./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:26:11,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:26:11,718 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:26:11,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:26:11,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:26:11,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:26:11,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:26:11,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:26:11,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:26:11,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:26:11,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:26:11,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:26:11,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:26:11,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:26:11,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:26:11,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:26:11,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:26:11,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:26:11,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:26:11,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:26:11,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:26:11,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:26:11,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:26:11,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:26:11,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:26:11,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:26:11,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:26:11,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:26:11,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:26:11,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:26:11,821 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:26:11,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:26:11,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:26:11,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:26:11,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:26:11,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:26:11,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:26:11,827 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:26:11,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:26:11,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:26:11,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:26:11,838 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-11-18 18:26:11,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:26:11,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:26:11,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:26:11,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:26:11,881 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:26:11,881 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:26:11,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:26:11,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:26:11,882 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:26:11,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:26:11,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:26:11,884 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:26:11,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:26:11,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:26:11,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:26:11,884 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 18:26:11,885 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 18:26:11,885 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 18:26:11,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:26:11,885 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 18:26:11,885 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:26:11,885 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:26:11,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:26:11,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:26:11,886 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:26:11,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:26:11,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:26:11,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:26:11,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:26:11,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:26:11,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 [2022-11-18 18:26:12,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:26:12,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:26:12,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:26:12,248 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:26:12,249 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:26:12,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2022-11-18 18:26:12,324 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/1530517db/82cea10637a7474094f1c46ceca7b46e/FLAG816970d4e [2022-11-18 18:26:13,056 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:26:13,057 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2022-11-18 18:26:13,086 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/1530517db/82cea10637a7474094f1c46ceca7b46e/FLAG816970d4e [2022-11-18 18:26:13,249 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/1530517db/82cea10637a7474094f1c46ceca7b46e [2022-11-18 18:26:13,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:26:13,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:26:13,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:26:13,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:26:13,264 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:26:13,265 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:26:13" (1/1) ... [2022-11-18 18:26:13,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d4a7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:13, skipping insertion in model container [2022-11-18 18:26:13,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:26:13" (1/1) ... [2022-11-18 18:26:13,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:26:13,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:26:13,626 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2022-11-18 18:26:15,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:26:15,188 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2022-11-18 18:26:15,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4df5dfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:15, skipping insertion in model container [2022-11-18 18:26:15,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:26:15,190 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-18 18:26:15,192 INFO L158 Benchmark]: Toolchain (without parser) took 1937.84ms. Allocated memory is still 140.5MB. Free memory was 107.3MB in the beginning and 88.0MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 18:26:15,193 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:26:15,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1934.62ms. Allocated memory is still 140.5MB. Free memory was 107.0MB in the beginning and 88.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-18 18:26:15,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 92.3MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1934.62ms. Allocated memory is still 140.5MB. Free memory was 107.0MB in the beginning and 88.0MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2976]: Unsupported Syntax Found a cast between two array/pointer types of different sizes 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 18:26:17,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:26:17,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:26:17,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:26:17,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:26:17,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:26:17,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:26:17,568 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:26:17,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:26:17,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:26:17,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:26:17,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:26:17,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:26:17,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:26:17,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:26:17,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:26:17,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:26:17,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:26:17,601 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:26:17,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:26:17,613 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:26:17,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:26:17,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:26:17,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:26:17,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:26:17,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:26:17,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:26:17,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:26:17,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:26:17,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:26:17,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:26:17,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:26:17,639 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:26:17,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:26:17,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:26:17,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:26:17,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:26:17,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:26:17,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:26:17,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:26:17,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:26:17,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2022-11-18 18:26:17,703 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:26:17,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:26:17,704 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:26:17,705 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:26:17,706 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:26:17,706 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:26:17,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:26:17,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:26:17,708 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:26:17,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:26:17,709 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:26:17,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 18:26:17,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:26:17,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:26:17,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:26:17,710 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-18 18:26:17,710 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-18 18:26:17,711 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-18 18:26:17,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:26:17,711 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 18:26:17,711 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 18:26:17,711 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 18:26:17,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:26:17,712 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:26:17,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:26:17,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:26:17,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:26:17,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:26:17,713 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:26:17,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:26:17,713 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 18:26:17,714 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 18:26:17,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 18:26:17,714 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_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 [2022-11-18 18:26:18,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:26:18,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:26:18,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:26:18,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:26:18,165 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:26:18,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2022-11-18 18:26:18,261 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/03b7e85c7/582cdb2b2ffd4fa38d9aa209e7d93aa0/FLAG0816f10f9 [2022-11-18 18:26:19,103 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:26:19,105 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2022-11-18 18:26:19,145 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/03b7e85c7/582cdb2b2ffd4fa38d9aa209e7d93aa0/FLAG0816f10f9 [2022-11-18 18:26:19,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/data/03b7e85c7/582cdb2b2ffd4fa38d9aa209e7d93aa0 [2022-11-18 18:26:19,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:26:19,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:26:19,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:26:19,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:26:19,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:26:19,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:26:19" (1/1) ... [2022-11-18 18:26:19,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@692ae54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:19, skipping insertion in model container [2022-11-18 18:26:19,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:26:19" (1/1) ... [2022-11-18 18:26:19,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:26:19,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:26:19,544 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2022-11-18 18:26:20,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:26:20,997 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-18 18:26:21,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:26:21,025 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2022-11-18 18:26:21,171 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:26:21,194 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:26:21,208 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2022-11-18 18:26:21,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:26:21,647 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:26:21,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21 WrapperNode [2022-11-18 18:26:21,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:26:21,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:26:21,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:26:21,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:26:21,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:21,770 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:21,875 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 966 [2022-11-18 18:26:21,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:26:21,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:26:21,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:26:21,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:26:21,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:21,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:21,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:21,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:21,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:21,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:22,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:22,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:22,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:26:22,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:26:22,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:26:22,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:26:22,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (1/1) ... [2022-11-18 18:26:22,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:26:22,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:26:22,088 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:26:22,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:26:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-11-18 18:26:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-11-18 18:26:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-18 18:26:22,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2022-11-18 18:26:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 18:26:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-11-18 18:26:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-18 18:26:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-18 18:26:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 18:26:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-18 18:26:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-18 18:26:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-18 18:26:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-18 18:26:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-18 18:26:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 18:26:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-11-18 18:26:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-11-18 18:26:22,147 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-11-18 18:26:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 18:26:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-18 18:26:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-18 18:26:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-11-18 18:26:22,148 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-11-18 18:26:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:26:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-18 18:26:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:26:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-18 18:26:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-11-18 18:26:22,149 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-11-18 18:26:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-11-18 18:26:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-11-18 18:26:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:26:22,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:26:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-11-18 18:26:22,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-11-18 18:26:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-18 18:26:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-18 18:26:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-18 18:26:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-18 18:26:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-18 18:26:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-18 18:26:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-18 18:26:22,153 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-18 18:26:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 18:26:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-18 18:26:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-18 18:26:22,154 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-18 18:26:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-18 18:26:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-11-18 18:26:22,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-11-18 18:26:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-18 18:26:22,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-18 18:26:22,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-18 18:26:22,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-18 18:26:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-11-18 18:26:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-11-18 18:26:22,159 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-18 18:26:22,159 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-18 18:26:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-18 18:26:22,160 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-18 18:26:22,160 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-11-18 18:26:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-11-18 18:26:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-11-18 18:26:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-11-18 18:26:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-11-18 18:26:22,161 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-11-18 18:26:22,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-18 