 states have call predecessors, (226), 211 states have call successors, (226) [2022-11-18 20:29:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1510 transitions. [2022-11-18 20:29:06,435 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1510 transitions. Word has length 95 [2022-11-18 20:29:06,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:29:06,436 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1510 transitions. [2022-11-18 20:29:06,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 6.111111111111111) internal successors, (55), 10 states have internal predecessors, (55), 4 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-18 20:29:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1510 transitions. [2022-11-18 20:29:06,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-18 20:29:06,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:29:06,440 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:29:06,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 20:29:06,440 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:29:06,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:29:06,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1891720257, now seen corresponding path program 1 times [2022-11-18 20:29:06,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:29:06,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194985088] [2022-11-18 20:29:06,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:29:06,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:29:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:09,465 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:29:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:29:11,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:29:11,813 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:29:11,814 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:29:11,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 20:29:11,820 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-11-18 20:29:11,825 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:29:11,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:29:11 BoogieIcfgContainer [2022-11-18 20:29:11,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:29:11,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:29:11,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:29:11,978 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:29:11,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:27:29" (3/4) ... [2022-11-18 20:29:11,980 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-18 20:29:12,112 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:29:12,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:29:12,113 INFO L158 Benchmark]: Toolchain (without parser) took 111826.67ms. Allocated memory was 94.4MB in the beginning and 599.8MB in the end (delta: 505.4MB). Free memory was 52.0MB in the beginning and 223.8MB in the end (delta: -171.8MB). Peak memory consumption was 333.2MB. Max. memory is 16.1GB. [2022-11-18 20:29:12,113 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:29:12,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2008.88ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 51.8MB in the beginning and 72.3MB in the end (delta: -20.5MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2022-11-18 20:29:12,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 222.89ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 55.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:29:12,115 INFO L158 Benchmark]: Boogie Preprocessor took 267.98ms. Allocated memory is still 134.2MB. Free memory was 55.3MB in the beginning and 67.5MB in the end (delta: -12.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-11-18 20:29:12,118 INFO L158 Benchmark]: RCFGBuilder took 6823.83ms. Allocated memory was 134.2MB in the beginning and 306.2MB in the end (delta: 172.0MB). Free memory was 67.5MB in the beginning and 153.1MB in the end (delta: -85.6MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. [2022-11-18 20:29:12,119 INFO L158 Benchmark]: TraceAbstraction took 102356.23ms. Allocated memory was 306.2MB in the beginning and 599.8MB in the end (delta: 293.6MB). Free memory was 152.1MB in the beginning and 240.6MB in the end (delta: -88.5MB). Peak memory consumption was 278.5MB. Max. memory is 16.1GB. [2022-11-18 20:29:12,119 INFO L158 Benchmark]: Witness Printer took 135.45ms. Allocated memory is still 599.8MB. Free memory was 240.6MB in the beginning and 223.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-18 20:29:12,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory is still 76.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2008.88ms. Allocated memory was 94.4MB in the beginning and 134.2MB in the end (delta: 39.8MB). Free memory was 51.8MB in the beginning and 72.3MB in the end (delta: -20.5MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 222.89ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 55.3MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 267.98ms. Allocated memory is still 134.2MB. Free memory was 55.3MB in the beginning and 67.5MB in the end (delta: -12.