./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/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_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:03:45,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:03:45,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:03:45,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:03:45,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:03:45,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:03:45,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:03:45,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:03:45,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:03:45,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:03:45,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:03:45,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:03:45,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:03:45,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:03:45,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:03:45,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:03:45,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:03:45,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:03:45,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:03:45,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:03:45,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:03:45,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:03:45,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:03:45,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:03:45,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:03:45,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:03:45,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:03:45,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:03:45,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:03:45,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:03:45,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:03:45,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:03:45,616 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:03:45,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:03:45,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:03:45,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:03:45,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:03:45,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:03:45,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:03:45,623 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:03:45,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:03:45,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:03:45,669 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:03:45,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:03:45,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:03:45,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:03:45,673 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:03:45,673 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:03:45,674 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:03:45,674 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:03:45,674 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:03:45,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:03:45,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:03:45,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:03:45,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:03:45,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:03:45,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:03:45,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:03:45,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:03:45,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:03:45,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:03:45,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:03:45,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:03:45,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:03:45,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:03:45,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:03:45,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:03:45,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:03:45,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:03:45,681 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:03:45,681 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:03:45,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:03:45,682 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_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6eb9348af754e598a94b08c8ab1d1ba8b50e9f79e34a72936f4d36ffd0927628 [2022-11-16 11:03:45,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:03:46,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:03:46,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:03:46,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:03:46,009 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:03:46,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-16 11:03:46,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/data/8bb9d2967/138567681373412fad9681e8869d4329/FLAGb277b6565 [2022-11-16 11:03:46,959 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:03:46,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-16 11:03:47,006 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/data/8bb9d2967/138567681373412fad9681e8869d4329/FLAGb277b6565 [2022-11-16 11:03:47,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/data/8bb9d2967/138567681373412fad9681e8869d4329 [2022-11-16 11:03:47,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:03:47,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:03:47,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:03:47,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:03:47,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:03:47,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:03:47" (1/1) ... [2022-11-16 11:03:47,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eedbed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:47, skipping insertion in model container [2022-11-16 11:03:47,488 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:03:47" (1/1) ... [2022-11-16 11:03:47,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:03:47,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:03:48,715 WARN L229 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_6c25b106-78a3-4f93-ab82-f79ec1687dec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-16 11:03:48,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:03:48,759 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:03:49,150 WARN L229 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_6c25b106-78a3-4f93-ab82-f79ec1687dec/sv-benchmarks/c/ldv-commit-tester/m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i[176209,176222] [2022-11-16 11:03:49,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:03:49,258 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:03:49,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49 WrapperNode [2022-11-16 11:03:49,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:03:49,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:03:49,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:03:49,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:03:49,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,520 INFO L138 Inliner]: procedures = 146, calls = 1210, calls flagged for inlining = 64, calls inlined = 64, statements flattened = 2929 [2022-11-16 11:03:49,520 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:03:49,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:03:49,522 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:03:49,522 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:03:49,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,692 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:03:49,750 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:03:49,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:03:49,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:03:49,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (1/1) ... [2022-11-16 11:03:49,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:03:49,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:49,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:03:49,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:03:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_radio_text [2022-11-16 11:03:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_radio_text [2022-11-16 11:03:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:03:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:03:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:03:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:03:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_is_valid [2022-11-16 11:03:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_is_valid [2022-11-16 11:03:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_wait_stc [2022-11-16 11:03:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_wait_stc [2022-11-16 11:03:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_usecs [2022-11-16 11:03:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_usecs [2022-11-16 11:03:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_mute [2022-11-16 11:03:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_mute [2022-11-16 11:03:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:03:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:03:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-16 11:03:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-16 11:03:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:03:49,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:03:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_power_state [2022-11-16 11:03:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_power_state [2022-11-16 11:03:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_choose_econtrol_action [2022-11-16 11:03:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_choose_econtrol_action [2022-11-16 11:03:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-16 11:03:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-16 11:03:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:03:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:03:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-16 11:03:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-16 11:03:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_tune [2022-11-16 11:03:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_tune [2022-11-16 11:03:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:03:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:03:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:03:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 11:03:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 11:03:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__copy_from_user_1 [2022-11-16 11:03:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__copy_from_user_1 [2022-11-16 11:03:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-16 11:03:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-16 11:03:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:03:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:03:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_strlen [2022-11-16 11:03:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_strlen [2022-11-16 11:03:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-16 11:03:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-16 11:03:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_rds_buff [2022-11-16 11:03:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_rds_buff [2022-11-16 11:03:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:03:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_query_fill [2022-11-16 11:03:49,838 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_query_fill [2022-11-16 11:03:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure validate_range [2022-11-16 11:03:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure validate_range [2022-11-16 11:03:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_free [2022-11-16 11:03:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_free [2022-11-16 11:03:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_econtrol_integers [2022-11-16 11:03:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_econtrol_integers [2022-11-16 11:03:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:03:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:03:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_bulk_disable [2022-11-16 11:03:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_bulk_disable [2022-11-16 11:03:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:03:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_free [2022-11-16 11:03:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_free [2022-11-16 11:03:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_send_command [2022-11-16 11:03:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_send_command [2022-11-16 11:03:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-11-16 11:03:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-11-16 11:03:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-16 11:03:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-16 11:03:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_write_property [2022-11-16 11:03:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_write_property [2022-11-16 11:03:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:03:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 11:03:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 11:03:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:03:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:03:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_read_property [2022-11-16 11:03:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_read_property [2022-11-16 11:03:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-16 11:03:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-16 11:03:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_frequency [2022-11-16 11:03:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_frequency [2022-11-16 11:03:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-16 11:03:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-16 11:03:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:03:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:03:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:03:49,845 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:03:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:03:49,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-16 11:03:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-16 11:03:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_tx_tune_status [2022-11-16 11:03:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_tx_tune_status [2022-11-16 11:03:49,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_ret_val [2022-11-16 11:03:49,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_ret_val [2022-11-16 11:03:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_update_tune_status [2022-11-16 11:03:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_update_tune_status [2022-11-16 11:03:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_set_rds_ps_name [2022-11-16 11:03:49,847 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_set_rds_ps_name [2022-11-16 11:03:49,847 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_queryctrl [2022-11-16 11:03:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_queryctrl [2022-11-16 11:03:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure si4713_s_modulator [2022-11-16 11:03:49,848 INFO L138 BoogieDeclarations]: Found implementation of procedure si4713_s_modulator [2022-11-16 11:03:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:03:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-16 11:03:49,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:03:49,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:03:50,440 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:03:50,443 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:03:56,532 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:03:56,555 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:03:56,556 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:03:56,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:03:56 BoogieIcfgContainer [2022-11-16 11:03:56,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:03:56,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:03:56,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:03:56,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:03:56,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:03:47" (1/3) ... [2022-11-16 11:03:56,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0255e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:03:56, skipping insertion in model container [2022-11-16 11:03:56,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:03:49" (2/3) ... [2022-11-16 11:03:56,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c0255e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:03:56, skipping insertion in model container [2022-11-16 11:03:56,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:03:56" (3/3) ... [2022-11-16 11:03:56,577 INFO L112 eAbstractionObserver]: Analyzing ICFG m0_drivers-media-radio-si4713-i2c-ko--111_1a--064368f-1.i [2022-11-16 11:03:56,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:03:56,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:03:56,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:03:56,715 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;@77456186, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:03:56,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:03:56,723 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) [2022-11-16 11:03:56,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-16 11:03:56,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:03:56,751 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] [2022-11-16 11:03:56,752 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:03:56,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:56,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1725400191, now seen corresponding path program 1 times [2022-11-16 11:03:56,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:56,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100709495] [2022-11-16 11:03:56,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:56,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:03:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:03:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:03:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:03:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:03:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:03:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:03:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-16 11:03:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-16 11:03:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:03:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:57,981 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-16 11:03:57,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:03:57,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100709495] [2022-11-16 11:03:57,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100709495] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:03:57,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133166945] [2022-11-16 11:03:57,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:57,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:03:57,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:03:57,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:03:57,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 11:03:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:58,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:03:58,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:03:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 11:03:58,768 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:03:58,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133166945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:03:58,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:03:58,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-11-16 11:03:58,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13698703] [2022-11-16 11:03:58,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:03:58,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:03:58,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:03:58,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:03:58,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:03:58,867 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) [2022-11-16 11:03:59,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:03:59,149 INFO L93 Difference]: Finished difference Result 2051 states and 3016 transitions. [2022-11-16 11:03:59,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:03:59,152 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 [2022-11-16 11:03:59,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:03:59,181 INFO L225 Difference]: With dead ends: 2051 [2022-11-16 11:03:59,183 INFO L226 Difference]: Without dead ends: 1015 [2022-11-16 11:03:59,195 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 [2022-11-16 11:03:59,203 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:03:59,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5942 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:03:59,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2022-11-16 11:03:59,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2022-11-16 11:03:59,306 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) [2022-11-16 11:03:59,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1482 transitions. [2022-11-16 11:03:59,317 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1482 transitions. Word has length 87 [2022-11-16 11:03:59,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:03:59,318 INFO L495 AbstractCegarLoop]: Abstraction has 1015 states and 1482 transitions. [2022-11-16 11:03:59,318 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) [2022-11-16 11:03:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1482 transitions. [2022-11-16 11:03:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-16 11:03:59,325 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:03:59,325 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] [2022-11-16 11:03:59,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:03:59,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-11-16 11:03:59,534 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:03:59,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:03:59,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1114022495, now seen corresponding path program 1 times [2022-11-16 11:03:59,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:03:59,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92987423] [2022-11-16 11:03:59,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:03:59,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:03:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:03:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:03:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:03:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:04:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:04:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-16 11:04:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 11:04:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:04:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 11:04:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-16 11:04:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,121 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-11-16 11:04:00,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:00,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92987423] [2022-11-16 11:04:00,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92987423] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:04:00,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521526747] [2022-11-16 11:04:00,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:00,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:00,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:00,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:04:00,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 11:04:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:00,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:04:00,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-16 11:04:00,874 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:04:00,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521526747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:00,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 11:04:00,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2022-11-16 11:04:00,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012944101] [2022-11-16 11:04:00,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:00,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:04:00,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:00,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:04:00,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:04:00,877 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) [2022-11-16 11:04:00,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:00,993 INFO L93 Difference]: Finished difference Result 2022 states and 2951 transitions. [2022-11-16 11:04:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:04:00,994 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 [2022-11-16 11:04:00,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:01,001 INFO L225 Difference]: With dead ends: 2022 [2022-11-16 11:04:01,001 INFO L226 Difference]: Without dead ends: 1015 [2022-11-16 11:04:01,006 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 [2022-11-16 11:04:01,007 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 [2022-11-16 11:04:01,008 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] [2022-11-16 11:04:01,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2022-11-16 11:04:01,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 1015. [2022-11-16 11:04:01,076 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) [2022-11-16 11:04:01,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 1015 states and 1481 transitions. [2022-11-16 11:04:01,089 INFO L78 Accepts]: Start accepts. Automaton has 1015 states and 1481 transitions. Word has length 90 [2022-11-16 11:04:01,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:01,090 INFO L495 AbstractCegarLoop]: Abstraction has 1015 states and 1481 transitions. [2022-11-16 11:04:01,091 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) [2022-11-16 11:04:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1481 transitions. [2022-11-16 11:04:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 11:04:01,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:01,100 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] [2022-11-16 11:04:01,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:01,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:01,308 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:01,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:01,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1233779827, now seen corresponding path program 2 times [2022-11-16 11:04:01,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:01,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109721189] [2022-11-16 11:04:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:04:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:04:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:04:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:04:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 11:04:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:04:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:04:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:04:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-16 11:04:02,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:02,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109721189] [2022-11-16 11:04:02,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109721189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:02,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:02,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-16 11:04:02,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620470147] [2022-11-16 11:04:02,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:02,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 11:04:02,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:02,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 11:04:02,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-16 11:04:02,927 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) [2022-11-16 11:04:12,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:14,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:16,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:18,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:19,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:19,172 INFO L93 Difference]: Finished difference Result 2287 states and 3369 transitions. [2022-11-16 11:04:19,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:04:19,173 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 [2022-11-16 11:04:19,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:19,181 INFO L225 Difference]: With dead ends: 2287 [2022-11-16 11:04:19,181 INFO L226 Difference]: Without dead ends: 1295 [2022-11-16 11:04:19,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:04:19,196 INFO L413 NwaCegarLoop]: 1504 mSDtfsCounter, 546 mSDsluCounter, 6705 mSDsCounter, 0 mSdLazyCounter, 3919 mSolverCounterSat, 203 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 8209 SdHoareTripleChecker+Invalid, 4126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 3919 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:19,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 8209 Invalid, 4126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [203 Valid, 3919 Invalid, 4 Unknown, 0 Unchecked, 15.8s Time] [2022-11-16 11:04:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2022-11-16 11:04:19,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1021. [2022-11-16 11:04:19,246 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) [2022-11-16 11:04:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1490 transitions. [2022-11-16 11:04:19,255 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1490 transitions. Word has length 93 [2022-11-16 11:04:19,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:19,256 INFO L495 AbstractCegarLoop]: Abstraction has 1021 states and 1490 transitions. [2022-11-16 11:04:19,256 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) [2022-11-16 11:04:19,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1490 transitions. [2022-11-16 11:04:19,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 11:04:19,260 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:19,260 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] [2022-11-16 11:04:19,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:04:19,262 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:19,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:19,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1146300304, now seen corresponding path program 1 times [2022-11-16 11:04:19,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:19,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711987176] [2022-11-16 11:04:19,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:19,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:04:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:04:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:04:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:04:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 11:04:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:04:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:04:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:04:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-16 11:04:20,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:20,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711987176] [2022-11-16 11:04:20,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711987176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:20,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:20,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:04:20,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989236214] [2022-11-16 11:04:20,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:20,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:04:20,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:20,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:04:20,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:04:20,876 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) [2022-11-16 11:04:33,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:35,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:37,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:39,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:42,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:44,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:44,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:44,493 INFO L93 Difference]: Finished difference Result 2951 states and 4419 transitions. [2022-11-16 11:04:44,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-16 11:04:44,494 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 [2022-11-16 11:04:44,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:04:44,512 INFO L225 Difference]: With dead ends: 2951 [2022-11-16 11:04:44,515 INFO L226 Difference]: Without dead ends: 1953 [2022-11-16 11:04:44,521 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 [2022-11-16 11:04:44,524 INFO L413 NwaCegarLoop]: 2187 mSDtfsCounter, 1269 mSDsluCounter, 12843 mSDsCounter, 0 mSdLazyCounter, 6492 mSolverCounterSat, 309 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1469 SdHoareTripleChecker+Valid, 15030 SdHoareTripleChecker+Invalid, 6806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 6492 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:04:44,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1469 Valid, 15030 Invalid, 6806 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [309 Valid, 6492 Invalid, 5 Unknown, 0 Unchecked, 23.1s Time] [2022-11-16 11:04:44,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2022-11-16 11:04:44,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1022. [2022-11-16 11:04:44,588 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) [2022-11-16 11:04:44,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1491 transitions. [2022-11-16 11:04:44,595 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1491 transitions. Word has length 94 [2022-11-16 11:04:44,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:04:44,596 INFO L495 AbstractCegarLoop]: Abstraction has 1022 states and 1491 transitions. [2022-11-16 11:04:44,596 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) [2022-11-16 11:04:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1491 transitions. [2022-11-16 11:04:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-16 11:04:44,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:04:44,600 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] [2022-11-16 11:04:44,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:04:44,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:04:44,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:44,601 INFO L85 PathProgramCache]: Analyzing trace with hash -473678285, now seen corresponding path program 1 times [2022-11-16 11:04:44,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:44,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35391120] [2022-11-16 11:04:44,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:44,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:04:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:04:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:04:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:04:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:04:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 11:04:45,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:04:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:04:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:45,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:04:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:46,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:04:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:46,155 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-16 11:04:46,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:46,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35391120] [2022-11-16 11:04:46,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35391120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:46,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:46,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-16 11:04:46,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491520013] [2022-11-16 11:04:46,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:46,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:04:46,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:46,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:04:46,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:04:46,158 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) [2022-11-16 11:04:57,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:04:58,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:00,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:02,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:04,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:04,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:04,868 INFO L93 Difference]: Finished difference Result 2304 states and 3396 transitions. [2022-11-16 11:05:04,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-16 11:05:04,869 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 [2022-11-16 11:05:04,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:04,877 INFO L225 Difference]: With dead ends: 2304 [2022-11-16 11:05:04,877 INFO L226 Difference]: Without dead ends: 1305 [2022-11-16 11:05:04,882 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 [2022-11-16 11:05:04,883 INFO L413 NwaCegarLoop]: 1498 mSDtfsCounter, 651 mSDsluCounter, 7812 mSDsCounter, 0 mSdLazyCounter, 4437 mSolverCounterSat, 335 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 725 SdHoareTripleChecker+Valid, 9310 SdHoareTripleChecker+Invalid, 4776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 335 IncrementalHoareTripleChecker+Valid, 4437 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:04,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [725 Valid, 9310 Invalid, 4776 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [335 Valid, 4437 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2022-11-16 11:05:04,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1305 states. [2022-11-16 11:05:04,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1305 to 1028. [2022-11-16 11:05:04,925 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) [2022-11-16 11:05:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1500 transitions. [2022-11-16 11:05:04,931 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1500 transitions. Word has length 94 [2022-11-16 11:05:04,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:04,932 INFO L495 AbstractCegarLoop]: Abstraction has 1028 states and 1500 transitions. [2022-11-16 11:05:04,932 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) [2022-11-16 11:05:04,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1500 transitions. [2022-11-16 11:05:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-16 11:05:04,935 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:04,936 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] [2022-11-16 11:05:04,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:05:04,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:04,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:04,937 INFO L85 PathProgramCache]: Analyzing trace with hash 942011018, now seen corresponding path program 1 times [2022-11-16 11:05:04,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:05:04,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984423341] [2022-11-16 11:05:04,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:04,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:05:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:05:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 11:05:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:05:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:05:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 11:05:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 11:05:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-11-16 11:05:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-16 11:05:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-16 11:05:06,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 11:05:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:05:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-11-16 11:05:06,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:05:06,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984423341] [2022-11-16 11:05:06,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984423341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:05:06,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:05:06,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-16 11:05:06,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809256085] [2022-11-16 11:05:06,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:05:06,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-16 11:05:06,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:05:06,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-16 11:05:06,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:05:06,549 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) [2022-11-16 11:05:21,984 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 [] [2022-11-16 11:05:23,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:26,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:28,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:30,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:32,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:34,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:36,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:38,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:40,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:41,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:05:43,339 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 [] [2022-11-16 11:05:43,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:05:43,892 INFO L93 Difference]: Finished difference Result 2992 states and 4494 transitions. [2022-11-16 11:05:43,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 11:05:43,893 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 [2022-11-16 11:05:43,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:05:43,903 INFO L225 Difference]: With dead ends: 2992 [2022-11-16 11:05:43,903 INFO L226 Difference]: Without dead ends: 1987 [2022-11-16 11:05:43,908 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 [2022-11-16 11:05:43,908 INFO L413 NwaCegarLoop]: 2235 mSDtfsCounter, 1326 mSDsluCounter, 14781 mSDsCounter, 0 mSdLazyCounter, 7064 mSolverCounterSat, 437 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 17016 SdHoareTripleChecker+Invalid, 7512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 7064 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:05:43,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 17016 Invalid, 7512 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [437 Valid, 7064 Invalid, 11 Unknown, 0 Unchecked, 36.8s Time] [2022-11-16 11:05:43,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2022-11-16 11:05:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1034. [2022-11-16 11:05:43,984 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) [2022-11-16 11:05:43,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1510 transitions. [2022-11-16 11:05:43,989 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1510 transitions. Word has length 95 [2022-11-16 11:05:43,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:05:43,990 INFO L495 AbstractCegarLoop]: Abstraction has 1034 states and 1510 transitions. [2022-11-16 11:05:43,990 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) [2022-11-16 11:05:43,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1510 transitions. [2022-11-16 11:05:43,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-16 11:05:43,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:05:43,994 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] [2022-11-16 11:05:43,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:05:43,994 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:05:43,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:05:43,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1891720257, now seen corresponding path program 1 times [2022-11-16 11:05:43,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:05:43,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006469064] [2022-11-16 11:05:43,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:05:43,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:05:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:05:46,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:05:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:05:49,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:05:49,263 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:05:49,264 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:05:49,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:05:49,271 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-11-16 11:05:49,275 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:05:49,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:05:49 BoogieIcfgContainer [2022-11-16 11:05:49,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:05:49,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:05:49,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:05:49,428 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:05:49,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:03:56" (3/4) ... [2022-11-16 11:05:49,430 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-16 11:05:49,552 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:05:49,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:05:49,552 INFO L158 Benchmark]: Toolchain (without parser) took 122074.62ms. Allocated memory was 136.3MB in the beginning and 509.6MB in the end (delta: 373.3MB). Free memory was 95.6MB in the beginning and 373.1MB in the end (delta: -277.5MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2022-11-16 11:05:49,553 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:05:49,555 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1779.43ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 55.3MB in the end (delta: 40.3MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. [2022-11-16 11:05:49,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 258.11ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 55.3MB in the beginning and 119.3MB in the end (delta: -64.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2022-11-16 11:05:49,556 INFO L158 Benchmark]: Boogie Preprocessor took 227.24ms. Allocated memory is still 180.4MB. Free memory was 119.3MB in the beginning and 100.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:05:49,557 INFO L158 Benchmark]: RCFGBuilder took 6809.84ms. Allocated memory was 180.4MB in the beginning and 362.8MB in the end (delta: 182.5MB). Free memory was 100.4MB in the beginning and 280.5MB in the end (delta: -180.1MB). Peak memory consumption was 150.1MB. Max. memory is 16.1GB. [2022-11-16 11:05:49,558 INFO L158 Benchmark]: TraceAbstraction took 112863.26ms. Allocated memory was 362.8MB in the beginning and 509.6MB in the end (delta: 146.8MB). Free memory was 279.4MB in the beginning and 389.9MB in the end (delta: -110.5MB). Peak memory consumption was 294.7MB. Max. memory is 16.1GB. [2022-11-16 11:05:49,559 INFO L158 Benchmark]: Witness Printer took 124.31ms. Allocated memory is still 509.6MB. Free memory was 389.9MB in the beginning and 373.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-16 11:05:49,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 88.1MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1779.43ms. Allocated memory is still 136.3MB. Free memory was 95.6MB in the beginning and 55.3MB in the end (delta: 40.3MB). Peak memory consumption was 60.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 258.11ms. Allocated memory was 136.3MB in the beginning and 180.4MB in the end (delta: 44.0MB). Free memory was 55.3MB in the beginning and 119.3MB in the end (delta: -64.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 227.24ms. Allocated memory is still 180.4MB. Free memory was 119.3MB in the beginning and 100.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 6809.84ms. Allocated memory was 180.4MB in the beginning and 362.8MB in the end (delta: 182.5MB). Free memory was 100.4MB in the beginning and 280.5MB in the end (delta: -180.1MB). Peak memory consumption was 150.1MB. Max. memory is 16.1GB. * TraceAbstraction took 112863.26ms. Allocated memory was 362.8MB in the beginning and 509.6MB in the end (delta: 146.8MB). Free memory was 279.4MB in the beginning and 389.9MB in the end (delta: -110.5MB). Peak memory consumption was 294.7MB. Max. memory is 16.1GB. * Witness Printer took 124.31ms. Allocated memory is still 509.6MB. Free memory was 389.9MB in the beginning and 373.1MB 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: 112.6s, OverallIterations: 7, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 96.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 mSolverCounterUnknown, 4345 SdHoareTripleChecker+Valid, 94.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3795 mSDsluCounter, 61384 SdHoareTripleChecker+Invalid, 89.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50998 mSDsCounter, 1285 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21950 IncrementalHoareTripleChecker+Invalid, 23259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1285 mSolverCounterUnsat, 10386 mSDtfsCounter, 21950 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 369 GetRequests, 299 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 1.0s 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 2435 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 7.7s 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! [2022-11-16 11:05:49,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c25b106-78a3-4f93-ab82-f79ec1687dec/bin/uautomizer-tPACEb0tL8/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