18:26:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2022-11-18 18:26:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-11-18 18:26:22,163 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-11-18 18:26:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-18 18:26:22,163 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-11-18 18:26:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-11-18 18:26:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-18 18:26:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-18 18:26:22,164 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2022-11-18 18:26:22,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2022-11-18 18:26:22,705 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:26:22,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:26:29,017 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:26:29,030 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:26:29,031 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-18 18:26:29,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:26:29 BoogieIcfgContainer [2022-11-18 18:26:29,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:26:29,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:26:29,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:26:29,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:26:29,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:26:19" (1/3) ... [2022-11-18 18:26:29,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349a0cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:26:29, skipping insertion in model container [2022-11-18 18:26:29,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:26:21" (2/3) ... [2022-11-18 18:26:29,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@349a0cc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:26:29, skipping insertion in model container [2022-11-18 18:26:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:26:29" (3/3) ... [2022-11-18 18:26:29,046 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb_p.i [2022-11-18 18:26:29,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:26:29,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2022-11-18 18:26:29,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:26:29,146 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6a0e70c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:26:29,147 INFO L358 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2022-11-18 18:26:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand has 664 states, 354 states have (on average 1.8220338983050848) internal successors, (645), 565 states have internal predecessors, (645), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-11-18 18:26:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 18:26:29,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:29,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 18:26:29,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:26:29,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:29,171 INFO L85 PathProgramCache]: Analyzing trace with hash 327228190, now seen corresponding path program 1 times [2022-11-18 18:26:29,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:26:29,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165226986] [2022-11-18 18:26:29,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:29,191 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:29,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:26:29,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:26:29,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 18:26:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:29,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:26:29,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:29,943 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:29,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:26:29,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165226986] [2022-11-18 18:26:29,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165226986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:29,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:29,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:29,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923585881] [2022-11-18 18:26:29,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:29,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:26:29,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:26:30,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:26:30,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:30,020 INFO L87 Difference]: Start difference. First operand has 664 states, 354 states have (on average 1.8220338983050848) internal successors, (645), 565 states have internal predecessors, (645), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:32,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:26:34,076 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:26:37,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:37,974 INFO L93 Difference]: Finished difference Result 1200 states and 1437 transitions. [2022-11-18 18:26:37,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:26:37,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 18:26:37,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:37,997 INFO L225 Difference]: With dead ends: 1200 [2022-11-18 18:26:37,997 INFO L226 Difference]: Without dead ends: 1196 [2022-11-18 18:26:37,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:26:38,002 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 684 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:38,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [685 Valid, 2463 Invalid, 1112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1106 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-18 18:26:38,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2022-11-18 18:26:38,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 983. [2022-11-18 18:26:38,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 983 states, 590 states have (on average 1.805084745762712) internal successors, (1065), 812 states have internal predecessors, (1065), 138 states have call successors, (138), 50 states have call predecessors, (138), 50 states have return successors, (138), 131 states have call predecessors, (138), 138 states have call successors, (138) [2022-11-18 18:26:38,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 983 states and 1341 transitions. [2022-11-18 18:26:38,123 INFO L78 Accepts]: Start accepts. Automaton has 983 states and 1341 transitions. Word has length 5 [2022-11-18 18:26:38,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:38,124 INFO L495 AbstractCegarLoop]: Abstraction has 983 states and 1341 transitions. [2022-11-18 18:26:38,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:38,125 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1341 transitions. [2022-11-18 18:26:38,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 18:26:38,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:38,125 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 18:26:38,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:38,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:38,351 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:26:38,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:38,351 INFO L85 PathProgramCache]: Analyzing trace with hash 327228191, now seen corresponding path program 1 times [2022-11-18 18:26:38,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:26:38,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401078782] [2022-11-18 18:26:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:38,353 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:38,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:26:38,358 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:26:38,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 18:26:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:38,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:26:38,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:39,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:39,048 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:39,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:26:39,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401078782] [2022-11-18 18:26:39,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [401078782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:39,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:39,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:26:39,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493936386] [2022-11-18 18:26:39,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:39,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:26:39,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:26:39,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:26:39,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:26:39,052 INFO L87 Difference]: Start difference. First operand 983 states and 1341 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:41,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:26:43,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:26:46,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:46,684 INFO L93 Difference]: Finished difference Result 1115 states and 1433 transitions. [2022-11-18 18:26:46,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:26:46,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 18:26:46,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:46,705 INFO L225 Difference]: With dead ends: 1115 [2022-11-18 18:26:46,705 INFO L226 Difference]: Without dead ends: 1115 [2022-11-18 18:26:46,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:26:46,707 INFO L413 NwaCegarLoop]: 837 mSDtfsCounter, 268 mSDsluCounter, 1781 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:46,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 2618 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2022-11-18 18:26:46,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2022-11-18 18:26:46,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1056. [2022-11-18 18:26:46,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1056 states, 631 states have (on average 1.7670364500792393) internal successors, (1115), 854 states have internal predecessors, (1115), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-18 18:26:46,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1429 transitions. [2022-11-18 18:26:46,791 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1429 transitions. Word has length 5 [2022-11-18 18:26:46,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:46,791 INFO L495 AbstractCegarLoop]: Abstraction has 1056 states and 1429 transitions. [2022-11-18 18:26:46,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 18:26:46,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1429 transitions. [2022-11-18 18:26:46,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 18:26:46,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:46,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:46,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:47,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:47,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:26:47,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:47,016 INFO L85 PathProgramCache]: Analyzing trace with hash -27521378, now seen corresponding path program 1 times [2022-11-18 18:26:47,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:26:47,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [439928352] [2022-11-18 18:26:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:47,017 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:47,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:26:47,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:26:47,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 18:26:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:47,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:26:47,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:47,663 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:47,663 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:26:47,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [439928352] [2022-11-18 18:26:47,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [439928352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:47,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:47,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 18:26:47,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857550237] [2022-11-18 18:26:47,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:47,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:26:47,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:26:47,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:26:47,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:47,667 INFO L87 Difference]: Start difference. First operand 1056 states and 1429 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:26:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:49,621 INFO L93 Difference]: Finished difference Result 1262 states and 1516 transitions. [2022-11-18 18:26:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:26:49,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-18 18:26:49,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:49,629 INFO L225 Difference]: With dead ends: 1262 [2022-11-18 18:26:49,629 INFO L226 Difference]: Without dead ends: 1262 [2022-11-18 18:26:49,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:26:49,631 INFO L413 NwaCegarLoop]: 739 mSDtfsCounter, 657 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:49,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1284 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-18 18:26:49,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2022-11-18 18:26:49,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1055. [2022-11-18 18:26:49,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1055 states, 631 states have (on average 1.7591125198098256) internal successors, (1110), 853 states have internal predecessors, (1110), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-18 18:26:49,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1424 transitions. [2022-11-18 18:26:49,674 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1424 transitions. Word has length 11 [2022-11-18 18:26:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:49,675 INFO L495 AbstractCegarLoop]: Abstraction has 1055 states and 1424 transitions. [2022-11-18 18:26:49,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:26:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1424 transitions. [2022-11-18 18:26:49,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 18:26:49,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:49,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:49,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:49,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:49,895 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:26:49,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:49,895 INFO L85 PathProgramCache]: Analyzing trace with hash -27521377, now seen corresponding path program 1 times [2022-11-18 18:26:49,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:26:49,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938888921] [2022-11-18 18:26:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:49,897 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:26:49,898 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:26:49,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-18 18:26:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:50,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:26:50,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:50,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:50,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:26:50,632 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:26:50,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938888921] [2022-11-18 18:26:50,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [938888921] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:26:50,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:26:50,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:26:50,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482723634] [2022-11-18 18:26:50,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:26:50,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:26:50,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:26:50,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:26:50,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:26:50,635 INFO L87 Difference]: Start difference. First operand 1055 states and 1424 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:26:52,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:26:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:26:55,495 INFO L93 Difference]: Finished difference Result 1121 states and 1439 transitions. [2022-11-18 18:26:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:26:55,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-18 18:26:55,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:26:55,501 INFO L225 Difference]: With dead ends: 1121 [2022-11-18 18:26:55,501 INFO L226 Difference]: Without dead ends: 1121 [2022-11-18 18:26:55,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:26:55,502 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 261 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 1988 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:26:55,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 1988 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 574 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-18 18:26:55,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2022-11-18 18:26:55,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1058. [2022-11-18 18:26:55,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 634 states have (on average 1.7555205047318612) internal successors, (1113), 856 states have internal predecessors, (1113), 157 states have call successors, (157), 63 states have call predecessors, (157), 63 states have return successors, (157), 150 states have call predecessors, (157), 157 states have call successors, (157) [2022-11-18 18:26:55,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1427 transitions. [2022-11-18 18:26:55,538 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1427 transitions. Word has length 11 [2022-11-18 18:26:55,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:26:55,538 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1427 transitions. [2022-11-18 18:26:55,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:26:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1427 transitions. [2022-11-18 18:26:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-18 18:26:55,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:26:55,540 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:26:55,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-18 18:26:55,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:55,756 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:26:55,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:26:55,756 INFO L85 PathProgramCache]: Analyzing trace with hash 449678287, now seen corresponding path program 1 times [2022-11-18 18:26:55,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:26:55,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [770111319] [2022-11-18 18:26:55,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:26:55,757 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:26:55,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:26:55,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:26:55,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-18 18:26:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:26:56,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:26:56,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:26:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:56,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:26:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:26:56,937 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:26:56,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [770111319] [2022-11-18 18:26:56,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [770111319] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:26:56,938 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:26:56,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2022-11-18 18:26:56,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878809522] [2022-11-18 