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6823.83ms. Allocated memory was 134.2MB in the beginning and 306.2MB in the end (delta: 172.0MB). Free memory was 67.5MB in the beginning and 153.1MB in the end (delta: -85.6MB). Peak memory consumption was 163.5MB. Max. memory is 16.1GB. * TraceAbstraction took 102356.23ms. Allocated memory was 306.2MB in the beginning and 599.8MB in the end (delta: 293.6MB). Free memory was 152.1MB in the beginning and 240.6MB in the end (delta: -88.5MB). Peak memory consumption was 278.5MB. Max. memory is 16.1GB. * Witness Printer took 135.45ms. Allocated memory is still 599.8MB. Free memory was 240.6MB in the beginning and 223.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 6190]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L5972] struct i2c_device_id const __mod_i2c_device_table ; [L4032] static int debug ; [L5667-L5669] static struct v4l2_subdev_core_ops const si4713_subdev_core_ops = {0, 0, 0, 0, 0, 0, 0, & si4713_queryctrl, & si4713_g_ctrl, & si4713_s_ctrl, & si4713_g_ext_ctrls, & si4713_s_ext_ctrls, 0, 0, 0, & si4713_ioctl, 0, 0, 0, 0, 0, 0}; [L5999] int LDV_IN_INTERRUPT ; [L4033] static char const *si4713_supply_names[2U] = { "vio", "vdd"}; [L4045-L4048] static unsigned long acomp_rtimes[10U] = { 0UL, 100000UL, 1UL, 200000UL, 2UL, 350000UL, 3UL, 525000UL, 4UL, 1000000UL}; [L5840-L5841] static struct v4l2_subdev_ops const si4713_subdev_ops = {& si4713_subdev_core_ops, & si4713_subdev_tuner_ops, 0, 0, 0, 0, 0, 0}; [L4049-L4050] static unsigned long preemphasis_values[6U] = { 2UL, 0UL, 1UL, 1UL, 0UL, 2UL}; [L4034-L4044] static long limiter_times[40U] = { 2000L, 250L, 1000L, 500L, 510L, 1000L, 255L, 2000L, 170L, 3000L, 127L, 4020L, 102L, 5010L, 85L, 6020L, 73L, 7010L, 64L, 7990L, 57L, 8970L, 51L, 10030L, 25L, 20470L, 17L, 30110L, 13L, 39380L, 10L, 51190L, 8L, 63690L, 7L, 73140L, 6L, 85330L, 5L, 102390L}; [L5837-L5839] static struct v4l2_subdev_tuner_ops const si4713_subdev_tuner_ops = {0, 0, & si4713_s_frequency, & si4713_g_frequency, 0, 0, & si4713_g_modulator, & si4713_s_modulator, 0, 0}; [L5971] static struct i2c_device_id const si4713_id[2U] = { {{'s', 'i', '4', '7', '1', '3', '\000'}, 0UL}}; [L5973-L5977] static struct i2c_driver si4713_i2c_driver = {0U, 0, 0, & si4713_probe, & si4713_remove, 0, 0, 0, 0, 0, {"si4713", 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, (struct i2c_device_id const *)(& si4713_id), 0, 0, {0, 0}}; VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6002] struct v4l2_subdev *var_group1 ; [L6003] struct v4l2_queryctrl *var_group2 ; [L6004] struct v4l2_ext_controls *var_group3 ; [L6005] struct v4l2_control *var_group4 ; [L6006] unsigned int var_si4713_ioctl_33_p1 ; [L6007] void *var_si4713_ioctl_33_p2 ; [L6008] struct v4l2_frequency *var_group5 ; [L6009] struct v4l2_modulator *var_group6 ; [L6010] struct i2c_client *var_group7 ; [L6011] struct i2c_device_id const *var_si4713_probe_38_p1 ; [L6012] int res_si4713_probe_38 ; [L6013] int res_si4713_remove_39 ; [L6014] int var_si4713_handler_0_p0 ; [L6015] void *var_si4713_handler_0_p1 ; [L6016] int ldv_s_si4713_i2c_driver_i2c_driver ; [L6017] int tmp ; [L6018] int tmp___0 ; [L6019] int tmp___1 ; VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6021] CALL, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=2456, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, size=2456] [L6021] RET, EXPR ldv_malloc(sizeof(struct si4713_device)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct si4713_device))={0:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6021] var_group1 = ldv_malloc(sizeof(struct si4713_device)) [L6022] CALL, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [\result=0, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, ptr={75:0}, ptr={75:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_i2c_device_table=0, acomp_rtimes={61:0}, cond=1, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; VAL [\old(size)=68, \result={75:0}, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, res={75:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, size=68] [L6022] RET, EXPR ldv_malloc(sizeof(struct v4l2_queryctrl)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_queryctrl))={75:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={0:0}] [L6022] var_group2 = ldv_malloc(sizeof(struct v4l2_queryctrl)) [L6023] COND FALSE !(!var_group2) [L6025] var_group2->id = __VERIFIER_nondet_int() [L6026] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND TRUE __VERIFIER_nondet_int() [L3973] void *res = malloc(size); [L3974] CALL, EXPR ldv_is_err(res) [L3968] return ((unsigned long)ptr > ((unsigned long)-4095)); VAL [\result=0, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, ptr={69:0}, ptr={69:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3974] RET, EXPR ldv_is_err(res) [L3974] CALL assume_abort_if_not(!ldv_is_err(res)) [L3963] COND FALSE !