./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a --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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- 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-b5237d8 [2022-11-21 16:41:47,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:41:47,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:41:47,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:41:47,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:41:47,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:41:47,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:41:47,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:41:47,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:41:47,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:41:47,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:41:47,975 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:41:47,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:41:47,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:41:47,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:41:47,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:41:47,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:41:47,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:41:47,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:41:47,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:41:47,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:41:47,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:41:47,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:41:47,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:41:48,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:41:48,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:41:48,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:41:48,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:41:48,003 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:41:48,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:41:48,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:41:48,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:41:48,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:41:48,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:41:48,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:41:48,009 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:41:48,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:41:48,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:41:48,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:41:48,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:41:48,013 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:41:48,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 16:41:48,042 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:41:48,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:41:48,043 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:41:48,043 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:41:48,044 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:41:48,044 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:41:48,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:41:48,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:41:48,046 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:41:48,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:41:48,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:41:48,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:41:48,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:41:48,048 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:41:48,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:41:48,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:41:48,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:41:48,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:41:48,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:41:48,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:41:48,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:41:48,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:41:48,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:41:48,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:41:48,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:41:48,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:41:48,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:41:48,052 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:41:48,053 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:41:48,053 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:41:48,053 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-21 16:41:48,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:41:48,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:41:48,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:41:48,446 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:41:48,447 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:41:48,449 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-21 16:41:52,286 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:41:52,990 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:41:52,991 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-21 16:41:53,047 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data/b29308d86/8f980fa0fffe4c79baa15bda379b3022/FLAG60881568c [2022-11-21 16:41:53,072 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data/b29308d86/8f980fa0fffe4c79baa15bda379b3022 [2022-11-21 16:41:53,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:41:53,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:41:53,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:41:53,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:41:53,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:41:53,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:53" (1/1) ... [2022-11-21 16:41:53,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14921add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:53, skipping insertion in model container [2022-11-21 16:41:53,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:41:53" (1/1) ... [2022-11-21 16:41:53,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:41:53,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:41:55,252 WARN L237 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-21 16:41:55,364 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-21 16:41:55,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:41:55,401 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:41:55,965 WARN L237 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-21 16:41:55,992 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-21 16:41:55,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:41:56,087 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:41:56,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56 WrapperNode [2022-11-21 16:41:56,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:41:56,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:41:56,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:41:56,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:41:56,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,398 INFO L138 Inliner]: procedures = 259, calls = 1866, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1585 [2022-11-21 16:41:56,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:41:56,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:41:56,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:41:56,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:41:56,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:41:56,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:41:56,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:41:56,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:41:56,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (1/1) ... [2022-11-21 16:41:56,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:41:56,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:41:56,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:41:56,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:41:56,705 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-21 16:41:56,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-21 16:41:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:41:56,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:41:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-21 16:41:56,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-21 16:41:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:41:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:41:56,709 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-21 16:41:56,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-21 16:41:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:41:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:41:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:41:56,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:41:56,710 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-21 16:41:56,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-21 16:41:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:41:56,712 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:41:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:41:56,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:41:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:41:56,713 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:41:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:41:56,713 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-21 16:41:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-21 16:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 16:41:56,714 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 16:41:56,714 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 16:41:56,715 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 16:41:56,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-21 16:41:56,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-21 16:41:56,716 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 16:41:56,717 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 16:41:56,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-21 16:41:56,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-21 16:41:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 16:41:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-21 16:41:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-21 16:41:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 16:41:56,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:41:56,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:41:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:41:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 16:41:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 16:41:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-21 16:41:56,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-21 16:41:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:41:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:41:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:41:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:41:56,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:41:56,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:41:56,723 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-21 16:41:56,723 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-21 16:41:56,724 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 16:41:56,725 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 16:41:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:41:56,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-21 16:41:56,725 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-21 16:41:56,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-21 16:41:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:41:56,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:41:56,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:41:57,243 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:41:57,247 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:41:59,618 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:41:59,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:41:59,637 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:41:59,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:59 BoogieIcfgContainer [2022-11-21 16:41:59,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:41:59,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:41:59,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:41:59,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:41:59,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:41:53" (1/3) ... [2022-11-21 16:41:59,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13838520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:41:59, skipping insertion in model container [2022-11-21 16:41:59,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:41:56" (2/3) ... [2022-11-21 16:41:59,658 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13838520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:41:59, skipping insertion in model container [2022-11-21 16:41:59,658 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:59" (3/3) ... [2022-11-21 16:41:59,662 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-21 16:41:59,687 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:41:59,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:41:59,787 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:41:59,798 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;@e727b28, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:41:59,798 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:41:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-21 16:41:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 16:41:59,824 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:41:59,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:41:59,825 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:41:59,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:41:59,837 INFO L85 PathProgramCache]: Analyzing trace with hash 273593741, now seen corresponding path program 1 times [2022-11-21 16:41:59,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:41:59,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192461947] [2022-11-21 16:41:59,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:41:59,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:00,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:00,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192461947] [2022-11-21 16:42:00,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192461947] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:00,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:00,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:00,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377121250] [2022-11-21 