./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 933d865320c999b82fab622f75640d212923d9b1 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 933d865320c999b82fab622f75640d212923d9b1 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:50:14,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:50:14,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:50:14,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:50:14,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:50:14,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:50:14,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:50:14,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:50:14,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:50:14,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:50:14,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:50:14,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:50:14,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:50:15,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:50:15,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:50:15,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:50:15,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:50:15,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:50:15,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:50:15,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:50:15,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:50:15,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:50:15,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:50:15,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:50:15,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:50:15,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:50:15,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:50:15,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:50:15,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:50:15,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:50:15,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:50:15,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:50:15,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:50:15,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:50:15,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:50:15,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:50:15,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:50:15,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:50:15,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:50:15,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:50:15,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:50:15,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:50:15,122 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:50:15,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:50:15,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:50:15,125 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:50:15,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:50:15,126 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:50:15,126 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:50:15,127 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:50:15,127 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:50:15,127 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:50:15,129 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:50:15,129 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:50:15,129 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:50:15,130 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:50:15,130 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:50:15,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:50:15,131 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:50:15,131 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:50:15,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:50:15,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:50:15,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:50:15,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:50:15,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:50:15,133 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:50:15,133 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:50:15,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:50:15,134 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:50:15,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:50:15,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:50:15,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:50:15,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:50:15,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:50:15,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:50:15,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:50:15,138 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:50:15,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:50:15,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:50:15,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:50:15,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:50:15,140 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933d865320c999b82fab622f75640d212923d9b1 [2021-10-16 02:50:15,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:50:15,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:50:15,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:50:15,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:50:15,473 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:50:15,475 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-10-16 02:50:15,568 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/8c8fa83b5/7d69921fa5bd48e68329d785be25bf7b/FLAGf4d9f1441 [2021-10-16 02:50:16,446 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:50:16,447 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-10-16 02:50:16,500 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/8c8fa83b5/7d69921fa5bd48e68329d785be25bf7b/FLAGf4d9f1441 [2021-10-16 02:50:16,537 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/8c8fa83b5/7d69921fa5bd48e68329d785be25bf7b [2021-10-16 02:50:16,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:50:16,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:50:16,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:50:16,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:50:16,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:50:16,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:16" (1/1) ... [2021-10-16 02:50:16,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cb0d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:16, skipping insertion in model container [2021-10-16 02:50:16,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:16" (1/1) ... [2021-10-16 02:50:16,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:50:16,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:50:16,955 WARN L228 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_8da2d070-ad95-4da8-ac21-6f1503766f85/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-10-16 02:50:18,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:50:18,655 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-16 02:50:18,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e75f9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:18, skipping insertion in model container [2021-10-16 02:50:18,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:50:18,657 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:50:18,660 INFO L168 Benchmark]: Toolchain (without parser) took 2114.46 ms. Allocated memory was 94.4 MB in the beginning and 142.6 MB in the end (delta: 48.2 MB). Free memory was 59.1 MB in the beginning and 89.5 MB in the end (delta: -30.3 MB). Peak memory consumption was 17.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:50:18,661 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 52.7 MB in the beginning and 52.6 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:50:18,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2108.96 ms. Allocated memory was 94.4 MB in the beginning and 142.6 MB in the end (delta: 48.2 MB). Free memory was 58.8 MB in the beginning and 89.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:50:18,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 94.4 MB. Free memory was 52.7 MB in the beginning and 52.6 MB in the end (delta: 44.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2108.96 ms. Allocated memory was 94.4 MB in the beginning and 142.6 MB in the end (delta: 48.2 MB). Free memory was 58.8 MB in the beginning and 89.5 MB in the end (delta: -30.