18:26:56,939 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:26:56,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:26:56,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:26:56,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:26:56,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:26:56,940 INFO L87 Difference]: Start difference. First operand 1058 states and 1427 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 18:26:58,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:00,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:10,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:10,695 INFO L93 Difference]: Finished difference Result 1331 states and 1673 transitions. [2022-11-18 18:27:10,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:27:10,697 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-11-18 18:27:10,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:10,707 INFO L225 Difference]: With dead ends: 1331 [2022-11-18 18:27:10,708 INFO L226 Difference]: Without dead ends: 1331 [2022-11-18 18:27:10,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:27:10,709 INFO L413 NwaCegarLoop]: 835 mSDtfsCounter, 1046 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 1355 mSolverCounterSat, 85 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 3195 SdHoareTripleChecker+Invalid, 1442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1355 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:10,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 3195 Invalid, 1442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1355 Invalid, 2 Unknown, 0 Unchecked, 13.3s Time] [2022-11-18 18:27:10,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-18 18:27:10,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1205. [2022-11-18 18:27:10,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 738 states have (on average 1.7411924119241193) internal successors, (1285), 962 states have internal predecessors, (1285), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:27:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1653 transitions. [2022-11-18 18:27:10,751 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1653 transitions. Word has length 14 [2022-11-18 18:27:10,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:10,752 INFO L495 AbstractCegarLoop]: Abstraction has 1205 states and 1653 transitions. [2022-11-18 18:27:10,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 18:27:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1653 transitions. [2022-11-18 18:27:10,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-18 18:27:10,753 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:10,753 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:10,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-18 18:27:10,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:10,972 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:27:10,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:10,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1064725833, now seen corresponding path program 1 times [2022-11-18 18:27:10,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:27:10,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [874179825] [2022-11-18 18:27:10,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:10,973 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:10,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:27:10,975 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:27:10,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-18 18:27:11,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:11,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:27:11,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:27:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:11,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:27:11,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:11,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:27:11,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [874179825] [2022-11-18 18:27:11,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [874179825] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:27:11,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:27:11,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 18:27:11,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171574954] [2022-11-18 18:27:11,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:27:11,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 18:27:11,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:27:11,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 18:27:11,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:27:11,730 INFO L87 Difference]: Start difference. First operand 1205 states and 1653 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:27:12,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:12,226 INFO L93 Difference]: Finished difference Result 1211 states and 1657 transitions. [2022-11-18 18:27:12,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 18:27:12,228 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-18 18:27:12,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:12,235 INFO L225 Difference]: With dead ends: 1211 [2022-11-18 18:27:12,235 INFO L226 Difference]: Without dead ends: 1211 [2022-11-18 18:27:12,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:27:12,239 INFO L413 NwaCegarLoop]: 782 mSDtfsCounter, 883 mSDsluCounter, 2142 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 2924 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:12,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 2924 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-18 18:27:12,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2022-11-18 18:27:12,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1210. [2022-11-18 18:27:12,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 743 states have (on average 1.7348586810228803) internal successors, (1289), 967 states have internal predecessors, (1289), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:27:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1657 transitions. [2022-11-18 18:27:12,283 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1657 transitions. Word has length 19 [2022-11-18 18:27:12,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:12,284 INFO L495 AbstractCegarLoop]: Abstraction has 1210 states and 1657 transitions. [2022-11-18 18:27:12,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:27:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1657 transitions. [2022-11-18 18:27:12,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-18 18:27:12,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:12,285 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:12,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-18 18:27:12,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:12,504 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:27:12,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:12,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1407192417, now seen corresponding path program 2 times [2022-11-18 18:27:12,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:27:12,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368252027] [2022-11-18 18:27:12,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:27:12,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:12,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:27:12,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:27:12,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-18 18:27:13,152 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 18:27:13,152 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:27:13,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 18:27:13,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:27:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:13,694 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:27:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:14,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:27:14,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368252027] [2022-11-18 18:27:14,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368252027] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:27:14,959 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:27:14,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2022-11-18 18:27:14,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183449315] [2022-11-18 18:27:14,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:27:14,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-18 18:27:14,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:27:14,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-18 18:27:14,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-11-18 18:27:14,961 INFO L87 Difference]: Start difference. First operand 1210 states and 1657 transitions. Second operand has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 18:27:16,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:19,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:21,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:23,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:25,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:27,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:27:47,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:47,040 INFO L93 Difference]: Finished difference Result 1337 states and 1691 transitions. [2022-11-18 18:27:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-18 18:27:47,041 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-18 18:27:47,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:47,048 INFO L225 Difference]: With dead ends: 1337 [2022-11-18 18:27:47,048 INFO L226 Difference]: Without dead ends: 1337 [2022-11-18 18:27:47,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=243, Invalid=407, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:27:47,049 INFO L413 NwaCegarLoop]: 823 mSDtfsCounter, 733 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 3127 mSolverCounterSat, 94 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 6337 SdHoareTripleChecker+Invalid, 3227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3127 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:47,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 6337 Invalid, 3227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3127 Invalid, 6 Unknown, 0 Unchecked, 29.4s Time] [2022-11-18 18:27:47,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1337 states. [2022-11-18 18:27:47,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1337 to 1223. [2022-11-18 18:27:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 756 states have (on average 1.7261904761904763) internal successors, (1305), 980 states have internal predecessors, (1305), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:27:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1673 transitions. [2022-11-18 18:27:47,087 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1673 transitions. Word has length 23 [2022-11-18 18:27:47,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:47,088 INFO L495 AbstractCegarLoop]: Abstraction has 1223 states and 1673 transitions. [2022-11-18 18:27:47,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.0) internal successors, (42), 15 states have internal predecessors, (42), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 18:27:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1673 transitions. [2022-11-18 18:27:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 18:27:47,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:47,089 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:47,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-18 18:27:47,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:47,303 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:27:47,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:47,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179145, now seen corresponding path program 2 times [2022-11-18 18:27:47,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:27:47,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36784254] [2022-11-18 18:27:47,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:27:47,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:47,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:27:47,306 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:27:47,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-18 18:27:47,840 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:27:47,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:27:47,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:27:47,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:27:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-18 18:27:48,100 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:27:48,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:27:48,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36784254] [2022-11-18 18:27:48,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [36784254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:27:48,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:27:48,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 18:27:48,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364140020] [2022-11-18 18:27:48,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:27:48,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:27:48,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:27:48,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:27:48,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:48,103 INFO L87 Difference]: Start difference. First operand 1223 states and 1673 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:27:50,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:50,025 INFO L93 Difference]: Finished difference Result 1431 states and 1766 transitions. [2022-11-18 18:27:50,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:27:50,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-18 18:27:50,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:50,030 INFO L225 Difference]: With dead ends: 1431 [2022-11-18 18:27:50,030 INFO L226 Difference]: Without dead ends: 1431 [2022-11-18 18:27:50,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:27:50,031 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 643 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 643 SdHoareTripleChecker+Valid, 1282 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:50,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [643 Valid, 1282 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-18 18:27:50,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2022-11-18 18:27:50,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1221. [2022-11-18 18:27:50,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 756 states have (on average 1.7142857142857142) internal successors, (1296), 978 states have internal predecessors, (1296), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:27:50,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1664 transitions. [2022-11-18 18:27:50,070 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1664 transitions. Word has length 31 [2022-11-18 18:27:50,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:50,070 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1664 transitions. [2022-11-18 18:27:50,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:27:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1664 transitions. [2022-11-18 18:27:50,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-18 18:27:50,072 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:50,072 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:50,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-18 18:27:50,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:50,286 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:27:50,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:50,287 INFO L85 PathProgramCache]: Analyzing trace with hash 1830179146, now seen corresponding path program 1 times [2022-11-18 18:27:50,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:27:50,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465272071] [2022-11-18 18:27:50,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:27:50,288 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:50,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:27:50,290 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:27:50,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-18 18:27:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:27:50,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:27:50,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:27:51,052 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:51,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:27:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:51,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:27:51,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465272071] [2022-11-18 18:27:51,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465272071] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:27:51,378 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:27:51,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2022-11-18 18:27:51,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039295489] [2022-11-18 18:27:51,378 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:27:51,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-18 18:27:51,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:27:51,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-18 18:27:51,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:27:51,380 INFO L87 Difference]: Start difference. First operand 1221 states and 1664 transitions. Second operand has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:27:52,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:27:52,534 INFO L93 Difference]: Finished difference Result 1221 states and 1660 transitions. [2022-11-18 18:27:52,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-18 18:27:52,537 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-18 18:27:52,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:27:52,566 INFO L225 Difference]: With dead ends: 1221 [2022-11-18 18:27:52,568 INFO L226 Difference]: Without dead ends: 1221 [2022-11-18 18:27:52,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-18 18:27:52,571 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 3391 mSDsluCounter, 4789 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3423 SdHoareTripleChecker+Valid, 5569 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:27:52,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3423 Valid, 5569 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-18 18:27:52,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2022-11-18 18:27:52,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2022-11-18 18:27:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 756 states have (on average 1.708994708994709) internal successors, (1292), 978 states have internal predecessors, (1292), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:27:52,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1660 transitions. [2022-11-18 18:27:52,608 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1660 transitions. Word has length 31 [2022-11-18 18:27:52,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:27:52,610 INFO L495 AbstractCegarLoop]: Abstraction has 1221 states and 1660 transitions. [2022-11-18 18:27:52,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:27:52,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1660 transitions. [2022-11-18 18:27:52,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-18 18:27:52,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:27:52,614 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:27:52,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-18 18:27:52,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:52,834 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:27:52,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:27:52,835 INFO L85 PathProgramCache]: Analyzing trace with hash -738162529, now seen corresponding path program 3 times [2022-11-18 18:27:52,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:27:52,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591970745] [2022-11-18 18:27:52,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 18:27:52,836 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:27:52,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:27:52,838 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:27:52,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-18 18:27:54,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2022-11-18 18:27:54,425 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:27:54,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 18:27:54,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:27:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:55,422 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:27:58,321 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:27:58,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:27:58,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591970745] [2022-11-18 18:27:58,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591970745] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:27:58,322 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:27:58,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2022-11-18 18:27:58,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563351185] [2022-11-18 18:27:58,323 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:27:58,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-18 18:27:58,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:27:58,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-18 18:27:58,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2022-11-18 18:27:58,324 INFO L87 Difference]: Start difference. First operand 1221 states and 1660 transitions. Second operand has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 18:28:00,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:02,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:04,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:06,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:08,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:10,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:12,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:14,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:16,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:18,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:51,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:28:51,264 INFO L93 Difference]: Finished difference Result 1570 states and 1888 transitions. [2022-11-18 18:28:51,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-18 18:28:51,265 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2022-11-18 18:28:51,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:28:51,273 INFO L225 Difference]: With dead ends: 1570 [2022-11-18 18:28:51,273 INFO L226 Difference]: Without dead ends: 1570 [2022-11-18 18:28:51,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2022-11-18 18:28:51,275 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 2460 mSDsluCounter, 8064 mSDsCounter, 0 mSdLazyCounter, 5461 mSolverCounterSat, 268 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 8805 SdHoareTripleChecker+Invalid, 5739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 5461 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:28:51,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2472 Valid, 8805 Invalid, 5739 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [268 Valid, 5461 Invalid, 10 Unknown, 0 Unchecked, 51.9s Time] [2022-11-18 18:28:51,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2022-11-18 18:28:51,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1219. [2022-11-18 18:28:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 755 states have (on average 1.7072847682119205) internal successors, (1289), 976 states have internal predecessors, (1289), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:28:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1657 transitions. [2022-11-18 18:28:51,348 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1657 transitions. Word has length 41 [2022-11-18 18:28:51,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:28:51,349 INFO L495 AbstractCegarLoop]: Abstraction has 1219 states and 1657 transitions. [2022-11-18 18:28:51,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.0) internal successors, (78), 26 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-18 18:28:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1657 transitions. [2022-11-18 18:28:51,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-18 18:28:51,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:28:51,356 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:28:51,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-18 18:28:51,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:28:51,579 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:28:51,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:28:51,580 INFO L85 PathProgramCache]: Analyzing trace with hash -704629430, now seen corresponding path program 2 times [2022-11-18 18:28:51,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:28:51,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641172955] [2022-11-18 18:28:51,581 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:28:51,581 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:28:51,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:28:51,582 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:28:51,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-18 18:28:52,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-18 18:28:52,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:28:52,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 18:28:52,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:28:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2022-11-18 18:28:52,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:28:52,789 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:28:52,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641172955] [2022-11-18 18:28:52,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [641172955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:28:52,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:28:52,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:28:52,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977379767] [2022-11-18 18:28:52,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:28:52,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:28:52,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:28:52,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:28:52,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:28:52,791 INFO L87 Difference]: Start difference. First operand 1219 states and 1657 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:28:54,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:28:57,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:28:57,612 INFO L93 Difference]: Finished difference Result 1275 states and 1669 transitions. [2022-11-18 18:28:57,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:28:57,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2022-11-18 18:28:57,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:28:57,617 INFO L225 Difference]: With dead ends: 1275 [2022-11-18 18:28:57,618 INFO L226 Difference]: Without dead ends: 1275 [2022-11-18 18:28:57,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:28:57,619 INFO L413 NwaCegarLoop]: 830 mSDtfsCounter, 236 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 571 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1974 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 571 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:28:57,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1974 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 571 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-18 18:28:57,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-11-18 18:28:57,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1217. [2022-11-18 18:28:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 755 states have (on average 1.7046357615894039) internal successors, (1287), 974 states have internal predecessors, (1287), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:28:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1655 transitions. [2022-11-18 18:28:57,650 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1655 transitions. Word has length 43 [2022-11-18 18:28:57,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:28:57,651 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1655 transitions. [2022-11-18 18:28:57,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:28:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1655 transitions. [2022-11-18 18:28:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 18:28:57,652 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:28:57,652 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:28:57,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-18 18:28:57,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:28:57,866 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:28:57,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:28:57,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2020825701, now seen corresponding path program 1 times [2022-11-18 18:28:57,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:28:57,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930808384] [2022-11-18 18:28:57,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:28:57,868 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:28:57,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:28:57,869 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:28:57,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-18 18:28:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:58,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 784 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:28:58,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:28:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:28:58,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:28:58,794 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:28:58,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930808384] [2022-11-18 18:28:58,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930808384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:28:58,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:28:58,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:28:58,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37221366] [2022-11-18 18:28:58,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:28:58,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:28:58,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:28:58,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:28:58,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:28:58,797 INFO L87 Difference]: Start difference. First operand 1217 states and 1655 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 18:28:58,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:28:58,816 INFO L93 Difference]: Finished difference Result 1217 states and 1654 transitions. [2022-11-18 18:28:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:28:58,817 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2022-11-18 18:28:58,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:28:58,824 INFO L225 Difference]: With dead ends: 1217 [2022-11-18 18:28:58,824 INFO L226 Difference]: Without dead ends: 1217 [2022-11-18 18:28:58,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:28:58,825 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 750 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:28:58,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 785 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:28:58,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2022-11-18 18:28:58,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1217. [2022-11-18 18:28:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1217 states, 755 states have (on average 1.7033112582781458) internal successors, (1286), 974 states have internal predecessors, (1286), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:28:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1654 transitions. [2022-11-18 18:28:58,860 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1654 transitions. Word has length 67 [2022-11-18 18:28:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:28:58,861 INFO L495 AbstractCegarLoop]: Abstraction has 1217 states and 1654 transitions. [2022-11-18 18:28:58,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 18:28:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1654 transitions. [2022-11-18 18:28:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 18:28:58,862 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:28:58,863 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:28:58,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-18 18:28:59,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:28:59,086 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:28:59,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:28:59,086 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823779, now seen corresponding path program 1 times [2022-11-18 18:28:59,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:28:59,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1193213089] [2022-11-18 18:28:59,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:28:59,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:28:59,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:28:59,088 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:28:59,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-18 18:28:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:28:59,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 18:28:59,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:28:59,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2022-11-18 18:28:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:28:59,915 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:28:59,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:28:59,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1193213089] [2022-11-18 18:28:59,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1193213089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:28:59,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:28:59,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:28:59,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107311051] [2022-11-18 18:28:59,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:28:59,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:28:59,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:28:59,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:28:59,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:28:59,919 INFO L87 Difference]: Start difference. First operand 1217 states and 1654 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 18:29:01,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:03,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:03,059 INFO L93 Difference]: Finished difference Result 1216 states and 1653 transitions. [2022-11-18 18:29:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:29:03,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2022-11-18 18:29:03,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:03,066 INFO L225 Difference]: With dead ends: 1216 [2022-11-18 18:29:03,066 INFO L226 Difference]: Without dead ends: 1216 [2022-11-18 18:29:03,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:29:03,067 INFO L413 NwaCegarLoop]: 783 mSDtfsCounter, 2 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:03,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1355 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2022-11-18 18:29:03,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2022-11-18 18:29:03,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1216. [2022-11-18 18:29:03,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1216 states, 755 states have (on average 1.7019867549668874) internal successors, (1285), 973 states have internal predecessors, (1285), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:29:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1653 transitions. [2022-11-18 18:29:03,102 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1653 transitions. Word has length 67 [2022-11-18 18:29:03,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:03,102 INFO L495 AbstractCegarLoop]: Abstraction has 1216 states and 1653 transitions. [2022-11-18 18:29:03,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 18:29:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1653 transitions. [2022-11-18 18:29:03,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-18 18:29:03,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:03,104 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:03,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-18 18:29:03,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:03,321 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:29:03,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:03,321 INFO L85 PathProgramCache]: Analyzing trace with hash 2020823780, now seen corresponding path program 1 times [2022-11-18 18:29:03,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:29:03,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1492087285] [2022-11-18 18:29:03,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:03,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:03,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:29:03,325 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:29:03,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-18 18:29:04,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:04,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 18:29:04,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:04,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-18 18:29:04,395 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:29:04,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:29:04,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:29:04,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1492087285] [2022-11-18 18:29:04,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1492087285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:29:04,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:29:04,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:29:04,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616784531] [2022-11-18 18:29:04,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:29:04,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:29:04,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:29:04,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:29:04,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:29:04,399 INFO L87 Difference]: Start difference. First operand 1216 states and 1653 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 18:29:06,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:07,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:07,884 INFO L93 Difference]: Finished difference Result 1215 states and 1652 transitions. [2022-11-18 18:29:07,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:29:07,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 67 [2022-11-18 18:29:07,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:07,889 INFO L225 Difference]: With dead ends: 1215 [2022-11-18 18:29:07,889 INFO L226 Difference]: Without dead ends: 1215 [2022-11-18 18:29:07,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:29:07,889 INFO L413 NwaCegarLoop]: 780 mSDtfsCounter, 747 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1356 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:07,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1356 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2022-11-18 18:29:07,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2022-11-18 18:29:07,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1215. [2022-11-18 18:29:07,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 755 states have (on average 1.7006622516556291) internal successors, (1284), 972 states have internal predecessors, (1284), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2022-11-18 18:29:07,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1652 transitions. [2022-11-18 18:29:07,923 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1652 transitions. Word has length 67 [2022-11-18 18:29:07,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:07,924 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1652 transitions. [2022-11-18 18:29:07,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-18 18:29:07,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1652 transitions. [2022-11-18 18:29:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-18 