16:42:00,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:00,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:00,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:00,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:00,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:00,725 INFO L87 Difference]: Start difference. First operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:00,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:01,000 INFO L93 Difference]: Finished difference Result 736 states and 1044 transitions. [2022-11-21 16:42:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:01,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-21 16:42:01,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:01,030 INFO L225 Difference]: With dead ends: 736 [2022-11-21 16:42:01,030 INFO L226 Difference]: Without dead ends: 414 [2022-11-21 16:42:01,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:01,049 INFO L413 NwaCegarLoop]: 439 mSDtfsCounter, 142 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:01,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 857 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:01,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-21 16:42:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 399. [2022-11-21 16:42:01,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 306 states have (on average 1.4248366013071896) internal successors, (436), 316 states have internal predecessors, (436), 62 states have call successors, (62), 31 states have call predecessors, (62), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-21 16:42:01,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 551 transitions. [2022-11-21 16:42:01,202 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 551 transitions. Word has length 17 [2022-11-21 16:42:01,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:01,211 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 551 transitions. [2022-11-21 16:42:01,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2022-11-21 16:42:01,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 16:42:01,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:01,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:01,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:42:01,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:01,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:01,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1660204033, now seen corresponding path program 1 times [2022-11-21 16:42:01,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:01,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761422538] [2022-11-21 16:42:01,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:01,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:01,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:01,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:01,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761422538] [2022-11-21 16:42:01,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761422538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:01,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:01,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:01,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376680851] [2022-11-21 16:42:01,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:01,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:01,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:01,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:01,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:01,664 INFO L87 Difference]: Start difference. First operand 399 states and 551 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:01,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:01,776 INFO L93 Difference]: Finished difference Result 401 states and 552 transitions. [2022-11-21 16:42:01,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:01,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-21 16:42:01,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:01,788 INFO L225 Difference]: With dead ends: 401 [2022-11-21 16:42:01,788 INFO L226 Difference]: Without dead ends: 398 [2022-11-21 16:42:01,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:01,793 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:01,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 423 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:01,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-21 16:42:01,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2022-11-21 16:42:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 306 states have (on average 1.4215686274509804) internal successors, (435), 315 states have internal predecessors, (435), 61 states have call successors, (61), 31 states have call predecessors, (61), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-21 16:42:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 549 transitions. [2022-11-21 16:42:01,865 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 549 transitions. Word has length 19 [2022-11-21 16:42:01,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:01,866 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 549 transitions. [2022-11-21 16:42:01,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:01,867 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 549 transitions. [2022-11-21 16:42:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 16:42:01,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:01,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:01,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:42:01,877 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:01,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash 73096171, now seen corresponding path program 1 times [2022-11-21 16:42:01,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:01,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782386432] [2022-11-21 16:42:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:01,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:02,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:02,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782386432] [2022-11-21 16:42:02,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782386432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:02,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:02,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:02,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262681595] [2022-11-21 16:42:02,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:02,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:02,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:02,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:02,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:02,239 INFO L87 Difference]: Start difference. First operand 398 states and 549 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:02,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:02,338 INFO L93 Difference]: Finished difference Result 405 states and 553 transitions. [2022-11-21 16:42:02,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:02,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-21 16:42:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:02,342 INFO L225 Difference]: With dead ends: 405 [2022-11-21 16:42:02,342 INFO L226 Difference]: Without dead ends: 401 [2022-11-21 16:42:02,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:02,346 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:02,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:02,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2022-11-21 16:42:02,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 399. [2022-11-21 16:42:02,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 308 states have (on average 1.4123376623376624) internal successors, (435), 315 states have internal predecessors, (435), 59 states have call successors, (59), 32 states have call predecessors, (59), 31 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-21 16:42:02,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 547 transitions. [2022-11-21 16:42:02,420 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 547 transitions. Word has length 20 [2022-11-21 16:42:02,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:02,421 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 547 transitions. [2022-11-21 16:42:02,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:02,422 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 547 transitions. [2022-11-21 16:42:02,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 16:42:02,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:02,424 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:02,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:42:02,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:02,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:02,428 INFO L85 PathProgramCache]: Analyzing trace with hash -2029167486, now seen corresponding path program 1 times [2022-11-21 16:42:02,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:02,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997953059] [2022-11-21 16:42:02,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:02,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:02,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:02,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997953059] [2022-11-21 16:42:02,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997953059] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:02,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:02,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:02,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698043377] [2022-11-21 16:42:02,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:02,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:02,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:02,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:02,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:02,743 INFO L87 Difference]: Start difference. First operand 399 states and 547 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:02,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:02,830 INFO L93 Difference]: Finished difference Result 401 states and 548 transitions. [2022-11-21 16:42:02,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:02,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-21 16:42:02,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:02,834 INFO L225 Difference]: With dead ends: 401 [2022-11-21 16:42:02,835 INFO L226 Difference]: Without dead ends: 398 [2022-11-21 16:42:02,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:02,837 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:02,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:02,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-11-21 16:42:02,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2022-11-21 16:42:02,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 308 states have (on average 1.4090909090909092) internal successors, (434), 314 states have internal predecessors, (434), 58 states have call successors, (58), 32 states have call predecessors, (58), 31 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-21 16:42:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 545 transitions. [2022-11-21 16:42:02,893 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 545 transitions. Word has length 21 [2022-11-21 16:42:02,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:02,894 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 545 transitions. [2022-11-21 16:42:02,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 545 transitions. [2022-11-21 16:42:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 16:42:02,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:02,896 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:02,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:42:02,897 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:02,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1520140750, now seen corresponding path program 1 times [2022-11-21 16:42:02,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:02,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537263190] [2022-11-21 16:42:02,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:02,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:03,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:03,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:03,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537263190] [2022-11-21 16:42:03,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537263190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:03,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:03,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:03,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575106962] [2022-11-21 16:42:03,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:03,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:03,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:03,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:03,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:03,137 INFO L87 Difference]: Start difference. First operand 398 states and 545 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:03,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:03,296 INFO L93 Difference]: Finished difference Result 604 states and 834 transitions. [2022-11-21 16:42:03,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:03,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-21 16:42:03,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:03,303 INFO L225 Difference]: With dead ends: 604 [2022-11-21 16:42:03,304 INFO L226 Difference]: Without dead ends: 600 [2022-11-21 16:42:03,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:03,307 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 152 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:03,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 826 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:03,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-11-21 16:42:03,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 598. [2022-11-21 16:42:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 471 states have (on average 1.4288747346072186) internal successors, (673), 479 states have internal predecessors, (673), 80 states have call successors, (80), 48 states have call predecessors, (80), 46 states have return successors, (75), 71 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-21 16:42:03,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 828 transitions. [2022-11-21 16:42:03,383 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 828 transitions. Word has length 22 [2022-11-21 16:42:03,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:03,384 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 828 transitions. [2022-11-21 16:42:03,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:03,384 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 828 transitions. [2022-11-21 16:42:03,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 16:42:03,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:03,387 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:03,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:42:03,388 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:03,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:03,389 INFO L85 PathProgramCache]: Analyzing trace with hash -120448763, now seen corresponding path program 1 times [2022-11-21 16:42:03,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:03,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276977416] [2022-11-21 16:42:03,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:03,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:03,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:03,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:03,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276977416] [2022-11-21 16:42:03,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276977416] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:03,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:03,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:03,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184463920] [2022-11-21 16:42:03,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:03,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:03,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:03,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:03,613 INFO L87 Difference]: Start difference. First operand 598 states and 828 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:03,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:03,716 INFO L93 Difference]: Finished difference Result 600 states and 829 transitions. [2022-11-21 16:42:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:03,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-21 16:42:03,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:03,723 INFO L225 Difference]: With dead ends: 600 [2022-11-21 16:42:03,723 INFO L226 Difference]: Without dead ends: 575 [2022-11-21 16:42:03,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:03,725 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 396 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:03,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:03,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2022-11-21 16:42:03,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2022-11-21 16:42:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 457 states have (on average 1.4310722100656454) internal successors, (654), 463 states have internal predecessors, (654), 73 states have call successors, (73), 46 states have call predecessors, (73), 44 states have return successors, (69), 66 states have call predecessors, (69), 69 states have call successors, (69) [2022-11-21 16:42:03,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 796 transitions. [2022-11-21 16:42:03,779 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 796 transitions. Word has length 23 [2022-11-21 16:42:03,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:03,779 INFO L495 AbstractCegarLoop]: Abstraction has 575 states and 796 transitions. [2022-11-21 16:42:03,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:03,780 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 796 transitions. [2022-11-21 16:42:03,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-21 16:42:03,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:03,782 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:03,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:42:03,782 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:03,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:03,783 INFO L85 PathProgramCache]: Analyzing trace with hash 590221083, now seen corresponding path program 1 times [2022-11-21 16:42:03,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:03,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857386118] [2022-11-21 16:42:03,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:03,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 16:42:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:04,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-21 16:42:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:04,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:04,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:04,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857386118] [2022-11-21 16:42:04,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857386118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:04,198 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:04,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:42:04,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989317857] [2022-11-21 16:42:04,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:04,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:42:04,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:04,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:42:04,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:42:04,201 INFO L87 Difference]: Start difference. First operand 575 states and 796 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:42:05,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:05,073 INFO L93 Difference]: Finished difference Result 1146 states and 1588 transitions. [2022-11-21 16:42:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:42:05,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-11-21 16:42:05,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:05,078 INFO L225 Difference]: With dead ends: 1146 [2022-11-21 16:42:05,079 INFO L226 Difference]: Without dead ends: 574 [2022-11-21 16:42:05,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:05,082 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 457 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:05,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 744 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-21 16:42:05,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-11-21 16:42:05,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2022-11-21 16:42:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 457 states have (on average 1.4266958424507659) internal successors, (652), 462 states have internal predecessors, (652), 72 states have call successors, (72), 46 states have call predecessors, (72), 44 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-21 16:42:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 791 transitions. [2022-11-21 16:42:05,135 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 791 transitions. Word has length 45 [2022-11-21 16:42:05,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:05,136 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 791 transitions. [2022-11-21 16:42:05,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-21 16:42:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 791 transitions. [2022-11-21 16:42:05,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-21 16:42:05,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:05,139 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:05,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:42:05,139 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:05,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:05,140 INFO L85 PathProgramCache]: Analyzing trace with hash 741731796, now seen corresponding path program 1 times [2022-11-21 16:42:05,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:05,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603740539] [2022-11-21 16:42:05,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:05,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:42:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:05,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 16:42:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:05,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-21 16:42:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-21 16:42:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 16:42:05,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:05,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603740539] [2022-11-21 16:42:05,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603740539] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:05,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:05,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:05,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843440281] [2022-11-21 16:42:05,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:05,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:42:05,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:05,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:42:05,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:05,551 INFO L87 Difference]: Start difference. First operand 574 states and 791 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:42:06,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:06,581 INFO L93 Difference]: Finished difference Result 576 states and 792 transitions. [2022-11-21 16:42:06,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 16:42:06,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2022-11-21 16:42:06,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:06,585 INFO L225 Difference]: With dead ends: 576 [2022-11-21 16:42:06,585 INFO L226 Difference]: Without dead ends: 573 [2022-11-21 16:42:06,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-21 16:42:06,587 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 238 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:06,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 896 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-21 16:42:06,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2022-11-21 16:42:06,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 573. [2022-11-21 16:42:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 457 states have (on average 1.424507658643326) internal successors, (651), 461 states have internal predecessors, (651), 71 states have call successors, (71), 46 states have call predecessors, (71), 44 states have return successors, (67), 66 states have call predecessors, (67), 67 states have call successors, (67) [2022-11-21 16:42:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 789 transitions. [2022-11-21 16:42:06,637 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 789 transitions. Word has length 54 [2022-11-21 16:42:06,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:06,637 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 789 transitions. [2022-11-21 16:42:06,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-21 16:42:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 789 transitions. [2022-11-21 16:42:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-21 16:42:06,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:06,640 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:06,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:42:06,641 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:06,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:06,641 INFO L85 PathProgramCache]: Analyzing trace with hash 360678227, now seen corresponding path program 1 times [2022-11-21 16:42:06,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:06,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829976848] [2022-11-21 16:42:06,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 16:42:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-11-21 16:42:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:07,271 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-21 16:42:07,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:42:07,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829976848] [2022-11-21 16:42:07,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829976848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:07,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:07,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:42:07,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990793439] [2022-11-21 16:42:07,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:07,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-21 16:42:07,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:42:07,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-21 16:42:07,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:07,277 INFO L87 Difference]: Start difference. First operand 573 states and 789 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:42:08,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:08,377 INFO L93 Difference]: Finished difference Result 1171 states and 1609 transitions. [2022-11-21 16:42:08,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 16:42:08,378 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 53 [2022-11-21 16:42:08,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:08,382 INFO L225 Difference]: With dead ends: 1171 [2022-11-21 16:42:08,382 INFO L226 Difference]: Without dead ends: 593 [2022-11-21 16:42:08,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-21 16:42:08,387 INFO L413 NwaCegarLoop]: 273 mSDtfsCounter, 150 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:08,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 963 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-21 16:42:08,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-11-21 16:42:08,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 525. [2022-11-21 16:42:08,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 425 states have (on average 1.44) internal successors, (612), 428 states have internal predecessors, (612), 62 states have call successors, (62), 39 states have call predecessors, (62), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-21 16:42:08,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 732 transitions. [2022-11-21 16:42:08,436 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 732 transitions. Word has length 53 [2022-11-21 16:42:08,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:08,437 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 732 transitions. [2022-11-21 16:42:08,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-21 16:42:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 732 transitions. [2022-11-21 16:42:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 16:42:08,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:08,440 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:08,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:42:08,441 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:08,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:08,442 INFO L85 PathProgramCache]: Analyzing trace with hash 763976356, now seen corresponding path program 1 times [2022-11-21 16:42:08,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:42:08,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961313909] [2022-11-21 16:42:08,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:08,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:42:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:42:08,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:42:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:42:09,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:42:09,004 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:42:09,006 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:42:09,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 16:42:09,012 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:09,017 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:42:09,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:42:09 BoogieIcfgContainer [2022-11-21 16:42:09,208 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:42:09,209 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:42:09,209 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:42:09,210 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:42:09,210 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:41:59" (3/4) ... [2022-11-21 16:42:09,216 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:42:09,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:42:09,217 INFO L158 Benchmark]: Toolchain (without parser) took 16133.64ms. Allocated memory was 167.8MB in the beginning and 350.2MB in the end (delta: 182.5MB). Free memory was 115.8MB in the beginning and 89.4MB in the end (delta: 26.4MB). Peak memory consumption was 212.1MB. Max. memory is 16.1GB. [2022-11-21 16:42:09,218 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:42:09,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2999.40ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 87.3MB in the end (delta: 28.5MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2022-11-21 16:42:09,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 311.45ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 75.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 16:42:09,219 INFO L158 Benchmark]: Boogie Preprocessor took 198.79ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 75.5MB in the beginning and 169.1MB in the end (delta: -93.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-11-21 16:42:09,219 INFO L158 Benchmark]: RCFGBuilder took 3039.12ms. Allocated memory is still 232.8MB. Free memory was 169.1MB in the beginning and 117.1MB in the end (delta: 52.1MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2022-11-21 16:42:09,220 INFO L158 Benchmark]: TraceAbstraction took 9565.22ms. Allocated memory was 232.8MB in the beginning and 350.2MB in the end (delta: 117.4MB). Free memory was 115.8MB in the beginning and 89.4MB in the end (delta: 26.4MB). Peak memory consumption was 142.8MB. Max. memory is 16.1GB. [2022-11-21 16:42:09,221 INFO L158 Benchmark]: Witness Printer took 7.43ms. Allocated memory is still 350.2MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:42:09,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 121.6MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2999.40ms. Allocated memory is still 167.8MB. Free memory was 115.8MB in the beginning and 87.3MB in the end (delta: 28.5MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 311.45ms. Allocated memory is still 167.8MB. Free memory was 87.3MB in the beginning and 75.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 198.79ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 75.5MB in the beginning and 169.1MB in the end (delta: -93.7MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3039.12ms. Allocated memory is still 232.8MB. Free memory was 169.1MB in the beginning and 117.1MB in the end (delta: 52.1MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9565.22ms. Allocated memory was 232.8MB in the beginning and 350.2MB in the end (delta: 117.4MB). Free memory was 115.8MB in the beginning and 89.4MB in the end (delta: 26.4MB). Peak memory consumption was 142.8MB. Max. memory is 16.1GB. * Witness Printer took 7.43ms. Allocated memory is still 350.2MB. Free memory is still 89.4MB. There was no memory consumed. 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. * 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 - UnprovableResult [Line: 6023]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 3473. Possible FailurePath: [L3298] int ldv_state_variable_3 ; [L3299] int ldv_state_variable_1 ; [L3300] int ldv_state_variable_2 ; [L3301] int ref_cnt ; [L3302] int ldv_state_variable_0 ; [L3412] int rc_core_debug ; [L3472] static struct list_head rc_map_list = {& rc_map_list, & rc_map_list}; [L3473-L3474] static spinlock_t rc_map_lock = {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "rc_map_lock", 0, 0UL}}}}; [L3551] static struct rc_map_table empty[1U] = { {42U, 152U}}; [L3552-L3559] static struct rc_map_list empty_map = {{0, 0}, {(struct rc_map_table *)(& empty), 1U, 0U, 0U, 0, "rc-empty", {{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}}}; [L4237-L4238] static struct class ir_input_class = {"rc", 0, 0, 0, 0, 0, 0, & ir_devnode, 0, 0, 0, 0, 0, 0, 0, 0}; [L4239-L4251] static struct __anonstruct_proto_names_168 proto_names[12U] = { {0ULL, (char *)"none"}, {2ULL, (char *)"other"}, {1ULL, (char *)"unknown"}, {24ULL, (char *)"rc-5"}, {1024ULL, (char *)"nec"}, {253952ULL, (char *)"rc-6"}, {64ULL, (char *)"jvc"}, {896ULL, (char *)"sony"}, {32ULL, (char *)"rc-5-sz"}, {2048ULL, (char *)"sanyo"}, {4096ULL, (char *)"mce_kbd"}, {4ULL, (char *)"lirc"}}; [L4578-L4580] static struct device_attribute dev_attr_protocols = {{"protocols", 420U, (_Bool)0, 0, {{{(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}, {(char)0}}}}, & show_protocols, & store_protocols}; [L4581] static struct attribute *rc_dev_attrs[2U] = { & dev_attr_protocols.attr, 0}; [L4582] static struct attribute_group rc_dev_attr_grp = {0, 0, (struct attribute **)(& rc_dev_attrs)}; [L4583] static struct attribute_group const *rc_dev_attr_groups[2U] = { (struct attribute_group const *)(& rc_dev_attr_grp), 0}; [L4584-L4585] static struct device_type rc_dev_type = {0, (struct attribute_group const **)(& rc_dev_attr_groups), & rc_dev_uevent, 0, & rc_dev_release, 0}; [L4884] char *ldvarg3 ; [L4885] struct device *dev_attr_protocols_group0 ; [L4886] struct kobj_uevent_env *ldvarg0 ; [L4887] char *ldvarg5 ; [L4888] struct device *ldvarg1 ; [L4889] int ldv_retval_0 ; [L4890] size_t ldvarg4 ; [L4892] struct device_attribute *dev_attr_protocols_group1 ; [L4894] struct device *rc_dev_type_group0 ; [L4895] umode_t *ldvarg2 ; [L5297] static struct list_head ir_raw_client_list = {& ir_raw_client_list, & ir_raw_client_list}; [L5298-L5301] static struct mutex ir_raw_handler_lock = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "ir_raw_handler_lock.wait_lock", 0, 0UL}}}}, {& ir_raw_handler_lock.wait_list, & ir_raw_handler_lock.wait_list}, 0, 0, (void *)(& ir_raw_handler_lock), {0, {0, 0}, "ir_raw_handler_lock", 0, 0UL}}; [L5302] static struct list_head ir_raw_handler_list = {& ir_raw_handler_list, & ir_raw_handler_list}; [L5303] static u64 available_protocols ; [L5304] static struct work_struct wq_load ; [L6040] static int ldv_mutex_cred_guard_mutex_of_signal_struct ; [L6143] static int ldv_mutex_ir_raw_handler_lock ; [L6245] static int ldv_mutex_lock ; [L6347] static int ldv_mutex_lock_of_rc_dev ; [L6449] static int ldv_mutex_mutex_of_device ; VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:0}, dev_attr_protocols_group1={0:0}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=0, ldv_mutex_ir_raw_handler_lock=0, ldv_mutex_lock=0, ldv_mutex_lock_of_rc_dev=0, ldv_mutex_mutex_of_device=0, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:0}, ldvarg4=0, ldvarg5={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4898] int tmp ; [L4899] int tmp___0 ; [L4900] int tmp___1 ; [L4901] int tmp___2 ; [L4902] int tmp___3 ; [L4904] ldvarg0 = (struct kobj_uevent_env*) __VERIFIER_nondet_long () [L4905] ldvarg1 = (struct device*) __VERIFIER_nondet_long () [L4906] ldvarg2 = (umode_t *) __VERIFIER_nondet_long () [L4907] ldvarg3 = (char*) __VERIFIER_nondet_long () [L4908] ldvarg4 = (size_t) __VERIFIER_nondet_long () [L4909] ldvarg5 = (char*) __VERIFIER_nondet_long () [L4910] dev_attr_protocols_group0 = (struct device *)__VERIFIER_nondet_long () [L4911] dev_attr_protocols_group1 = (struct device_attribute *)__VERIFIER_nondet_long () [L4912] rc_dev_type_group0 = (struct device*) __VERIFIER_nondet_long () [L4913] CALL ldv_initialize() [L6554] ldv_mutex_cred_guard_mutex_of_signal_struct = 1 [L6555] ldv_mutex_ir_raw_handler_lock = 1 [L6556] ldv_mutex_lock = 1 [L6557] ldv_mutex_lock_of_rc_dev = 1 [L6558] ldv_mutex_mutex_of_device = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4913] RET ldv_initialize() [L4914] ldv_state_variable_1 = 0 [L4915] ref_cnt = 0 [L4916] ldv_state_variable_0 = 1 [L4917] ldv_state_variable_3 = 0 [L4918] ldv_state_variable_2 = 0 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, wq_load={201:0}] [L4962] COND TRUE ldv_state_variable_0 != 0 [L4963] tmp___1 = __VERIFIER_nondet_int() [L4965] case 0: [L4973] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4974] COND TRUE ldv_state_variable_0 == 1 [L4975] CALL, EXPR rc_core_init() [L4861] int rc ; [L4862] struct lock_class_key __key ; [L4863] int tmp ; [L4865] CALL, EXPR __class_register(& ir_input_class, & __key) [L6590] return __VERIFIER_nondet_int(); [L4865] RET, EXPR __class_register(& ir_input_class, & __key) [L4865] tmp = __class_register(& ir_input_class, & __key) [L4866] rc = tmp VAL [__key={203:0}, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4867] COND FALSE !(rc != 0) [L4872] CALL rc_map_register(& empty_map) [L3536] CALL spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3319] FCALL _raw_spin_lock(& lock->ldv_5961.rlock) [L3536] RET spin_lock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3537] CALL list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3236] EXPR head->prev [L3236] FCALL __list_add(new, head->prev, head) [L3537] RET list_add_tail(& map->list, & rc_map_list) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3538] CALL spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3326] FCALL _raw_spin_unlock(& lock->ldv_5961.rlock) [L3538] RET spin_unlock(& rc_map_lock) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L3539] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, map={190:0}, map={190:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4872] RET rc_map_register(& empty_map) [L4873] return (0); [L4873] return (0); VAL [\result=0, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_state_variable_3=0, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc=0, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=0, wq_load={201:0}] [L4975] RET, EXPR rc_core_init() [L4975] ldv_retval_0 = rc_core_init() [L4976] COND TRUE ldv_retval_0 == 0 [L4977] ldv_state_variable_0 = 3 [L4978] ldv_state_variable_2 = 1 [L4979] ldv_state_variable_3 = 1 [L4980] ldv_state_variable_1 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4983] COND FALSE !(ldv_retval_0 != 0) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=1, tmp___1=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: [L5028] case 1: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5029] COND TRUE ldv_state_variable_2 == 1 [L5030] CALL show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L4254] struct rc_dev *dev ; [L4255] struct device const *__mptr ; [L4256] u64 allowed ; [L4257] u64 enabled ; [L4258] char *tmp ; [L4259] int i ; [L4260] struct _ddebug descriptor ; [L4261] long tmp___0 ; [L4262] int tmp___1 ; [L4263] int tmp___2 ; [L4265] __mptr = (struct device const *)device [L4266] dev = (struct rc_dev *)__mptr [L4267] tmp = buf VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4268] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4272] CALL ldv_mutex_lock_6(& dev->lock) [L5099] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND TRUE ldv_mutex_lock_of_rc_dev == 1 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=1, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6387] ldv_mutex_lock_of_rc_dev = 2 VAL [\old(ldv_mutex_lock_of_rc_dev)=1, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5099] RET ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L5100] FCALL mutex_lock(ldv_func_arg1) VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_func_arg1={0:0}, ldv_func_arg1={0:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L4272] RET ldv_mutex_lock_6(& dev->lock) [L4273] EXPR dev->driver_type VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev->driver_type=4294967297, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4273] COND FALSE !((unsigned int )dev->driver_type == 0U) [L4277] EXPR dev->raw VAL [__mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, descriptor={204:0}, dev={0:-1227}, dev->raw={0:0}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L4277] COND FALSE !((unsigned long )dev->raw != (unsigned long )((struct ir_raw_event_ctrl *)0)) [L4281] return (-19L); [L4281] return (-19L); VAL [\result=-19, __mptr={0:-1227}, available_protocols=0, buf={0:-5}, buf={0:-5}, dev={0:-1227}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp={0:-5}, wq_load={201:0}] [L5030] RET show_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, ldvarg3) [L5031] ldv_state_variable_2 = 1 VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L4920] tmp = __VERIFIER_nondet_int() [L4922] case 0: [L4961] case 1: [L4998] case 2: [L5016] case 3: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=1, wq_load={201:0}] [L5017] COND TRUE ldv_state_variable_2 != 0 [L5018] tmp___3 = __VERIFIER_nondet_int() [L5020] case 0: VAL [available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, tmp=3, tmp___1=1, tmp___3=0, wq_load={201:0}] [L5021] COND TRUE ldv_state_variable_2 == 1 [L5022-L5023] CALL store_protocols(dev_attr_protocols_group0, dev_attr_protocols_group1, (char const *)ldvarg5, ldvarg4) [L4333] struct rc_dev *dev ; [L4334] struct device const *__mptr ; [L4335] bool enable ; [L4336] bool disable ; [L4337] char const *tmp ; [L4338] u64 type ; [L4339] u64 mask ; [L4340] int rc ; [L4341] int i ; [L4342] int count ; [L4343] unsigned long flags ; [L4344] ssize_t ret ; [L4345] struct _ddebug descriptor ; [L4346] long tmp___0 ; [L4347] int tmp___1 ; [L4348] struct _ddebug descriptor___0 ; [L4349] long tmp___2 ; [L4350] char *tmp___3 ; [L4351] struct _ddebug descriptor___1 ; [L4352] long tmp___4 ; [L4353] struct _ddebug descriptor___2 ; [L4354] long tmp___5 ; [L4355] raw_spinlock_t *tmp___6 ; [L4356] struct _ddebug descriptor___3 ; [L4357] long tmp___7 ; [L4359] __mptr = (struct device const *)device [L4360] dev = (struct rc_dev *)__mptr [L4361] count = 0 VAL [\old(len)=18446744073709551613, __mptr={0:-1227}, available_protocols=0, count=0, data={0:-2}, data={210:0}, descriptor={202:0}, descriptor___0={208:0}, descriptor___1={206:0}, descriptor___2={207:0}, descriptor___3={209:0}, dev={0:-1227}, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, device={0:-1227}, device={0:-1227}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, len=18446744073709551613, mattr={0:-4}, mattr={0:-4}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, type={205:0}, wq_load={201:0}] [L4362] COND FALSE !((unsigned long )dev == (unsigned long )((struct rc_dev *)0)) [L4366] CALL ldv_mutex_lock_8(& dev->lock) [L5115] CALL ldv_mutex_lock_lock_of_rc_dev(ldv_func_arg1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6383] COND FALSE !(ldv_mutex_lock_of_rc_dev == 1) VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, lock={0:0}, lock={0:0}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6385] CALL ldv_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] [L6023] reach_error() VAL [\old(ldv_mutex_lock_of_rc_dev)=2, available_protocols=0, dev_attr_protocols={193:0}, dev_attr_protocols_group0={0:-1227}, dev_attr_protocols_group1={0:-4}, empty={189:0}, empty_map={190:0}, ir_input_class={191:0}, ir_raw_client_list={198:0}, ir_raw_handler_list={200:0}, ir_raw_handler_lock={199:0}, ldv_mutex_cred_guard_mutex_of_signal_struct=1, ldv_mutex_ir_raw_handler_lock=1, ldv_mutex_lock=1, ldv_mutex_lock_of_rc_dev=2, ldv_mutex_mutex_of_device=1, ldv_retval_0=0, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_state_variable_3=1, ldvarg0={0:0}, ldvarg1={0:0}, ldvarg2={0:0}, ldvarg3={0:-5}, ldvarg4=18446744073709551613, ldvarg5={0:-2}, proto_names={192:0}, rc_core_debug=0, rc_dev_attr_groups={196:0}, rc_dev_attr_grp={195:0}, rc_dev_attrs={194:0}, rc_dev_type={197:0}, rc_dev_type_group0={0:0}, rc_map_list={187:0}, rc_map_lock={188:0}, ref_cnt=0, wq_load={201:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 317 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2770 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2734 mSDsluCounter, 5971 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2538 mSDsCounter, 235 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1227 IncrementalHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 235 mSolverCounterUnsat, 3433 mSDtfsCounter, 1227 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=598occurred in iteration=5, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 87 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 344 NumberOfCodeBlocks, 344 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 265 ConstructedInterpolants, 0 QuantifiedInterpolants, 509 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 24/24 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 could not prove your program: unable to determine feasibility of some traces [2022-11-21 16:42:09,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a --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 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 --- 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-b5237d8 [2022-11-21 16:42:12,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:42:12,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:42:12,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:42:12,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:42:12,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:42:12,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:42:12,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:42:12,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:42:12,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:42:12,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:42:12,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:42:12,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:42:12,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:42:12,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:42:12,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:42:12,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:42:12,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:42:12,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:42:12,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:42:12,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:42:12,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:42:12,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:42:12,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:42:12,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:42:12,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:42:12,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:42:12,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:42:12,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:42:12,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:42:12,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:42:12,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:42:12,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:42:12,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:42:12,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:42:12,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:42:12,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:42:12,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:42:12,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:42:12,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:42:12,381 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:42:12,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 16:42:12,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:42:12,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:42:12,417 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:42:12,417 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:42:12,418 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:42:12,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:42:12,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:42:12,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:42:12,421 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:42:12,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:42:12,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:42:12,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:42:12,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:42:12,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:42:12,423 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 16:42:12,423 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 16:42:12,423 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 16:42:12,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:42:12,424 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:42:12,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:42:12,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:42:12,425 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:42:12,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:42:12,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:42:12,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:42:12,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:42:12,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:42:12,427 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 16:42:12,427 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 16:42:12,428 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:42:12,428 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:42:12,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:42:12,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 16:42:12,429 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8001390eb2f6d47f3c7e12a6690b5c61f51c12957cc81df6245a38db5a896095 [2022-11-21 16:42:12,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:42:12,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:42:12,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:42:12,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:42:12,966 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:42:12,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-21 16:42:16,576 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:42:17,292 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:42:17,293 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-21 16:42:17,330 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data/4e9c46281/eb40168a07bb45769f19e48f47af77b3/FLAGa0acf55ab [2022-11-21 16:42:17,355 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/data/4e9c46281/eb40168a07bb45769f19e48f47af77b3 [2022-11-21 16:42:17,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:42:17,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:42:17,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:42:17,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:42:17,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:42:17,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23e617a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:17, skipping insertion in model container [2022-11-21 16:42:17,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:42:17" (1/1) ... [2022-11-21 16:42:17,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:42:17,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:42:19,775 WARN L237 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-21 16:42:19,903 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-21 16:42:19,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:42:19,952 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 16:42:19,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:42:20,335 WARN L237 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-21 16:42:20,349 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-21 16:42:20,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:42:20,377 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:42:20,701 WARN L237 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_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i[175309,175322] [2022-11-21 16:42:20,764 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-11-21 16:42:20,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:42:21,016 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:42:21,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21 WrapperNode [2022-11-21 16:42:21,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:42:21,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:42:21,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:42:21,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:42:21,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,309 INFO L138 Inliner]: procedures = 274, calls = 1866, calls flagged for inlining = 99, calls inlined = 32, statements flattened = 1547 [2022-11-21 16:42:21,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:42:21,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:42:21,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:42:21,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:42:21,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,493 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,511 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:42:21,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:42:21,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:42:21,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:42:21,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (1/1) ... [2022-11-21 16:42:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:42:21,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:42:21,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:42:21,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:42:21,608 INFO L130 BoogieDeclarations]: Found specification of procedure ir_lookup_by_scancode [2022-11-21 16:42:21,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_lookup_by_scancode [2022-11-21 16:42:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-21 16:42:21,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-21 16:42:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 16:42:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 16:42:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-21 16:42:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 16:42:21,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-21 16:42:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ir_raw_handler_lock [2022-11-21 16:42:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 16:42:21,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 16:42:21,611 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_uevent [2022-11-21 16:42:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_uevent [2022-11-21 16:42:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 16:42:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 16:42:21,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 16:42:21,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 16:42:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-21 16:42:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-21 16:42:21,613 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-21 16:42:21,613 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-21 16:42:21,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:42:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 16:42:21,615 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 16:42:21,615 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 16:42:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-21 16:42:21,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-21 16:42:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-21 16:42:21,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:42:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 16:42:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-21 16:42:21,619 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-21 16:42:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 16:42:21,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-21 16:42:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 16:42:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 16:42:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-21 16:42:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-21 16:42:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-21 16:42:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-21 16:42:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-21 16:42:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-21 16:42:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_rc_dev [2022-11-21 16:42:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 16:42:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 16:42:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-21 16:42:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_rc_dev [2022-11-21 16:42:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure rc_dev_release [2022-11-21 16:42:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_dev_release [2022-11-21 16:42:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 16:42:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 16:42:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-21 16:42:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-21 16:42:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-21 16:42:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ir_raw_handler_lock [2022-11-21 16:42:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-21 16:42:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-21 16:42:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-21 16:42:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-21 16:42:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-21 16:42:21,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-21 16:42:21,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 16:42:21,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 16:42:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 16:42:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:42:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 16:42:21,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-21 16:42:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-21 16:42:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-21 16:42:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure input_scancode_to_scalar [2022-11-21 16:42:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure input_scancode_to_scalar [2022-11-21 16:42:21,630 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 16:42:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 16:42:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-21 16:42:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-21 16:42:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-21 16:42:21,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:42:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:42:22,253 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:42:22,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:42:31,660 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:42:31,681 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:42:31,682 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 16:42:31,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:42:31 BoogieIcfgContainer [2022-11-21 16:42:31,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:42:31,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:42:31,693 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:42:31,697 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:42:31,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:42:17" (1/3) ... [2022-11-21 16:42:31,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f51c05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:42:31, skipping insertion in model container [2022-11-21 16:42:31,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:42:21" (2/3) ... [2022-11-21 16:42:31,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f51c05b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:42:31, skipping insertion in model container [2022-11-21 16:42:31,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:42:31" (3/3) ... [2022-11-21 16:42:31,704 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--rc--rc-core.ko-main.cil.out.i [2022-11-21 16:42:31,728 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:42:31,729 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 16:42:31,824 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:42:31,836 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;@6c564624, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:42:31,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 16:42:31,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2022-11-21 16:42:31,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-21 16:42:31,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:31,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:31,865 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:31,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:31,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1403411196, now seen corresponding path program 1 times [2022-11-21 16:42:31,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:31,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524002393] [2022-11-21 16:42:31,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:31,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:31,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:31,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:31,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 16:42:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:33,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:42:33,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:33,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:33,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:33,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:33,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524002393] [2022-11-21 16:42:33,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524002393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:33,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:33,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:33,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152136365] [2022-11-21 16:42:33,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:33,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:33,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:33,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:33,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:33,369 INFO L87 Difference]: Start difference. First operand has 317 states, 239 states have (on average 1.4142259414225942) internal successors, (338), 250 states have internal predecessors, (338), 52 states have call successors, (52), 24 states have call predecessors, (52), 24 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:33,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:33,763 INFO L93 Difference]: Finished difference Result 736 states and 1044 transitions. [2022-11-21 16:42:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:33,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-21 16:42:33,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:33,785 INFO L225 Difference]: With dead ends: 736 [2022-11-21 16:42:33,785 INFO L226 Difference]: Without dead ends: 414 [2022-11-21 16:42:33,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:33,804 INFO L413 NwaCegarLoop]: 461 mSDtfsCounter, 142 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:33,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 879 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 16:42:33,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-11-21 16:42:33,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 399. [2022-11-21 16:42:33,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 306 states have (on average 1.4248366013071896) internal successors, (436), 316 states have internal predecessors, (436), 62 states have call successors, (62), 31 states have call predecessors, (62), 30 states have return successors, (53), 52 states have call predecessors, (53), 53 states have call successors, (53) [2022-11-21 16:42:33,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 551 transitions. [2022-11-21 16:42:33,949 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 551 transitions. Word has length 17 [2022-11-21 16:42:33,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:33,950 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 551 transitions. [2022-11-21 16:42:33,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 551 transitions. [2022-11-21 16:42:33,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 16:42:33,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:33,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:33,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:34,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:34,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:34,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:34,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1255176370, now seen corresponding path program 1 times [2022-11-21 16:42:34,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:34,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [364083991] [2022-11-21 16:42:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:34,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:34,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:34,185 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:34,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-21 16:42:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:35,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:42:35,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:35,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:35,341 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:35,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:35,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [364083991] [2022-11-21 16:42:35,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [364083991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:35,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:35,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:42:35,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896222852] [2022-11-21 16:42:35,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:35,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:42:35,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:35,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:42:35,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:42:35,349 INFO L87 Difference]: Start difference. First operand 399 states and 551 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:35,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:35,641 INFO L93 Difference]: Finished difference Result 826 states and 1142 transitions. [2022-11-21 16:42:35,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:42:35,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-21 16:42:35,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:35,652 INFO L225 Difference]: With dead ends: 826 [2022-11-21 16:42:35,653 INFO L226 Difference]: Without dead ends: 430 [2022-11-21 16:42:35,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 16:42:35,658 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 41 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:35,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 1275 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:42:35,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-21 16:42:35,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 373. [2022-11-21 16:42:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 290 states have (on average 1.4379310344827587) internal successors, (417), 299 states have internal predecessors, (417), 56 states have call successors, (56), 27 states have call predecessors, (56), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-21 16:42:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 520 transitions. [2022-11-21 16:42:35,697 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 520 transitions. Word has length 19 [2022-11-21 16:42:35,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:35,697 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 520 transitions. [2022-11-21 16:42:35,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:35,698 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 520 transitions. [2022-11-21 16:42:35,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 16:42:35,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:35,706 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:35,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:35,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:35,927 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:35,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1312434672, now seen corresponding path program 1 times [2022-11-21 16:42:35,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:35,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790956153] [2022-11-21 16:42:35,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:35,931 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:35,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:35,933 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:35,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-21 16:42:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:36,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:42:36,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:37,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:37,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:37,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:37,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790956153] [2022-11-21 16:42:37,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790956153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:37,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:37,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:37,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118826893] [2022-11-21 16:42:37,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:37,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:37,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:37,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:37,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:37,098 INFO L87 Difference]: Start difference. First operand 373 states and 520 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:37,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:37,285 INFO L93 Difference]: Finished difference Result 375 states and 521 transitions. [2022-11-21 16:42:37,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:37,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-21 16:42:37,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:37,295 INFO L225 Difference]: With dead ends: 375 [2022-11-21 16:42:37,295 INFO L226 Difference]: Without dead ends: 372 [2022-11-21 16:42:37,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:37,299 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 408 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:37,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 423 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:42:37,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-21 16:42:37,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-21 16:42:37,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 290 states have (on average 1.4344827586206896) internal successors, (416), 298 states have internal predecessors, (416), 55 states have call successors, (55), 27 states have call predecessors, (55), 26 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-21 16:42:37,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 518 transitions. [2022-11-21 16:42:37,342 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 518 transitions. Word has length 19 [2022-11-21 16:42:37,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:37,343 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 518 transitions. [2022-11-21 16:42:37,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:37,343 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 518 transitions. [2022-11-21 16:42:37,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 16:42:37,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:37,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:37,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:37,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:37,581 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:37,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:37,581 INFO L85 PathProgramCache]: Analyzing trace with hash 2030613114, now seen corresponding path program 1 times [2022-11-21 16:42:37,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:37,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359351703] [2022-11-21 16:42:37,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:37,582 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:37,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:37,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:37,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-21 16:42:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:38,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:42:38,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:38,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:38,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:38,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359351703] [2022-11-21 16:42:38,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359351703] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:38,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:38,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:38,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035334464] [2022-11-21 16:42:38,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:38,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:38,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:38,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:38,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:38,643 INFO L87 Difference]: Start difference. First operand 372 states and 518 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:38,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:38,820 INFO L93 Difference]: Finished difference Result 379 states and 522 transitions. [2022-11-21 16:42:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:38,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-11-21 16:42:38,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:38,823 INFO L225 Difference]: With dead ends: 379 [2022-11-21 16:42:38,823 INFO L226 Difference]: Without dead ends: 375 [2022-11-21 16:42:38,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:38,825 INFO L413 NwaCegarLoop]: 418 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:38,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 429 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:38,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2022-11-21 16:42:38,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2022-11-21 16:42:38,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 292 states have (on average 1.4246575342465753) internal successors, (416), 298 states have internal predecessors, (416), 53 states have call successors, (53), 28 states have call predecessors, (53), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-21 16:42:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 516 transitions. [2022-11-21 16:42:38,854 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 516 transitions. Word has length 20 [2022-11-21 16:42:38,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:38,854 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 516 transitions. [2022-11-21 16:42:38,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:38,855 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 516 transitions. [2022-11-21 16:42:38,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 16:42:38,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:38,856 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:38,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:39,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:39,084 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:39,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:39,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1475654093, now seen corresponding path program 1 times [2022-11-21 16:42:39,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:39,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669273133] [2022-11-21 16:42:39,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:39,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:39,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:39,087 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:39,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-21 16:42:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:39,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:42:39,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:40,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:40,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:40,071 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:40,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669273133] [2022-11-21 16:42:40,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669273133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:40,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:40,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:40,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119529110] [2022-11-21 16:42:40,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:40,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:40,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:40,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:40,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:40,074 INFO L87 Difference]: Start difference. First operand 373 states and 516 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:40,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:40,230 INFO L93 Difference]: Finished difference Result 375 states and 517 transitions. [2022-11-21 16:42:40,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:40,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-21 16:42:40,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:40,233 INFO L225 Difference]: With dead ends: 375 [2022-11-21 16:42:40,233 INFO L226 Difference]: Without dead ends: 372 [2022-11-21 16:42:40,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:40,234 INFO L413 NwaCegarLoop]: 417 mSDtfsCounter, 400 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:40,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 417 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:40,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2022-11-21 16:42:40,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2022-11-21 16:42:40,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 292 states have (on average 1.4212328767123288) internal successors, (415), 297 states have internal predecessors, (415), 52 states have call successors, (52), 28 states have call predecessors, (52), 27 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-11-21 16:42:40,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 514 transitions. [2022-11-21 16:42:40,282 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 514 transitions. Word has length 21 [2022-11-21 16:42:40,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:40,283 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 514 transitions. [2022-11-21 16:42:40,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 514 transitions. [2022-11-21 16:42:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 16:42:40,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:40,284 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:40,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:40,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:40,501 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:40,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:40,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1499217053, now seen corresponding path program 1 times [2022-11-21 16:42:40,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:40,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317176997] [2022-11-21 16:42:40,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:40,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:40,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:40,505 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:40,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-21 16:42:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:41,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 1256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:42:41,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:41,588 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:41,588 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:41,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317176997] [2022-11-21 16:42:41,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317176997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:41,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:41,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:41,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417915881] [2022-11-21 16:42:41,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:41,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:41,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:41,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:41,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:41,590 INFO L87 Difference]: Start difference. First operand 372 states and 514 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:41,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:41,825 INFO L93 Difference]: Finished difference Result 552 states and 772 transitions. [2022-11-21 16:42:41,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:41,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-21 16:42:41,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:41,830 INFO L225 Difference]: With dead ends: 552 [2022-11-21 16:42:41,830 INFO L226 Difference]: Without dead ends: 548 [2022-11-21 16:42:41,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:41,832 INFO L413 NwaCegarLoop]: 428 mSDtfsCounter, 152 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:41,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 826 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 16:42:41,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-11-21 16:42:41,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 546. [2022-11-21 16:42:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 439 states have (on average 1.4464692482915718) internal successors, (635), 445 states have internal predecessors, (635), 68 states have call successors, (68), 40 states have call predecessors, (68), 38 states have return successors, (63), 61 states have call predecessors, (63), 63 states have call successors, (63) [2022-11-21 16:42:41,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 766 transitions. [2022-11-21 16:42:41,891 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 766 transitions. Word has length 22 [2022-11-21 16:42:41,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:41,891 INFO L495 AbstractCegarLoop]: Abstraction has 546 states and 766 transitions. [2022-11-21 16:42:41,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:41,892 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 766 transitions. [2022-11-21 16:42:41,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 16:42:41,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:41,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:41,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:42,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:42,118 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:42,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:42,118 INFO L85 PathProgramCache]: Analyzing trace with hash -769053066, now seen corresponding path program 1 times [2022-11-21 16:42:42,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:42,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205939761] [2022-11-21 16:42:42,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:42,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:42,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:42,122 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:42,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-21 16:42:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:43,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 1257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:42:43,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:42:43,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:43,154 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:43,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205939761] [2022-11-21 16:42:43,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205939761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:43,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:43,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:43,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559420876] [2022-11-21 16:42:43,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:43,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:43,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:43,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:43,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:43,156 INFO L87 Difference]: Start difference. First operand 546 states and 766 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:43,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:43,314 INFO L93 Difference]: Finished difference Result 548 states and 767 transitions. [2022-11-21 16:42:43,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:43,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-21 16:42:43,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:43,337 INFO L225 Difference]: With dead ends: 548 [2022-11-21 16:42:43,337 INFO L226 Difference]: Without dead ends: 527 [2022-11-21 16:42:43,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:43,339 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 396 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:43,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 416 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2022-11-21 16:42:43,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2022-11-21 16:42:43,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 425 states have (on average 1.4470588235294117) internal successors, (615), 430 states have internal predecessors, (615), 64 states have call successors, (64), 39 states have call predecessors, (64), 37 states have return successors, (60), 58 states have call predecessors, (60), 60 states have call successors, (60) [2022-11-21 16:42:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 739 transitions. [2022-11-21 16:42:43,412 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 739 transitions. Word has length 23 [2022-11-21 16:42:43,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:43,413 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 739 transitions. [2022-11-21 16:42:43,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:42:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 739 transitions. [2022-11-21 16:42:43,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-21 16:42:43,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:43,415 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:43,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:43,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:43,641 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:43,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:43,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1664175646, now seen corresponding path program 1 times [2022-11-21 16:42:43,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:43,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1001879761] [2022-11-21 16:42:43,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:43,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:43,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:43,644 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:43,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-21 16:42:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:44,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 1458 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:42:44,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:44,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:44,781 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:44,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1001879761] [2022-11-21 16:42:44,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1001879761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:44,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:44,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:44,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81500310] [2022-11-21 16:42:44,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:44,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:44,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:44,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:44,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:44,783 INFO L87 Difference]: Start difference. First operand 527 states and 739 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 16:42:44,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:44,996 INFO L93 Difference]: Finished difference Result 1050 states and 1474 transitions. [2022-11-21 16:42:44,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:44,997 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 62 [2022-11-21 16:42:44,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:45,001 INFO L225 Difference]: With dead ends: 1050 [2022-11-21 16:42:45,001 INFO L226 Difference]: Without dead ends: 526 [2022-11-21 16:42:45,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:45,003 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 384 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:45,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 690 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:45,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2022-11-21 16:42:45,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 526. [2022-11-21 16:42:45,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 425 states have (on average 1.4423529411764706) internal successors, (613), 429 states have internal predecessors, (613), 63 states have call successors, (63), 39 states have call predecessors, (63), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-21 16:42:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 734 transitions. [2022-11-21 16:42:45,068 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 734 transitions. Word has length 62 [2022-11-21 16:42:45,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:45,068 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 734 transitions. [2022-11-21 16:42:45,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-21 16:42:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 734 transitions. [2022-11-21 16:42:45,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-21 16:42:45,071 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:45,071 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-21 16:42:45,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:45,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:45,285 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:45,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:45,286 INFO L85 PathProgramCache]: Analyzing trace with hash -656103517, now seen corresponding path program 1 times [2022-11-21 16:42:45,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:45,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491316056] [2022-11-21 16:42:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:45,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:45,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:45,288 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:45,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-21 16:42:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:42:46,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:42:46,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:42:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-21 16:42:46,388 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 16:42:46,388 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 16:42:46,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [491316056] [2022-11-21 16:42:46,388 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [491316056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:42:46,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:42:46,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:42:46,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395206073] [2022-11-21 16:42:46,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:42:46,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:42:46,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 16:42:46,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:42:46,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:46,390 INFO L87 Difference]: Start difference. First operand 526 states and 734 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:42:46,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:42:46,596 INFO L93 Difference]: Finished difference Result 528 states and 735 transitions. [2022-11-21 16:42:46,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:42:46,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 71 [2022-11-21 16:42:46,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 16:42:46,600 INFO L225 Difference]: With dead ends: 528 [2022-11-21 16:42:46,600 INFO L226 Difference]: Without dead ends: 525 [2022-11-21 16:42:46,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:42:46,601 INFO L413 NwaCegarLoop]: 412 mSDtfsCounter, 1 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 16:42:46,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 809 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 16:42:46,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2022-11-21 16:42:46,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2022-11-21 16:42:46,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 425 states have (on average 1.44) internal successors, (612), 428 states have internal predecessors, (612), 62 states have call successors, (62), 39 states have call predecessors, (62), 37 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2022-11-21 16:42:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 732 transitions. [2022-11-21 16:42:46,649 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 732 transitions. Word has length 71 [2022-11-21 16:42:46,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 16:42:46,650 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 732 transitions. [2022-11-21 16:42:46,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-21 16:42:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 732 transitions. [2022-11-21 16:42:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-21 16:42:46,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 16:42:46,652 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:42:46,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:42:46,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:46,877 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 16:42:46,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:42:46,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1176347224, now seen corresponding path program 1 times [2022-11-21 16:42:46,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 16:42:46,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1631146438] [2022-11-21 16:42:46,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:42:46,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:42:46,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 16:42:46,881 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 16:42:46,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-21 16:43:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:43:07,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:44:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:44:08,929 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-21 16:44:08,929 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 16:44:08,945 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 16:44:08,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:44:09,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 16:44:09,172 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:44:09,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:44:09,290 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Expected only CPrimitive but got *~umode_t~0 at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateBitvecLiteral(CACSL2BoogieBacktranslator.java:1212) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateExpression(CACSL2BoogieBacktranslator.java:1021) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramStateEntry(CACSL2BoogieBacktranslator.java:658) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramState(CACSL2BoogieBacktranslator.java:633) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator.translateProgramExecution(CACSL2BoogieBacktranslator.java:300) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:217) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 16:44:09,294 INFO L158 Benchmark]: Toolchain (without parser) took 111933.91ms. Allocated memory was 86.0MB in the beginning and 224.4MB in the end (delta: 138.4MB). Free memory was 56.8MB in the beginning and 134.3MB in the end (delta: -77.5MB). Peak memory consumption was 162.6MB. Max. memory is 16.1GB. [2022-11-21 16:44:09,295 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:44:09,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3655.42ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 56.6MB in the beginning and 56.9MB in the end (delta: -362.3kB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. [2022-11-21 16:44:09,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 291.61ms. Allocated memory is still 132.1MB. Free memory was 56.9MB in the beginning and 70.0MB in the end (delta: -13.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-11-21 16:44:09,296 INFO L158 Benchmark]: Boogie Preprocessor took 199.53ms. Allocated memory is still 132.1MB. Free memory was 70.0MB in the beginning and 67.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 16:44:09,296 INFO L158 Benchmark]: RCFGBuilder took 10174.40ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 67.7MB in the beginning and 79.2MB in the end (delta: -11.6MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2022-11-21 16:44:09,297 INFO L158 Benchmark]: TraceAbstraction took 97601.22ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 78.2MB in the beginning and 134.3MB in the end (delta: -56.2MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. [2022-11-21 16:44:09,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 81.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3655.42ms. Allocated memory was 86.0MB in the beginning and 132.1MB in the end (delta: 46.1MB). Free memory was 56.6MB in the beginning and 56.9MB in the end (delta: -362.3kB). Peak memory consumption was 56.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 291.61ms. Allocated memory is still 132.1MB. Free memory was 56.9MB in the beginning and 70.0MB in the end (delta: -13.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 199.53ms. Allocated memory is still 132.1MB. Free memory was 70.0MB in the beginning and 67.7MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 10174.40ms. Allocated memory was 132.1MB in the beginning and 180.4MB in the end (delta: 48.2MB). Free memory was 67.7MB in the beginning and 79.2MB in the end (delta: -11.6MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * TraceAbstraction took 97601.22ms. Allocated memory was 180.4MB in the beginning and 224.4MB in the end (delta: 44.0MB). Free memory was 78.2MB in the beginning and 134.3MB in the end (delta: -56.2MB). Peak memory consumption was 88.5MB. Max. memory is 16.1GB. * 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 - ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~umode_t~0 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Expected only CPrimitive but got *~umode_t~0: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:373) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 16:44:09,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f4224dd-9c92-4b1d-b54f-7ca77a1dd515/bin/uautomizer-vX5HgA9Q3a/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 Result: ERROR: ExceptionOrErrorResult: AssertionError: Expected only CPrimitive but got *~umode_t~0