(!cond) VAL [\old(cond)=1, __mod_i2c_device_table=0, acomp_rtimes={61:0}, cond=1, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3974] RET assume_abort_if_not(!ldv_is_err(res)) [L3975] return res; VAL [\old(size)=28, \result={69:0}, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, res={69:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, size=28] [L6026] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_controls)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_ext_controls))={69:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={0:0}, var_group2={75:0}] [L6026] var_group3 = ldv_malloc(sizeof(struct v4l2_ext_controls)) [L6027] COND FALSE !(!var_group3) [L6029] var_group3->ctrl_class = __VERIFIER_nondet_int() [L6030] CALL, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=20, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, size=20] [L6030] RET, EXPR ldv_malloc(sizeof(struct v4l2_ext_control)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_ext_control))={0:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}] [L6030] var_group3->controls = ldv_malloc(sizeof(struct v4l2_ext_control)) [L6031] CALL, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=68, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, size=68] [L6031] RET, EXPR ldv_malloc(sizeof(struct v4l2_modulator)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct v4l2_modulator))={0:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}] [L6031] var_group6 = ldv_malloc(sizeof(struct v4l2_modulator)) [L6032] CALL, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L3972] COND FALSE !(__VERIFIER_nondet_int()) [L3977] return ((void *)0); VAL [\old(size)=1096, \result={0:0}, __mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, size=1096] [L6032] RET, EXPR ldv_malloc(sizeof(struct i2c_client)) VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=0, ldv_malloc(sizeof(struct i2c_client))={0:0}, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}, var_group6={0:0}] [L6032] var_group7 = ldv_malloc(sizeof(struct i2c_client)) [L6033] ldv_s_si4713_i2c_driver_i2c_driver = 0 [L6034] LDV_IN_INTERRUPT = 1 [L6035] FCALL ldv_initialize() [L6036] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}, var_group6={0:0}, var_group7={0:0}] [L6037] CALL, EXPR si4713_module_init() [L5980] int tmp ; [L5982] CALL, EXPR i2c_add_driver(& si4713_i2c_driver) [L3953] int tmp ; [L3955] CALL, EXPR i2c_register_driver(& __this_module, driver) [L6311] return __VERIFIER_nondet_int(); [L3955] RET, EXPR i2c_register_driver(& __this_module, driver) [L3955] tmp = i2c_register_driver(& __this_module, driver) [L3956] return (tmp); VAL [\result=0, __mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, driver={67:0}, driver={67:0}, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0] [L5982] RET, EXPR i2c_add_driver(& si4713_i2c_driver) [L5982] tmp = i2c_add_driver(& si4713_i2c_driver) [L5983] return (tmp); VAL [\result=0, __mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0] [L6037] RET, EXPR si4713_module_init() [L6037] tmp = si4713_module_init() [L6038] COND FALSE !(tmp != 0) VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}, var_group6={0:0}, var_group7={0:0}] [L6123] tmp___1 = __VERIFIER_nondet_int() [L6124] COND TRUE tmp___1 != 0 || ldv_s_si4713_i2c_driver_i2c_driver != 0 VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0, tmp___1=1, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}, var_group6={0:0}, var_group7={0:0}] [L6044] tmp___0 = __VERIFIER_nondet_int() [L6046] case 0: [L6050] case 1: [L6054] case 2: VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}, var_group6={0:0}, var_group7={0:0}] [L6055] FCALL ldv_handler_precall() VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, ldv_s_si4713_i2c_driver_i2c_driver=0, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, tmp=0, tmp___0=2, tmp___1=1, var_group1={0:0}, var_group2={75:0}, var_group3={69:0}, var_group6={0:0}, var_group7={0:0}] [L6056] CALL si4713_s_ext_ctrls(var_group1, var_group3) [L5390] struct si4713_device *sdev ; [L5391] struct v4l2_subdev const *__mptr ; [L5392] int i ; [L5393] int err ; [L5395] __mptr = (struct v4l2_subdev const *)sd [L5396] sdev = (struct si4713_device *)__mptr [L5397] EXPR ctrls->ctrl_class VAL [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, ctrls={69:0}, ctrls={69:0}, ctrls->ctrl_class=10158080, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5397] COND FALSE !