18:29:07,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:07,926 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:07,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-18 18:29:08,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:08,148 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:29:08,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:08,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1355687384, now seen corresponding path program 1 times [2022-11-18 18:29:08,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:29:08,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [39314099] [2022-11-18 18:29:08,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:08,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:08,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:29:08,150 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:29:08,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-18 18:29:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:08,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 18:29:08,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:29:08,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:29:08,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:29:08,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [39314099] [2022-11-18 18:29:08,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [39314099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:29:08,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:29:08,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:29:08,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674192205] [2022-11-18 18:29:08,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:29:08,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:29:08,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:29:08,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:29:08,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:29:08,963 INFO L87 Difference]: Start difference. First operand 1215 states and 1652 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:29:10,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:12,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:12,150 INFO L93 Difference]: Finished difference Result 1256 states and 1661 transitions. [2022-11-18 18:29:12,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:29:12,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2022-11-18 18:29:12,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:12,158 INFO L225 Difference]: With dead ends: 1256 [2022-11-18 18:29:12,158 INFO L226 Difference]: Without dead ends: 1244 [2022-11-18 18:29:12,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:29:12,159 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 93 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:12,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1317 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2022-11-18 18:29:12,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1244 states. [2022-11-18 18:29:12,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1244 to 1211. [2022-11-18 18:29:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 753 states have (on average 1.701195219123506) internal successors, (1281), 970 states have internal predecessors, (1281), 183 states have call successors, (183), 79 states have call predecessors, (183), 78 states have return successors, (181), 174 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-18 18:29:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1645 transitions. [2022-11-18 18:29:12,196 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1645 transitions. Word has length 74 [2022-11-18 18:29:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:12,196 INFO L495 AbstractCegarLoop]: Abstraction has 1211 states and 1645 transitions. [2022-11-18 18:29:12,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:29:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1645 transitions. [2022-11-18 18:29:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:29:12,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:12,198 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:12,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-18 18:29:12,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:12,423 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:29:12,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:12,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150361, now seen corresponding path program 1 times [2022-11-18 18:29:12,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:29:12,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [905846669] [2022-11-18 18:29:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:12,424 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:12,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:29:12,425 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:29:12,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-18 18:29:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:13,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:29:13,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:14,425 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:29:14,425 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 18:29:14,541 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-18 18:29:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:29:14,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:29:14,770 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:29:14,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [905846669] [2022-11-18 18:29:14,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [905846669] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:29:14,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2061908728] [2022-11-18 18:29:14,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:14,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:29:14,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:29:14,772 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:29:14,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2022-11-18 18:29:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:17,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:29:17,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:18,164 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-18 18:29:18,164 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-18 18:29:18,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 32 [2022-11-18 18:29:18,426 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:29:18,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:29:18,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2061908728] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:29:18,515 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:29:18,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-18 18:29:18,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642566434] [2022-11-18 18:29:18,515 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:29:18,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:29:18,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:29:18,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:29:18,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:29:18,517 INFO L87 Difference]: Start difference. First operand 1211 states and 1645 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-18 18:29:20,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:22,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:24,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:26,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:33,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:33,171 INFO L93 Difference]: Finished difference Result 1742 states and 2280 transitions. [2022-11-18 18:29:33,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:29:33,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2022-11-18 18:29:33,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:33,179 INFO L225 Difference]: With dead ends: 1742 [2022-11-18 18:29:33,179 INFO L226 Difference]: Without dead ends: 1742 [2022-11-18 18:29:33,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:29:33,180 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 752 mSDsluCounter, 3579 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 4283 SdHoareTripleChecker+Invalid, 2489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:33,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 4283 Invalid, 2489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2480 Invalid, 4 Unknown, 0 Unchecked, 14.5s Time] [2022-11-18 18:29:33,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2022-11-18 18:29:33,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1519. [2022-11-18 18:29:33,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1519 states, 981 states have (on average 1.730886850152905) internal successors, (1698), 1210 states have internal predecessors, (1698), 241 states have call successors, (241), 101 states have call predecessors, (241), 100 states have return successors, (239), 225 states have call predecessors, (239), 239 states have call successors, (239) [2022-11-18 18:29:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 2178 transitions. [2022-11-18 18:29:33,225 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 2178 transitions. Word has length 76 [2022-11-18 18:29:33,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:33,225 INFO L495 AbstractCegarLoop]: Abstraction has 1519 states and 2178 transitions. [2022-11-18 18:29:33,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (12), 4 states have call predecessors, (12), 2 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2022-11-18 18:29:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2178 transitions. [2022-11-18 18:29:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-18 18:29:33,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:33,227 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:33,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2022-11-18 18:29:33,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0 [2022-11-18 18:29:33,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:33,641 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:29:33,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:33,641 INFO L85 PathProgramCache]: Analyzing trace with hash -1244150360, now seen corresponding path program 1 times [2022-11-18 18:29:33,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:29:33,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135192250] [2022-11-18 18:29:33,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:33,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:33,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:29:33,643 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:29:33,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-18 18:29:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:35,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:29:35,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:36,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:29:36,132 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:29:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:29:36,298 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:29:36,959 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:29:36,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135192250] [2022-11-18 18:29:36,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135192250] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:29:36,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1683842051] [2022-11-18 18:29:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:36,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:29:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:29:36,961 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:29:36,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2022-11-18 18:29:39,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:39,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 813 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:29:39,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:40,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:29:40,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:29:41,008 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:29:41,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:29:41,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1683842051] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:29:41,433 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:29:41,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-18 18:29:41,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790288696] [2022-11-18 18:29:41,433 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:29:41,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:29:41,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:29:41,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:29:41,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:29:41,435 INFO L87 Difference]: Start difference. First operand 1519 states and 2178 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:29:43,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:45,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:29:51,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:51,997 INFO L93 Difference]: Finished difference Result 1942 states and 2503 transitions. [2022-11-18 18:29:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:29:51,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 76 [2022-11-18 18:29:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:52,003 INFO L225 Difference]: With dead ends: 1942 [2022-11-18 18:29:52,003 INFO L226 Difference]: Without dead ends: 1942 [2022-11-18 18:29:52,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:29:52,004 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 994 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2296 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:52,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [994 Valid, 2296 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1905 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-11-18 18:29:52,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1942 states. [2022-11-18 18:29:52,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1942 to 1696. [2022-11-18 18:29:52,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1116 states have (on average 1.739247311827957) internal successors, (1941), 1341 states have internal predecessors, (1941), 268 states have call successors, (268), 116 states have call predecessors, (268), 115 states have return successors, (266), 257 states have call predecessors, (266), 266 states have call successors, (266) [2022-11-18 18:29:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2475 transitions. [2022-11-18 18:29:52,051 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2475 transitions. Word has length 76 [2022-11-18 18:29:52,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:52,052 INFO L495 AbstractCegarLoop]: Abstraction has 1696 states and 2475 transitions. [2022-11-18 18:29:52,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-18 18:29:52,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2475 transitions. [2022-11-18 18:29:52,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-18 18:29:52,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:52,053 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:52,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2022-11-18 18:29:52,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-18 18:29:52,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:52,467 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:29:52,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:52,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1356949500, now seen corresponding path program 1 times [2022-11-18 18:29:52,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:29:52,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980022025] [2022-11-18 18:29:52,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:52,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:52,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:29:52,469 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:29:52,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-18 18:29:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:53,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 789 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:29:53,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:53,279 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-18 18:29:53,279 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:29:53,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:29:53,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980022025] [2022-11-18 18:29:53,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980022025] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:29:53,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:29:53,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:29:53,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476943280] [2022-11-18 18:29:53,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:29:53,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:29:53,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:29:53,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:29:53,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:29:53,281 INFO L87 Difference]: Start difference. First operand 1696 states and 2475 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 18:29:53,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:29:53,349 INFO L93 Difference]: Finished difference Result 1336 states and 1884 transitions. [2022-11-18 18:29:53,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:29:53,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 81 [2022-11-18 18:29:53,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:29:53,354 INFO L225 Difference]: With dead ends: 1336 [2022-11-18 18:29:53,354 INFO L226 Difference]: Without dead ends: 1331 [2022-11-18 18:29:53,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:29:53,354 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 3 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3128 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:29:53,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 3128 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:29:53,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-11-18 18:29:53,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2022-11-18 18:29:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 857 states have (on average 1.7432905484247374) internal successors, (1494), 1069 states have internal predecessors, (1494), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:29:53,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1878 transitions. [2022-11-18 18:29:53,389 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1878 transitions. Word has length 81 [2022-11-18 18:29:53,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:29:53,389 INFO L495 AbstractCegarLoop]: Abstraction has 1331 states and 1878 transitions. [2022-11-18 18:29:53,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 18:29:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1878 transitions. [2022-11-18 18:29:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 18:29:53,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:29:53,391 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:29:53,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-18 18:29:53,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:53,610 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:29:53,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:29:53,611 INFO L85 PathProgramCache]: Analyzing trace with hash 986823980, now seen corresponding path program 1 times [2022-11-18 18:29:53,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:29:53,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [863935626] [2022-11-18 18:29:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:53,612 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:29:53,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:29:53,613 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:29:53,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-18 18:29:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:55,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:29:55,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:55,700 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:29:55,701 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 18:29:55,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-18 18:29:55,877 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 18:29:55,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:29:56,015 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:29:56,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [863935626] [2022-11-18 18:29:56,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [863935626] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:29:56,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [941495173] [2022-11-18 18:29:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:29:56,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:29:56,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:29:56,017 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:29:56,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2022-11-18 18:29:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:29:58,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:29:58,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:29:59,469 INFO L321 Elim1Store]: treesize reduction 44, result has 34.3 percent of original size [2022-11-18 18:29:59,470 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 43 [2022-11-18 18:29:59,616 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 32 [2022-11-18 18:29:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 18:29:59,835 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:29:59,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [941495173] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:29:59,937 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:29:59,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2022-11-18 18:29:59,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776136571] [2022-11-18 18:29:59,937 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:29:59,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:29:59,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:29:59,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:29:59,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-18 18:29:59,939 INFO L87 Difference]: Start difference. First operand 1331 states and 1878 transitions. Second operand has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-18 18:30:01,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:03,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:05,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:07,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:10,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:12,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:30:18,913 INFO L93 Difference]: Finished difference Result 1506 states and 1890 transitions. [2022-11-18 18:30:18,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:30:18,914 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 82 [2022-11-18 18:30:18,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:30:18,919 INFO L225 Difference]: With dead ends: 1506 [2022-11-18 18:30:18,920 INFO L226 Difference]: Without dead ends: 1506 [2022-11-18 18:30:18,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-18 18:30:18,921 INFO L413 NwaCegarLoop]: 700 mSDtfsCounter, 737 mSDsluCounter, 3860 mSDsCounter, 0 mSdLazyCounter, 2795 mSolverCounterSat, 5 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 4560 SdHoareTripleChecker+Invalid, 2806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2795 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:30:18,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [738 Valid, 4560 Invalid, 2806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2795 Invalid, 6 Unknown, 0 Unchecked, 18.8s Time] [2022-11-18 18:30:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2022-11-18 18:30:18,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1329. [2022-11-18 18:30:18,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 857 states have (on average 1.7409568261376895) internal successors, (1492), 1067 states have internal predecessors, (1492), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:30:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1876 transitions. [2022-11-18 18:30:18,955 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1876 transitions. Word has length 82 [2022-11-18 18:30:18,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:30:18,955 INFO L495 AbstractCegarLoop]: Abstraction has 1329 states and 1876 transitions. [2022-11-18 18:30:18,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.0) internal successors, (72), 7 states have internal predecessors, (72), 4 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2022-11-18 18:30:18,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1876 transitions. [2022-11-18 18:30:18,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-18 18:30:18,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:30:18,957 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:30:18,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-18 18:30:19,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2022-11-18 18:30:19,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:30:19,379 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:30:19,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:30:19,379 INFO L85 PathProgramCache]: Analyzing trace with hash 986823981, now seen corresponding path program 1 times [2022-11-18 18:30:19,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:30:19,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465534805] [2022-11-18 18:30:19,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:19,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:30:19,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:30:19,381 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:30:19,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-18 18:30:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:20,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:30:20,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:30:21,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:30:21,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:30:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:30:22,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:30:25,344 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:30:25,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465534805] [2022-11-18 18:30:25,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [465534805] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:30:25,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1621215452] [2022-11-18 18:30:25,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:25,345 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:30:25,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:30:25,353 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:30:25,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2022-11-18 18:30:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:28,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 869 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:30:28,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:30:29,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:30:29,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:30:29,628 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2022-11-18 18:30:29,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:30:32,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1621215452] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:30:32,034 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:30:32,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2022-11-18 18:30:32,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581810270] [2022-11-18 18:30:32,035 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:30:32,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:30:32,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:30:32,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:30:32,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=66, Unknown=1, NotChecked=0, Total=90 [2022-11-18 18:30:32,039 INFO L87 Difference]: Start difference. First operand 1329 states and 1876 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 18:30:34,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:36,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:41,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:30:41,831 INFO L93 Difference]: Finished difference Result 1573 states and 1902 transitions. [2022-11-18 18:30:41,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:30:41,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 82 [2022-11-18 18:30:41,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:30:41,837 INFO L225 Difference]: With dead ends: 1573 [2022-11-18 18:30:41,838 INFO L226 Difference]: Without dead ends: 1573 [2022-11-18 18:30:41,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=50, Invalid=105, Unknown=1, NotChecked=0, Total=156 [2022-11-18 18:30:41,839 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 1503 mSDsluCounter, 1385 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 144 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1504 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 1827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-18 18:30:41,839 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1504 Valid, 2001 Invalid, 1827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1681 Invalid, 2 Unknown, 0 Unchecked, 9.6s Time] [2022-11-18 18:30:41,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2022-11-18 18:30:41,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1327. [2022-11-18 18:30:41,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 857 states have (on average 1.7386231038506417) internal successors, (1490), 1065 states have internal predecessors, (1490), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:30:41,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1874 transitions. [2022-11-18 18:30:41,872 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1874 transitions. Word has length 82 [2022-11-18 18:30:41,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:30:41,872 INFO L495 AbstractCegarLoop]: Abstraction has 1327 states and 1874 transitions. [2022-11-18 18:30:41,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-18 18:30:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1874 transitions. [2022-11-18 18:30:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-18 18:30:41,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:30:41,874 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:30:41,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2022-11-18 18:30:42,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2022-11-18 18:30:42,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:30:42,295 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:30:42,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:30:42,295 INFO L85 PathProgramCache]: Analyzing trace with hash -3613151, now seen corresponding path program 1 times [2022-11-18 18:30:42,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:30:42,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850904575] [2022-11-18 18:30:42,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:42,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:30:42,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:30:42,298 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:30:42,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-18 18:30:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:44,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:30:44,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:30:44,524 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:30:44,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 18:30:44,602 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-18 18:30:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:30:44,711 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:30:44,711 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:30:44,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850904575] [2022-11-18 18:30:44,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850904575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:30:44,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:30:44,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:30:44,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395284652] [2022-11-18 18:30:44,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:30:44,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:30:44,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:30:44,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:30:44,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:30:44,714 INFO L87 Difference]: Start difference. First operand 1327 states and 1874 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:30:46,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:30:49,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:30:49,564 INFO L93 Difference]: Finished difference Result 1502 states and 1886 transitions. [2022-11-18 18:30:49,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:30:49,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2022-11-18 18:30:49,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:30:49,571 INFO L225 Difference]: With dead ends: 1502 [2022-11-18 18:30:49,572 INFO L226 Difference]: Without dead ends: 1502 [2022-11-18 18:30:49,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:30:49,573 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 719 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 754 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 754 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:30:49,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1687 Invalid, 760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 754 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-18 18:30:49,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2022-11-18 18:30:49,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1325. [2022-11-18 18:30:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 857 states have (on average 1.736289381563594) internal successors, (1488), 1063 states have internal predecessors, (1488), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:30:49,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1872 transitions. [2022-11-18 18:30:49,604 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1872 transitions. Word has length 88 [2022-11-18 18:30:49,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:30:49,604 INFO L495 AbstractCegarLoop]: Abstraction has 1325 states and 1872 transitions. [2022-11-18 18:30:49,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:30:49,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1872 transitions. [2022-11-18 18:30:49,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-18 18:30:49,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:30:49,606 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:30:49,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-18 18:30:49,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:30:49,830 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:30:49,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:30:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -3613150, now seen corresponding path program 1 times [2022-11-18 18:30:49,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:30:49,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [818649338] [2022-11-18 18:30:49,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:49,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:30:49,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:30:49,833 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:30:49,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-18 18:30:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:51,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:30:51,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:30:53,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:30:53,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:30:53,345 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:30:53,345 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:30:54,044 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:30:54,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [818649338] [2022-11-18 18:30:54,045 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [818649338] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:30:54,045 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1419560299] [2022-11-18 18:30:54,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:30:54,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:30:54,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:30:54,046 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:30:54,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2022-11-18 18:30:57,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:30:57,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-18 18:30:57,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:30:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:30:58,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:30:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:30:59,207 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:30:59,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1419560299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:30:59,693 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:30:59,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-11-18 18:30:59,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015353571] [2022-11-18 18:30:59,694 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:30:59,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:30:59,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:30:59,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:30:59,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:30:59,695 INFO L87 Difference]: Start difference. First operand 1325 states and 1872 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:31:01,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:04,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:04,104 INFO L93 Difference]: Finished difference Result 1376 states and 1879 transitions. [2022-11-18 18:31:04,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:31:04,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 88 [2022-11-18 18:31:04,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:04,109 INFO L225 Difference]: With dead ends: 1376 [2022-11-18 18:31:04,109 INFO L226 Difference]: Without dead ends: 1376 [2022-11-18 18:31:04,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:31:04,110 INFO L413 NwaCegarLoop]: 761 mSDtfsCounter, 149 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 1848 SdHoareTripleChecker+Invalid, 540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:04,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 1848 Invalid, 540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 527 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-18 18:31:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2022-11-18 18:31:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1323. [2022-11-18 18:31:04,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 857 states have (on average 1.7327887981330221) internal successors, (1485), 1061 states have internal predecessors, (1485), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:31:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1869 transitions. [2022-11-18 18:31:04,141 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1869 transitions. Word has length 88 [2022-11-18 18:31:04,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:04,142 INFO L495 AbstractCegarLoop]: Abstraction has 1323 states and 1869 transitions. [2022-11-18 18:31:04,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:31:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1869 transitions. [2022-11-18 18:31:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 18:31:04,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:04,143 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:04,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:04,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:04,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:04,559 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:31:04,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:04,559 INFO L85 PathProgramCache]: Analyzing trace with hash -112007323, now seen corresponding path program 1 times [2022-11-18 18:31:04,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:31:04,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901307973] [2022-11-18 18:31:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:04,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:31:04,561 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:31:04,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-18 18:31:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:06,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 18:31:06,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:07,015 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:31:07,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 18:31:07,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-18 18:31:07,251 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:31:07,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:31:07,252 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:31:07,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901307973] [2022-11-18 18:31:07,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901307973] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:07,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:07,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:31:07,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316210234] [2022-11-18 18:31:07,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:07,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:31:07,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:31:07,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:31:07,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:31:07,254 INFO L87 Difference]: Start difference. First operand 1323 states and 1869 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:31:09,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:11,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:14,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:14,555 INFO L93 Difference]: Finished difference Result 1498 states and 1881 transitions. [2022-11-18 18:31:14,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:31:14,556 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2022-11-18 18:31:14,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:14,560 INFO L225 Difference]: With dead ends: 1498 [2022-11-18 18:31:14,560 INFO L226 Difference]: Without dead ends: 1498 [2022-11-18 18:31:14,560 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:31:14,561 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 1078 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 59 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1078 SdHoareTripleChecker+Valid, 2009 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:14,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1078 Valid, 2009 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 1081 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-18 18:31:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2022-11-18 18:31:14,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1321. [2022-11-18 18:31:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 857 states have (on average 1.7304550758459742) internal successors, (1483), 1059 states have internal predecessors, (1483), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:31:14,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1867 transitions. [2022-11-18 18:31:14,611 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1867 transitions. Word has length 89 [2022-11-18 18:31:14,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:14,612 INFO L495 AbstractCegarLoop]: Abstraction has 1321 states and 1867 transitions. [2022-11-18 18:31:14,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:31:14,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1867 transitions. [2022-11-18 18:31:14,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-18 18:31:14,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:14,614 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:14,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:14,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:14,838 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:31:14,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:14,839 INFO L85 PathProgramCache]: Analyzing trace with hash -112007322, now seen corresponding path program 1 times [2022-11-18 18:31:14,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:31:14,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1998831799] [2022-11-18 18:31:14,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:14,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:14,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:31:14,841 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:31:14,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-18 18:31:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:16,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:31:16,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:17,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:31:17,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:31:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:31:17,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:31:18,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:31:18,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1998831799] [2022-11-18 18:31:18,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1998831799] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:31:18,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [383241926] [2022-11-18 18:31:18,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:18,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:31:18,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:31:18,538 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:31:18,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2022-11-18 18:31:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:22,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 935 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-18 18:31:22,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:23,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:31:23,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:31:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:31:23,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:31:23,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [383241926] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:31:23,598 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:31:23,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2022-11-18 18:31:23,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617210890] [2022-11-18 18:31:23,598 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:31:23,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:31:23,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:31:23,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:31:23,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:31:23,600 INFO L87 Difference]: Start difference. First operand 1321 states and 1867 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:31:25,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:30,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:30,792 INFO L93 Difference]: Finished difference Result 1565 states and 1893 transitions. [2022-11-18 18:31:30,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:31:30,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 89 [2022-11-18 18:31:30,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:30,796 INFO L225 Difference]: With dead ends: 1565 [2022-11-18 18:31:30,796 INFO L226 Difference]: Without dead ends: 1565 [2022-11-18 18:31:30,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:31:30,797 INFO L413 NwaCegarLoop]: 579 mSDtfsCounter, 1391 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 1251 mSolverCounterSat, 87 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 1339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:30,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 1865 Invalid, 1339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1251 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2022-11-18 18:31:30,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-11-18 18:31:30,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 1319. [2022-11-18 18:31:30,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 857 states have (on average 1.7281213535589266) internal successors, (1481), 1057 states have internal predecessors, (1481), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:31:30,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1865 transitions. [2022-11-18 18:31:30,819 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1865 transitions. Word has length 89 [2022-11-18 18:31:30,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:30,820 INFO L495 AbstractCegarLoop]: Abstraction has 1319 states and 1865 transitions. [2022-11-18 18:31:30,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-18 18:31:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1865 transitions. [2022-11-18 18:31:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 18:31:30,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:30,821 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:30,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:31,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:31,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:31,235 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting cdev_addErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:31:31,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:31,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903835, now seen corresponding path program 1 times [2022-11-18 18:31:31,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:31:31,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2010342090] [2022-11-18 18:31:31,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:31,236 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:31,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:31:31,237 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:31:31,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-18 18:31:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:32,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:31:32,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:32,452 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:31:32,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:31:32,452 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:31:32,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2010342090] [2022-11-18 18:31:32,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2010342090] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:32,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:32,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:31:32,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549680775] [2022-11-18 18:31:32,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:32,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:31:32,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:31:32,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:31:32,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:31:32,454 INFO L87 Difference]: Start difference. First operand 1319 states and 1865 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:31:34,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:36,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:39,792 INFO L93 Difference]: Finished difference Result 1494 states and 1877 transitions. [2022-11-18 18:31:39,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:31:39,793 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 96 [2022-11-18 18:31:39,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:39,795 INFO L225 Difference]: With dead ends: 1494 [2022-11-18 18:31:39,795 INFO L226 Difference]: Without dead ends: 1494 [2022-11-18 18:31:39,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:31:39,796 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 790 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 2188 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:39,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 2188 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1094 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2022-11-18 18:31:39,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2022-11-18 18:31:39,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1317. [2022-11-18 18:31:39,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1317 states, 857 states have (on average 1.7257876312718787) internal successors, (1479), 1055 states have internal predecessors, (1479), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:31:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1317 states and 1863 transitions. [2022-11-18 18:31:39,824 INFO L78 Accepts]: Start accepts. Automaton has 1317 states and 1863 transitions. Word has length 96 [2022-11-18 18:31:39,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:39,824 INFO L495 AbstractCegarLoop]: Abstraction has 1317 states and 1863 transitions. [2022-11-18 18:31:39,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-18 18:31:39,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1863 transitions. [2022-11-18 18:31:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-18 18:31:39,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:39,826 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:39,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-18 18:31:40,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:40,043 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:31:40,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:40,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1939903834, now seen corresponding path program 1 times [2022-11-18 18:31:40,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:31:40,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650834553] [2022-11-18 18:31:40,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:40,045 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:31:40,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:31:40,046 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:31:40,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-18 18:31:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:42,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 18:31:42,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:43,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:31:43,510 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:31:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:31:44,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:31:45,107 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:31:45,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650834553] [2022-11-18 18:31:45,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650834553] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:31:45,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1540915177] [2022-11-18 18:31:45,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:45,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:31:45,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:31:45,109 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:31:45,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2022-11-18 18:31:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:49,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 18:31:49,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:31:50,102 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 18:31:50,103 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-18 18:31:50,336 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-18 18:31:51,077 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 18:31:51,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 23 [2022-11-18 18:31:51,157 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:31:51,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:31:51,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-11-18 18:31:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:31:53,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1540915177] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 18:31:53,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:31:53,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-18 18:31:53,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837755995] [2022-11-18 18:31:53,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:53,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:31:53,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:31:53,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:31:53,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:31:53,170 INFO L87 Difference]: Start difference. First operand 1317 states and 1863 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-18 18:31:55,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:57,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:31:59,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:09,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:32:09,596 INFO L93 Difference]: Finished difference Result 1369 states and 1872 transitions. [2022-11-18 18:32:09,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:32:09,597 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 96 [2022-11-18 18:32:09,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:32:09,600 INFO L225 Difference]: With dead ends: 1369 [2022-11-18 18:32:09,600 INFO L226 Difference]: Without dead ends: 1369 [2022-11-18 18:32:09,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-11-18 18:32:09,601 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 347 mSDsluCounter, 2517 mSDsCounter, 0 mSdLazyCounter, 1461 mSolverCounterSat, 27 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 3261 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1461 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:32:09,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 3261 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1461 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2022-11-18 18:32:09,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2022-11-18 18:32:09,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 1316. [2022-11-18 18:32:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1316 states, 857 states have (on average 1.7246207701283547) internal successors, (1478), 1054 states have internal predecessors, (1478), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:32:09,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1316 states and 1862 transitions. [2022-11-18 18:32:09,626 INFO L78 Accepts]: Start accepts. Automaton has 1316 states and 1862 transitions. Word has length 96 [2022-11-18 18:32:09,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:32:09,626 INFO L495 AbstractCegarLoop]: Abstraction has 1316 states and 1862 transitions. [2022-11-18 18:32:09,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-18 18:32:09,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1862 transitions. [2022-11-18 18:32:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-18 18:32:09,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:32:09,628 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:32:09,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-18 18:32:09,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2022-11-18 18:32:10,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:32:10,051 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting cdev_addErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:32:10,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:32:10,051 INFO L85 PathProgramCache]: Analyzing trace with hash -7475738, now seen corresponding path program 1 times [2022-11-18 18:32:10,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:32:10,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [257364526] [2022-11-18 18:32:10,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:10,052 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:32:10,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:32:10,053 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:32:10,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-18 18:32:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:12,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-18 18:32:12,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:32:13,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:32:13,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:32:14,156 