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2976]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:50:21,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:50:21,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:50:21,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:50:21,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:50:21,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:50:21,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:50:21,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:50:21,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:50:21,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:50:21,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:50:21,594 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:50:21,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:50:21,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:50:21,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:50:21,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:50:21,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:50:21,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:50:21,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:50:21,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:50:21,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:50:21,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:50:21,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:50:21,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:50:21,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:50:21,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:50:21,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:50:21,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:50:21,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:50:21,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:50:21,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:50:21,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:50:21,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:50:21,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:50:21,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:50:21,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:50:21,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:50:21,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:50:21,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:50:21,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:50:21,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:50:21,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:50:21,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:50:21,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:50:21,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:50:21,733 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:50:21,733 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:50:21,733 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:50:21,733 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:50:21,734 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:50:21,734 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:50:21,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:50:21,737 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:50:21,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:50:21,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:50:21,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:50:21,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:50:21,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:50:21,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:50:21,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:50:21,739 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:50:21,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:50:21,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:50:21,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:50:21,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:50:21,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:50:21,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:50:21,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:50:21,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:50:21,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:50:21,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:50:21,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:50:21,743 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:50:21,743 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:50:21,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:50:21,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:50:21,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:50:21,744 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_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933d865320c999b82fab622f75640d212923d9b1 [2021-10-16 02:50:22,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:50:22,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:50:22,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:50:22,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:50:22,305 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:50:22,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-10-16 02:50:22,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/76190a03b/5438c1e94dcd4c768aa5f1f5e5f9b172/FLAGc858fa863 [2021-10-16 02:50:23,414 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:50:23,417 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2021-10-16 02:50:23,457 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/76190a03b/5438c1e94dcd4c768aa5f1f5e5f9b172/FLAGc858fa863 [2021-10-16 02:50:23,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/data/76190a03b/5438c1e94dcd4c768aa5f1f5e5f9b172 [2021-10-16 02:50:23,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:50:23,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:50:23,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:50:23,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:50:23,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:50:23,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:23" (1/1) ... [2021-10-16 02:50:23,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1431229a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:23, skipping insertion in model container [2021-10-16 02:50:23,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:50:23" (1/1) ... [2021-10-16 02:50:23,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:50:24,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:50:24,418 WARN L228 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_8da2d070-ad95-4da8-ac21-6f1503766f85/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-10-16 02:50:25,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:50:25,801 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:50:25,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:50:25,843 WARN L228 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_8da2d070-ad95-4da8-ac21-6f1503766f85/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-10-16 02:50:26,157 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:50:26,202 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:50:26,215 WARN L228 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_8da2d070-ad95-4da8-ac21-6f1503766f85/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i[452,465] [2021-10-16 02:50:26,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:50:26,715 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:50:26,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26 WrapperNode [2021-10-16 02:50:26,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:50:26,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:50:26,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:50:26,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:50:26,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:26,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:50:27,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:50:27,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:50:27,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:50:27,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:50:27,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:50:27,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:50:27,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:50:27,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (1/1) ... [2021-10-16 02:50:27,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:50:27,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:50:27,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:50:27,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:50:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-16 02:50:27,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-10-16 02:50:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:50:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-10-16 02:50:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-16 02:50:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-16 02:50:27,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:50:27,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:50:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-10-16 02:50:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-16 02:50:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-10-16 02:50:27,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-10-16 02:50:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:50:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-16 02:50:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-10-16 02:50:27,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-10-16 02:50:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-10-16 02:50:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-16 02:50:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-10-16 02:50:27,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-10-16 02:50:37,614 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:50:37,614 INFO L299 CfgBuilder]: Removed 515 assume(true) statements. [2021-10-16 02:50:37,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:50:37 BoogieIcfgContainer [2021-10-16 02:50:37,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:50:37,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:50:37,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:50:37,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:50:37,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:50:23" (1/3) ... [2021-10-16 02:50:37,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391c9a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:50:37, skipping