(ctrls->ctrl_class != 10158080U) [L5401] i = 0 VAL [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, ctrls={69:0}, ctrls={69:0}, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5424] EXPR ctrls->count VAL [__mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, ctrls={69:0}, ctrls={69:0}, ctrls->count=4294967297, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5424] COND TRUE (__u32 )i < ctrls->count [L5404] EXPR ctrls->controls [L5404] (ctrls->controls + (unsigned long )i)->id [L5405] case 10160389U: VAL [(ctrls->controls + (unsigned long )i)->id=10160389, __mod_i2c_device_table=0, __mptr={0:0}, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, ctrls={69:0}, ctrls={69:0}, ctrls->controls={0:0}, debug=0, i=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, sd={0:0}, sd={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5406] case 10160390U: [L5407] EXPR ctrls->controls [L5407] CALL si4713_write_econtrol_string(sdev, ctrls->controls + (unsigned long )i) [L4812] struct v4l2_queryctrl vqc ; [L4813] int len ; [L4814] s32 rval ; [L4815] char ps_name[97U] ; [L4816] unsigned long tmp ; [L4817] size_t tmp___0 ; [L4818] char radio_text[385U] ; [L4819] unsigned long tmp___1 ; [L4820] size_t tmp___2 ; [L4822] rval = 0 [L4823] EXPR control->id [L4823] vqc.id = control->id [L4824] CALL, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, qc={78:0}, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5476] int rval ; [L5478] rval = 0 [L5479] qc->id [L5480] case 9963785U: [L5483] case 10160386U: [L5486] case 10160387U: [L5489] case 10160385U: [L5492] case 10160389U: VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, qc={78:0}, qc={78:0}, qc->id=10160389, rval=0, sd={0:0}, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L5493] CALL, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [\old(arg1)=0, \old(arg2)=96, \old(arg3)=8, \old(arg4)=0, __mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, arg0={78:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6373] return __VERIFIER_nondet_int(); [L5493] RET, EXPR v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, qc={78:0}, qc={78:0}, qc->id=10160389, rval=0, sd={0:0}, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, v4l2_ctrl_query_fill(qc, 0, 96, 8, 0)=74] [L5493] rval = v4l2_ctrl_query_fill(qc, 0, 96, 8, 0) [L5545] return (rval); VAL [\result=74, __mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, qc={78:0}, qc={78:0}, qc->id=10160389, rval=74, sd={0:0}, sd={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L4824] RET, EXPR si4713_queryctrl(& sdev->sd, & vqc) VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, control={0:0}, control={0:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, ps_name={79:0}, radio_text={77:0}, rval=0, sdev={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_queryctrl(& sdev->sd, & vqc)=74, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, vqc={78:0}] [L4824] rval = si4713_queryctrl(& sdev->sd, & vqc) [L4825] COND FALSE !(rval < 0) [L4829] control->id [L4830] case 10160389U: [L4831] EXPR control->size [L4831] len = (int )(control->size - 1U) [L4832] COND FALSE !(len > 96) [L4837] EXPR control->ldv_23581.string VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, control={0:0}, control={0:0}, control->id=10160389, control->ldv_23581.string={4294967298:4294967300}, debug=0, LDV_IN_INTERRUPT=1, len=-1, limiter_times={64:0}, preemphasis_values={63:0}, ps_name={79:0}, radio_text={77:0}, rval=74, sdev={0:0}, sdev={0:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, vqc={78:0}] [L4837-L4838] CALL ldv_copy_from_user_7((void *)(& ps_name), (void const *)control->ldv_23581.string, (unsigned long )len) VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6179] unsigned long tmp ; VAL [\old(n)=-1, __mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, from={4294967298:4294967300}, from={4294967298:4294967300}, LDV_IN_INTERRUPT=1, limiter_times={64:0}, n=-1, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}, to={79:0}, to={79:0}] [L6181] CALL ldv_check_len((long )n) VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] [L6233] COND FALSE !(n >= 0L) [L6235] CALL ldv_error() [L6190] reach_error() VAL [__mod_i2c_device_table=0, __this_module={4294967305:4294967307}, acomp_rtimes={61:0}, debug=0, LDV_IN_INTERRUPT=1, limiter_times={64:0}, preemphasis_values={63:0}, si4713_i2c_driver={67:0}, si4713_id={66:0}, si4713_subdev_core_ops={59:0}, si4713_subdev_ops={62:0}, si4713_subdev_tuner_ops={65:0}, si4713_supply_names={60:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 1024 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 102.1s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 86.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 mSolverCounterUnknown, 4345 SdHoareTripleChecker+Valid, 83.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3795 mSDsluCounter, 61362 SdHoareTripleChecker+Invalid, 79.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50978 mSDsCounter, 1285 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21969 IncrementalHoareTripleChecker+Invalid, 23264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1285 mSolverCounterUnsat, 10384 mSDtfsCounter, 21969 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 369 GetRequests, 299 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1034occurred in iteration=6, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 2435 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 827 NumberOfCodeBlocks, 827 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2674 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 494/508 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-18 20:29:12,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9246af7d-c262-4d2d-bf6c-018cbbd31f3b/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE