./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ --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 a80d5d6260f748dd9867d7bcd6f4a93a5987d3d416867522c1bef6a78e755228 --- 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-dbf71c6-m [2022-10-17 10:37:24,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:37:24,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:37:24,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:37:24,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:37:24,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:37:24,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:37:24,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:37:24,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:37:24,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:37:24,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:37:24,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:37:24,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:37:24,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:37:24,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:37:24,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:37:24,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:37:24,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:37:24,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:37:24,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:37:24,971 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:37:24,972 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:37:24,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:37:24,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:37:24,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:37:24,987 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:37:24,987 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:37:24,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:37:24,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:37:24,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:37:24,993 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:37:24,994 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:37:24,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:37:24,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:37:24,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:37:24,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:37:25,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:37:25,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:37:25,000 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:37:25,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:37:25,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:37:25,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-10-17 10:37:25,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:37:25,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:37:25,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:37:25,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:37:25,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:37:25,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:37:25,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:37:25,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:37:25,063 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:37:25,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:37:25,064 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:37:25,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:37:25,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:37:25,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:37:25,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:37:25,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:37:25,066 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:37:25,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:37:25,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:37:25,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:37:25,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:37:25,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:25,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:37:25,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:37:25,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:37:25,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:37:25,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:37:25,081 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:37:25,081 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:37:25,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:37:25,081 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_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a80d5d6260f748dd9867d7bcd6f4a93a5987d3d416867522c1bef6a78e755228 [2022-10-17 10:37:25,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:37:25,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:37:25,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:37:25,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:37:25,382 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:37:25,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2022-10-17 10:37:25,444 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/data/256a339d6/f305fc8350754e8b80f2e03d98c1604d/FLAG3ff223d32 [2022-10-17 10:37:26,254 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:37:26,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2022-10-17 10:37:26,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/data/256a339d6/f305fc8350754e8b80f2e03d98c1604d/FLAG3ff223d32 [2022-10-17 10:37:26,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/data/256a339d6/f305fc8350754e8b80f2e03d98c1604d [2022-10-17 10:37:26,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:37:26,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:37:26,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:26,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:37:26,795 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:37:26,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:26" (1/1) ... [2022-10-17 10:37:26,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30638c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:26, skipping insertion in model container [2022-10-17 10:37:26,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:37:26" (1/1) ... [2022-10-17 10:37:26,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:37:26,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:37:28,673 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2022-10-17 10:37:28,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:28,801 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:37:29,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i[191080,191093] [2022-10-17 10:37:29,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:37:29,340 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:37:29,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29 WrapperNode [2022-10-17 10:37:29,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:37:29,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:29,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:37:29,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:37:29,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,636 INFO L138 Inliner]: procedures = 210, calls = 1426, calls flagged for inlining = 105, calls inlined = 105, statements flattened = 3494 [2022-10-17 10:37:29,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:37:29,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:37:29,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:37:29,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:37:29,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,854 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:37:29,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:37:29,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:37:29,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:37:29,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (1/1) ... [2022-10-17 10:37:29,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:37:29,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:37:29,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:37:29,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5702d327-5dc2-41f3-8187-7ddffe10a743/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:37:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_fe_init [2022-10-17 10:37:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_fe_init [2022-10-17 10:37:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2022-10-17 10:37:30,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2022-10-17 10:37:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-10-17 10:37:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-10-17 10:37:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-10-17 10:37:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-17 10:37:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-10-17 10:37:30,013 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-10-17 10:37:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-17 10:37:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-17 10:37:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-10-17 10:37:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-10-17 10:37:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure wait_i2c_result [2022-10-17 10:37:30,014 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_i2c_result [2022-10-17 10:37:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2022-10-17 10:37:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2022-10-17 10:37:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-10-17 10:37:30,015 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-10-17 10:37:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-17 10:37:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-17 10:37:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_streaming [2022-10-17 10:37:30,016 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_streaming [2022-10-17 10:37:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-10-17 10:37:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-10-17 10:37:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-10-17 10:37:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-10-17 10:37:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-10-17 10:37:30,017 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-10-17 10:37:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask [2022-10-17 10:37:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask [2022-10-17 10:37:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_lnb_ctrl [2022-10-17 10:37:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_lnb_ctrl [2022-10-17 10:37:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-17 10:37:30,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-17 10:37:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-17 10:37:30,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-17 10:37:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 10:37:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 10:37:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2022-10-17 10:37:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2022-10-17 10:37:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_free_dmabuf [2022-10-17 10:37:30,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_free_dmabuf [2022-10-17 10:37:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-10-17 10:37:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-10-17 10:37:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_alloc_dmabuf [2022-10-17 10:37:30,021 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_alloc_dmabuf [2022-10-17 10:37:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:37:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 10:37:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-10-17 10:37:30,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-10-17 10:37:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-10-17 10:37:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-10-17 10:37:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-10-17 10:37:30,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-10-17 10:37:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_device [2022-10-17 10:37:30,025 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_device [2022-10-17 10:37:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-10-17 10:37:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-10-17 10:37:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:37:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 10:37:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-10-17 10:37:30,026 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-10-17 10:37:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_base [2022-10-17 10:37:30,027 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_base [2022-10-17 10:37:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-10-17 10:37:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-10-17 10:37:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-10-17 10:37:30,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-10-17 10:37:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-10-17 10:37:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_resume [2022-10-17 10:37:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_resume [2022-10-17 10:37:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-17 10:37:30,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-17 10:37:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-17 10:37:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_demod_write [2022-10-17 10:37:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_demod_write [2022-10-17 10:37:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-10-17 10:37:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-10-17 10:37:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:37:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure send_i2c_cmd [2022-10-17 10:37:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure send_i2c_cmd [2022-10-17 10:37:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-10-17 10:37:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-10-17 10:37:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2022-10-17 10:37:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2022-10-17 10:37:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-17 10:37:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-17 10:37:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure cmdbuf_add [2022-10-17 10:37:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure cmdbuf_add [2022-10-17 10:37:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:37:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-10-17 10:37:30,034 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-10-17 10:37:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_stop_dma [2022-10-17 10:37:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_stop_dma [2022-10-17 10:37:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-17 10:37:30,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-17 10:37:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure put_byte_write [2022-10-17 10:37:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure put_byte_write [2022-10-17 10:37:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_coherent_mask [2022-10-17 10:37:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_coherent_mask [2022-10-17 10:37:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-10-17 10:37:30,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-10-17 10:37:30,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 10:37:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_set_tuner_power [2022-10-17 10:37:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_set_tuner_power [2022-10-17 10:37:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:37:30,038 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2022-10-17 10:37:30,038 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2022-10-17 10:37:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 10:37:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-10-17 10:37:30,039 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_suspend [2022-10-17 10:37:30,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_suspend [2022-10-17 10:37:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:37:30,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-10-17 10:37:30,040 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_start_dma [2022-10-17 10:37:30,041 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_start_dma [2022-10-17 10:37:30,041 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_find_adapter [2022-10-17 10:37:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_find_adapter [2022-10-17 10:37:30,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-10-17 10:37:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-10-17 10:37:30,045 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_init_dmabuf [2022-10-17 10:37:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_init_dmabuf [2022-10-17 10:37:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2022-10-17 10:37:30,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2022-10-17 10:37:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-10-17 10:37:30,048 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-10-17 10:37:30,054 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-10-17 10:37:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-10-17 10:37:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure pt3_cleanup_adapter [2022-10-17 10:37:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pt3_cleanup_adapter [2022-10-17 10:37:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:37:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:37:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:37:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-17 10:37:30,056 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-17 10:37:30,985 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:37:30,989 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:37:33,700 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-17 10:37:46,507 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:37:46,525 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:37:46,525 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:37:46,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:46 BoogieIcfgContainer [2022-10-17 10:37:46,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:37:46,532 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:37:46,532 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:37:46,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:37:46,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:37:26" (1/3) ... [2022-10-17 10:37:46,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6264ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:46, skipping insertion in model container [2022-10-17 10:37:46,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:37:29" (2/3) ... [2022-10-17 10:37:46,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6264ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:37:46, skipping insertion in model container [2022-10-17 10:37:46,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:37:46" (3/3) ... [2022-10-17 10:37:46,539 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--media--pci--pt3--earth-pt3.ko-entry_point.cil.out.i [2022-10-17 10:37:46,559 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:37:46,560 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 10:37:46,697 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:37:46,712 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;@204baae3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:37:46,712 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 10:37:46,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 989 states, 739 states have (on average 1.3802435723951285) internal successors, (1020), 756 states have internal predecessors, (1020), 190 states have call successors, (190), 59 states have call predecessors, (190), 58 states have return successors, (185), 185 states have call predecessors, (185), 185 states have call successors, (185) [2022-10-17 10:37:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:37:46,742 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:46,743 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:46,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:46,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:46,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1878981996, now seen corresponding path program 1 times [2022-10-17 10:37:46,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:46,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114743323] [2022-10-17 10:37:46,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:46,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:37:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:37:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:37:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:37:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:47,612 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 10:37:47,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:47,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114743323] [2022-10-17 10:37:47,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114743323] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:47,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:47,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-17 10:37:47,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641150780] [2022-10-17 10:37:47,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:47,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-17 10:37:47,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:47,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:37:47,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:37:47,663 INFO L87 Difference]: Start difference. First operand has 989 states, 739 states have (on average 1.3802435723951285) internal successors, (1020), 756 states have internal predecessors, (1020), 190 states have call successors, (190), 59 states have call predecessors, (190), 58 states have return successors, (185), 185 states have call predecessors, (185), 185 states have call successors, (185) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:37:50,027 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 [] [2022-10-17 10:37:53,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:37:56,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:37:58,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 10:37:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:37:58,409 INFO L93 Difference]: Finished difference Result 2071 states and 2997 transitions. [2022-10-17 10:37:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:37:58,412 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-10-17 10:37:58,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 10:37:58,469 INFO L225 Difference]: With dead ends: 2071 [2022-10-17 10:37:58,469 INFO L226 Difference]: Without dead ends: 1075 [2022-10-17 10:37:58,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:37:58,485 INFO L413 NwaCegarLoop]: 1386 mSDtfsCounter, 521 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 453 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 453 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-10-17 10:37:58,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 2154 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [453 Valid, 374 Invalid, 4 Unknown, 0 Unchecked, 10.4s Time] [2022-10-17 10:37:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2022-10-17 10:37:58,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 977. [2022-10-17 10:37:58,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 734 states have (on average 1.3719346049046321) internal successors, (1007), 744 states have internal predecessors, (1007), 185 states have call successors, (185), 58 states have call predecessors, (185), 57 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2022-10-17 10:37:58,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1375 transitions. [2022-10-17 10:37:58,646 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1375 transitions. Word has length 51 [2022-10-17 10:37:58,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 10:37:58,646 INFO L495 AbstractCegarLoop]: Abstraction has 977 states and 1375 transitions. [2022-10-17 10:37:58,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-17 10:37:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1375 transitions. [2022-10-17 10:37:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 10:37:58,650 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 10:37:58,650 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:37:58,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:37:58,651 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 10:37:58,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:37:58,651 INFO L85 PathProgramCache]: Analyzing trace with hash 373161192, now seen corresponding path program 1 times [2022-10-17 10:37:58,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:37:58,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681664037] [2022-10-17 10:37:58,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:37:58,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:37:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-17 10:37:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:59,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:37:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:59,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-17 10:37:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:59,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-17 10:37:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-17 10:37:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:37:59,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 10:37:59,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:37:59,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681664037] [2022-10-17 10:37:59,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681664037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:37:59,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:37:59,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:37:59,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802129761] [2022-10-17 10:37:59,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:37:59,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-17 10:37:59,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:37:59,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:37:59,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:37:59,131 INFO L87 Difference]: Start difference. First operand 977 states and 1375 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)