insertion in model container [2021-10-16 02:50:37,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:50:26" (2/3) ... [2021-10-16 02:50:37,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391c9a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:50:37, skipping insertion in model container [2021-10-16 02:50:37,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:50:37" (3/3) ... [2021-10-16 02:50:37,628 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2021-10-16 02:50:37,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:50:37,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2021-10-16 02:50:37,697 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:50:37,703 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:50:37,704 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2021-10-16 02:50:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 383 states have (on average 1.328981723237598) internal successors, (509), 392 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:37,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:50:37,742 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:50:37,743 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:50:37,744 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-10-16 02:50:37,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:50:37,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1448150405, now seen corresponding path program 1 times [2021-10-16 02:50:37,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:50:37,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1883089633] [2021-10-16 02:50:37,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:50:37,770 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:50:37,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:50:37,774 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:50:37,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:50:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:50:38,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:50:38,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:50:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:50:38,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:50:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:50:38,650 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:50:38,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1883089633] [2021-10-16 02:50:38,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1883089633] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:50:38,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:50:38,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:50:38,653 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732753096] [2021-10-16 02:50:38,659 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:50:38,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:50:38,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:50:38,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:50:38,687 INFO L87 Difference]: Start difference. First operand has 393 states, 383 states have (on average 1.328981723237598) internal successors, (509), 392 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:38,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:50:38,765 INFO L93 Difference]: Finished difference Result 781 states and 1011 transitions. [2021-10-16 02:50:38,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:50:38,767 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-16 02:50:38,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:50:38,786 INFO L225 Difference]: With dead ends: 781 [2021-10-16 02:50:38,787 INFO L226 Difference]: Without dead ends: 376 [2021-10-16 02:50:38,793 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:50:38,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-10-16 02:50:38,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2021-10-16 02:50:38,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 367 states have (on average 1.2833787465940054) internal successors, (471), 375 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 471 transitions. [2021-10-16 02:50:38,881 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 471 transitions. Word has length 12 [2021-10-16 02:50:38,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:50:38,882 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 471 transitions. [2021-10-16 02:50:38,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 471 transitions. [2021-10-16 02:50:38,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-16 02:50:38,885 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:50:38,885 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:50:38,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:50:39,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:50:39,101 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-10-16 02:50:39,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:50:39,102 INFO L82 PathProgramCache]: Analyzing trace with hash 806641781, now seen corresponding path program 1 times [2021-10-16 02:50:39,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:50:39,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1702513905] [2021-10-16 02:50:39,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:50:39,104 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:50:39,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:50:39,108 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:50:39,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:50:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:50:39,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:50:39,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:50:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:50:39,866 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:50:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:50:39,918 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:50:39,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1702513905] [2021-10-16 02:50:39,919 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1702513905] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:50:39,919 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:50:39,919 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:50:39,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859028800] [2021-10-16 02:50:39,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:50:39,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:50:39,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:50:39,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:50:39,924 INFO L87 Difference]: Start difference. First operand 376 states and 471 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:40,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:50:40,141 INFO L93 Difference]: Finished difference Result 1121 states and 1407 transitions. [2021-10-16 02:50:40,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:50:40,142 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-16 02:50:40,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:50:40,149 INFO L225 Difference]: With dead ends: 1121 [2021-10-16 02:50:40,149 INFO L226 Difference]: Without dead ends: 750 [2021-10-16 02:50:40,154 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:50:40,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2021-10-16 02:50:40,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 380. [2021-10-16 02:50:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 371 states have (on average 1.280323450134771) internal successors, (475), 379 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 475 transitions. [2021-10-16 02:50:40,186 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 475 transitions. Word has length 12 [2021-10-16 02:50:40,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:50:40,187 INFO L470 AbstractCegarLoop]: Abstraction has 380 states and 475 transitions. [2021-10-16 02:50:40,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:40,188 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 475 transitions. [2021-10-16 02:50:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-16 02:50:40,188 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:50:40,189 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:50:40,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:50:40,403 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:50:40,403 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-10-16 02:50:40,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:50:40,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1218920273, now seen corresponding path program 1 times [2021-10-16 02:50:40,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:50:40,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593842066] [2021-10-16 02:50:40,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:50:40,406 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:50:40,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:50:40,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:50:40,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:50:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:50:41,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:50:41,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:50:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:41,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:50:41,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:41,454 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:50:41,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593842066] [2021-10-16 02:50:41,455 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593842066] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:50:41,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1647801655] [2021-10-16 02:50:41,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:50:41,456 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:50:41,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:50:41,462 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:50:41,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2021-10-16 02:50:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:50:42,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:50:42,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:50:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:42,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:50:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:42,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1647801655] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:50:42,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79310263] [2021-10-16 02:50:42,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:50:42,715 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:50:42,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:50:42,718 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:50:42,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-16 02:50:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:50:43,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:50:43,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:50:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:43,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:50:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:43,367 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79310263] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:50:43,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:50:43,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 8 [2021-10-16 02:50:43,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319506683] [2021-10-16 02:50:43,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:50:43,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:50:43,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:50:43,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:50:43,370 INFO L87 Difference]: Start difference. First operand 380 states and 475 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:43,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:50:43,856 INFO L93 Difference]: Finished difference Result 760 states and 953 transitions. [2021-10-16 02:50:43,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-16 02:50:43,858 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-16 02:50:43,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:50:43,861 INFO L225 Difference]: With dead ends: 760 [2021-10-16 02:50:43,861 INFO L226 Difference]: Without dead ends: 388 [2021-10-16 02:50:43,862 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 137.9ms TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:50:43,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2021-10-16 02:50:43,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2021-10-16 02:50:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 379 states have (on average 1.2717678100263852) internal successors, (482), 387 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 482 transitions. [2021-10-16 02:50:43,881 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 482 transitions. Word has length 18 [2021-10-16 02:50:43,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:50:43,882 INFO L470 AbstractCegarLoop]: Abstraction has 388 states and 482 transitions. [2021-10-16 02:50:43,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:50:43,882 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 482 transitions. [2021-10-16 02:50:43,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 02:50:43,883 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:50:43,883 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:50:43,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:50:44,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:50:44,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:50:44,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt [2021-10-16 02:50:44,498 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-10-16 02:50:44,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:50:44,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1923404377, now seen corresponding path program 2 times [2021-10-16 02:50:44,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:50:44,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787787889] [2021-10-16 02:50:44,500 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:50:44,500 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:50:44,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:50:44,501 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:50:44,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:50:54,404 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:50:54,404 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:50:54,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 02:50:54,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:50:54,718 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:54,718 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:50:55,075 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:50:55,076 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:50:55,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787787889] [2021-10-16 02:50:55,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787787889] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:50:55,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [791251609] [2021-10-16 02:50:55,077 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:50:55,077 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:50:55,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:50:55,082 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:50:55,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2021-10-16 02:52:00,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:52:00,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:52:01,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 02:52:01,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:52:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:52:01,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:52:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:52:01,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [791251609] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:52:01,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742669956] [2021-10-16 02:52:01,499 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-16 02:52:01,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:52:01,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:52:01,503 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:52:01,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-16 02:52:43,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-16 02:52:43,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-16 02:52:43,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-16 02:52:43,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:52:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:52:43,249 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:52:43,372 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-16 02:52:43,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742669956] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:52:43,373 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:52:43,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9, 9, 9, 9] total 16 [2021-10-16 02:52:43,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993206944] [2021-10-16 02:52:43,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-16 02:52:43,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:52:43,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-16 02:52:43,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-10-16 02:52:43,376 INFO L87 Difference]: Start difference. First operand 388 states and 482 transitions. Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:52:44,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:52:44,755 INFO L93 Difference]: Finished difference Result 768 states and 959 transitions. [2021-10-16 02:52:44,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-16 02:52:44,756 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-10-16 02:52:44,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:52:44,759 INFO L225 Difference]: With dead ends: 768 [2021-10-16 02:52:44,759 INFO L226 Difference]: Without dead ends: 396 [2021-10-16 02:52:44,760 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 384.3ms TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-10-16 02:52:44,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2021-10-16 02:52:44,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2021-10-16 02:52:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 387 states have (on average 1.2661498708010337) internal successors, (490), 395 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:52:44,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 490 transitions. [2021-10-16 02:52:44,779 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 490 transitions. Word has length 26 [2021-10-16 02:52:44,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:52:44,779 INFO L470 AbstractCegarLoop]: Abstraction has 396 states and 490 transitions. [2021-10-16 02:52:44,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-16 02:52:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 490 transitions. [2021-10-16 02:52:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-16 02:52:44,781 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:52:44,782 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:52:44,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2021-10-16 02:52:45,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-10-16 02:52:45,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:52:45,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:52:45,402 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2021-10-16 02:52:45,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:52:45,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1031986529, now seen corresponding path program 3 times [2021-10-16 02:52:45,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:52:45,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13631869] [2021-10-16 02:52:45,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-16 02:52:45,403 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:52:45,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:52:45,405 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:52:45,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:52:56,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-10-16 02:52:56,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-10-16 02:52:56,499 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:53:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:53:06,688 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-16 02:53:06,689 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:53:06,690 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,692 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,693 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,693 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,694 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,695 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:53:06,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:53:06,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:53:06,924 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:53:07,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:53:07 BoogieIcfgContainer [2021-10-16 02:53:07,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:53:07,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:53:07,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:53:07,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:53:07,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:50:37" (3/4) ... [2021-10-16 02:53:07,173 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:53:07,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:53:07,175 INFO L168 Benchmark]: Toolchain (without parser) took 163249.13 ms. Allocated memory was 56.6 MB in the beginning and 237.0 MB in the end (delta: 180.4 MB). Free memory was 30.0 MB in the beginning and 140.4 MB in the end (delta: -110.4 MB). Peak memory consumption was 71.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:07,175 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 56.6 MB. Free memory is still 37.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:53:07,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2776.01 ms. Allocated memory was 56.6 MB in the beginning and 109.1 MB in the end (delta: 52.4 MB). Free memory was 29.7 MB in the beginning and 52.6 MB in the end (delta: -22.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:07,178 INFO L168 Benchmark]: Boogie Procedure Inliner took 380.09 ms. Allocated memory is still 109.1 MB. Free memory was 52.6 MB in the beginning and 68.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:07,178 INFO L168 Benchmark]: Boogie Preprocessor took 244.02 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 58.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:07,179 INFO L168 Benchmark]: RCFGBuilder took 10274.09 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 58.6 MB in the beginning and 51.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 106.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:07,180 INFO L168 Benchmark]: TraceAbstraction took 149547.14 ms. Allocated memory was 197.1 MB in the beginning and 237.0 MB in the end (delta: 39.8 MB). Free memory was 51.0 MB in the beginning and 140.4 MB in the end (delta: -89.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:53:07,182 INFO L168 Benchmark]: Witness Printer took 5.35 ms. Allocated memory is still 237.0 MB. Free memory is still 140.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:53:07,185 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 56.6 MB. Free memory is still 37.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2776.01 ms. Allocated memory was 56.6 MB in the beginning and 109.1 MB in the end (delta: 52.4 MB). Free memory was 29.7 MB in the beginning and 52.6 MB in the end (delta: -22.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 380.09 ms. Allocated memory is still 109.1 MB. Free memory was 52.6 MB in the beginning and 68.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 244.02 ms. Allocated memory is still 109.1 MB. Free memory was 68.9 MB in the beginning and 58.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10274.09 ms. Allocated memory was 109.1 MB in the beginning and 197.1 MB in the end (delta: 88.1 MB). Free memory was 58.6 MB in the beginning and 51.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 106.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 149547.14 ms. Allocated memory was 197.1 MB in the beginning and 237.0 MB in the end (delta: 39.8 MB). Free memory was 51.0 MB in the beginning and 140.4 MB in the end (delta: -89.3 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.35 ms. Allocated memory is still 237.0 MB. Free memory is still 140.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 12]: 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 1474. Possible FailurePath: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2597] struct ddv_pci_driver registered_pci_driver; [L2608] struct registered_irq registered_irq[16]; [L2618] short number_tasklet_registered = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L2635] short number_timer_registered = 0; [L2641] struct ddv_timer timer_registered[1]; [L2651] struct work_struct *shared_workqueue[10]; [L2661] spinlock_t kernel_lock; [L3347] request_queue_t fixed_request_queue[10]; [L3349] int number_request_queue_used = 0; [L3433] struct proc_dir_entry *proc_root_driver; [L3743] struct ddv_tty_driver global_tty_driver; [L3922] int ddv_ioport_request_start; [L3923] int ddv_ioport_request_len; VAL [={-1:7}, ={0:0}, ={0:0}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L2725] int err; [L2727] current_execution_context = 1 [L2665] int i; [L4155] lock->init = 1 [L4156] lock->locked = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND TRUE i < 10 [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2673] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2673] COND TRUE i < 1 [L2674] tasklet_registered[i].tasklet = ((void *)0) [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2673] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L1776] int ret; [L4482] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L12] COND TRUE !expression VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] [L12] reach_error() VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={-135267271:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={23:0}, fixed_cdev_used=0, fixed_gendisk={2146434110:0}, fixed_request_queue={-1442839633:0}, genhd_registered={-1072692246:0}, global_tty_driver={704644079:0}, jiffies=0, kernel_lock={-369097745:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=0, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, proc_root_driver={0:0}, registered_irq={83894315:0}, registered_pci_driver={-1072692278:0}, shared_workqueue={1778402219:0}, tasklet_registered={-2147483625:0}, timer_registered={1778385871:0}, zf_action=2048, zf_expect_close=0, zf_fops={1778385859:0}, zf_info={2012216381:0}, zf_is_open={2146434105:0}, zf_lock={-1074791367:0}, zf_miscdev={1744831431:0}, zf_notifier={-135267267:0}, zf_port_lock={-202637341:0}, zf_timer={-135267269:0}] - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 12]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 393 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 149227.6ms, OverallIterations: 5, TraceHistogramMax: 10, EmptinessCheckTime: 18.3ms, AutomataDifference: 2244.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1887 SDtfs, 2337 SDslu, 4625 SDs, 0 SdLazy, 229 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1660.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 537.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=396occurred in iteration=4, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 138.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 370 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 482.2ms SsaConstructionTime, 129416.5ms SatisfiabilityAnalysisTime, 2562.6ms InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 SizeOfPredicates, 7 NumberOfNonLiveVariables, 3420 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 12/252 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 [2021-10-16 02:53:07,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8da2d070-ad95-4da8-ac21-6f1503766f85/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...