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:32:14,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:32:17,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:32:17,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [257364526] [2022-11-18 18:32:17,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [257364526] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:32:17,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1427941866] [2022-11-18 18:32:17,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:17,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:32:17,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:32:17,197 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:32:17,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2022-11-18 18:32:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:21,076 INFO L263 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 18:32:21,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:32:22,002 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-18 18:32:22,003 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-11-18 18:32:22,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-18 18:32:22,906 INFO L321 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2022-11-18 18:32:22,907 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 23 [2022-11-18 18:32:22,991 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:32:22,991 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:32:23,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2022-11-18 18:32:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:32:24,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1427941866] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-18 18:32:24,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:32:24,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2022-11-18 18:32:24,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707533924] [2022-11-18 18:32:24,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:32:24,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-18 18:32:24,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:32:24,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-18 18:32:24,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=282, Unknown=1, NotChecked=0, Total=342 [2022-11-18 18:32:24,762 INFO L87 Difference]: Start difference. First operand 1316 states and 1862 transitions. Second operand has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-18 18:32:26,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:28,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:30,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:32,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:32:44,682 INFO L93 Difference]: Finished difference Result 1368 states and 1871 transitions. [2022-11-18 18:32:44,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 18:32:44,683 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 97 [2022-11-18 18:32:44,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:32:44,686 INFO L225 Difference]: With dead ends: 1368 [2022-11-18 18:32:44,686 INFO L226 Difference]: Without dead ends: 1368 [2022-11-18 18:32:44,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=63, Invalid=316, Unknown=1, NotChecked=0, Total=380 [2022-11-18 18:32:44,687 INFO L413 NwaCegarLoop]: 744 mSDtfsCounter, 231 mSDsluCounter, 3047 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 16 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 3791 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:32:44,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 3791 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1681 Invalid, 4 Unknown, 0 Unchecked, 19.7s Time] [2022-11-18 18:32:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2022-11-18 18:32:44,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1315. [2022-11-18 18:32:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 857 states have (on average 1.7234539089848309) internal successors, (1477), 1053 states have internal predecessors, (1477), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:32:44,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1861 transitions. [2022-11-18 18:32:44,733 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1861 transitions. Word has length 97 [2022-11-18 18:32:44,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:32:44,733 INFO L495 AbstractCegarLoop]: Abstraction has 1315 states and 1861 transitions. [2022-11-18 18:32:44,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.625) internal successors, (45), 8 states have internal predecessors, (45), 5 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-11-18 18:32:44,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1861 transitions. [2022-11-18 18:32:44,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 18:32:44,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:32:44,735 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:32:44,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Forceful destruction successful, exit code 0 [2022-11-18 18:32:44,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2022-11-18 18:32:45,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt [2022-11-18 18:32:45,153 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting cdev_addErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:32:45,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:32:45,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435149, now seen corresponding path program 1 times [2022-11-18 18:32:45,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:32:45,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432960017] [2022-11-18 18:32:45,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:45,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:32:45,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:32:45,155 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:32:45,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-18 18:32:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:47,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:32:47,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:32:47,867 INFO L321 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2022-11-18 18:32:47,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2022-11-18 18:32:47,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 20 [2022-11-18 18:32:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:32:48,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:32:48,150 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:32:48,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432960017] [2022-11-18 18:32:48,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1432960017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:32:48,150 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:32:48,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:32:48,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308788785] [2022-11-18 18:32:48,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:32:48,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:32:48,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:32:48,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:32:48,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:32:48,152 INFO L87 Difference]: Start difference. First operand 1315 states and 1861 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 18:32:50,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:32:52,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:32:52,879 INFO L93 Difference]: Finished difference Result 1472 states and 1855 transitions. [2022-11-18 18:32:52,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:32:52,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2022-11-18 18:32:52,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:32:52,883 INFO L225 Difference]: With dead ends: 1472 [2022-11-18 18:32:52,883 INFO L226 Difference]: Without dead ends: 1472 [2022-11-18 18:32:52,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:32:52,883 INFO L413 NwaCegarLoop]: 688 mSDtfsCounter, 670 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 1518 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-18 18:32:52,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 1518 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-18 18:32:52,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2022-11-18 18:32:52,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 1311. [2022-11-18 18:32:52,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 857 states have (on average 1.7001166861143524) internal successors, (1457), 1049 states have internal predecessors, (1457), 192 states have call successors, (192), 85 states have call predecessors, (192), 85 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:32:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1841 transitions. [2022-11-18 18:32:52,916 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1841 transitions. Word has length 106 [2022-11-18 18:32:52,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:32:52,916 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1841 transitions. [2022-11-18 18:32:52,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 18:32:52,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1841 transitions. [2022-11-18 18:32:52,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-18 18:32:52,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:32:52,920 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:32:52,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-11-18 18:32:53,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:32:53,135 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting cdev_addErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:32:53,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:32:53,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1798435150, now seen corresponding path program 1 times [2022-11-18 18:32:53,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:32:53,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350389540] [2022-11-18 18:32:53,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:53,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:32:53,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:32:53,137 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:32:53,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-18 18:32:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:32:55,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 18:32:55,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:32:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:32:56,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:32:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:32:57,054 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:32:57,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:32:57,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350389540] [2022-11-18 18:32:57,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350389540] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:32:57,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1145734249] [2022-11-18 18:32:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:32:57,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-18 18:32:57,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 [2022-11-18 18:32:57,738 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-18 18:32:57,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2022-11-18 18:33:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:01,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 18:33:01,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:33:03,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-18 18:33:03,217 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-18 18:33:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-18 18:33:03,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:33:04,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1145734249] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 18:33:04,444 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:33:04,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2022-11-18 18:33:04,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789266234] [2022-11-18 18:33:04,444 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:33:04,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:33:04,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:33:04,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:33:04,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:33:04,446 INFO L87 Difference]: Start difference. First operand 1311 states and 1841 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 18:33:07,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:07,285 INFO L93 Difference]: Finished difference Result 1521 states and 2077 transitions. [2022-11-18 18:33:07,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:33:07,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 106 [2022-11-18 18:33:07,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:07,291 INFO L225 Difference]: With dead ends: 1521 [2022-11-18 18:33:07,291 INFO L226 Difference]: Without dead ends: 1521 [2022-11-18 18:33:07,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 295 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:33:07,292 INFO L413 NwaCegarLoop]: 816 mSDtfsCounter, 262 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1796 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:07,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1796 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-18 18:33:07,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2022-11-18 18:33:07,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1450. [2022-11-18 18:33:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1450 states, 956 states have (on average 1.6935146443514644) internal successors, (1619), 1146 states have internal predecessors, (1619), 220 states have call successors, (220), 100 states have call predecessors, (220), 101 states have return successors, (221), 217 states have call predecessors, (221), 220 states have call successors, (221) [2022-11-18 18:33:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1450 states and 2060 transitions. [2022-11-18 18:33:07,321 INFO L78 Accepts]: Start accepts. Automaton has 1450 states and 2060 transitions. Word has length 106 [2022-11-18 18:33:07,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:07,322 INFO L495 AbstractCegarLoop]: Abstraction has 1450 states and 2060 transitions. [2022-11-18 18:33:07,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-18 18:33:07,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2060 transitions. [2022-11-18 18:33:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-18 18:33:07,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:07,324 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:07,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2022-11-18 18:33:07,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-11-18 18:33:07,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/cvc4 --incremental --print-success --lang smt,38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:07,735 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:33:07,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:07,735 INFO L85 PathProgramCache]: Analyzing trace with hash 541867099, now seen corresponding path program 1 times [2022-11-18 18:33:07,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:33:07,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [428772281] [2022-11-18 18:33:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:07,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:07,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:33:07,737 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:33:07,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-18 18:33:10,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:10,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1052 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:33:10,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:33:10,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-18 18:33:10,621 WARN L859 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ bv0 1)) |c_#valid|))) is different from true [2022-11-18 18:33:10,635 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-18 18:33:12,704 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ BitVec 32))) (and (= (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31|) (_ bv0 1)) (= (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ bv0 1)) |c_#valid|))) (exists ((|v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31| (_ BitVec 32))) (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_zf_show_action_~#str~0#1.base_31|)))) is different from true [2022-11-18 18:33:12,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-18 18:33:14,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-18 18:33:16,973 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-18 18:33:19,084 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-11-18 18:33:19,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:33:19,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:33:19,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [428772281] [2022-11-18 18:33:19,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [428772281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:19,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:19,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:33:19,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513340687] [2022-11-18 18:33:19,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:19,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:33:19,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:33:19,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:33:19,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-18 18:33:19,086 INFO L87 Difference]: Start difference. First operand 1450 states and 2060 transitions. Second operand has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-11-18 18:33:21,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-18 18:33:21,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:21,987 INFO L93 Difference]: Finished difference Result 1459 states and 2066 transitions. [2022-11-18 18:33:21,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:33:21,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) Word has length 121 [2022-11-18 18:33:21,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:21,991 INFO L225 Difference]: With dead ends: 1459 [2022-11-18 18:33:21,992 INFO L226 Difference]: Without dead ends: 1457 [2022-11-18 18:33:21,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=11, Invalid=14, Unknown=3, NotChecked=14, Total=42 [2022-11-18 18:33:21,993 INFO L413 NwaCegarLoop]: 743 mSDtfsCounter, 2 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2338 SdHoareTripleChecker+Invalid, 2184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 1991 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:21,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2338 Invalid, 2184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 1 Unknown, 1991 Unchecked, 2.9s Time] [2022-11-18 18:33:21,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2022-11-18 18:33:22,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1457. [2022-11-18 18:33:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1457 states, 961 states have (on average 1.6888657648283039) internal successors, (1623), 1151 states have internal predecessors, (1623), 220 states have call successors, (220), 102 states have call predecessors, (220), 103 states have return successors, (221), 217 states have call predecessors, (221), 220 states have call successors, (221) [2022-11-18 18:33:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2064 transitions. [2022-11-18 18:33:22,041 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2064 transitions. Word has length 121 [2022-11-18 18:33:22,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:22,044 INFO L495 AbstractCegarLoop]: Abstraction has 1457 states and 2064 transitions. [2022-11-18 18:33:22,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.333333333333334) internal successors, (68), 7 states have internal predecessors, (68), 6 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 6 states have call successors, (10) [2022-11-18 18:33:22,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2064 transitions. [2022-11-18 18:33:22,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-18 18:33:22,046 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:22,047 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:22,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-18 18:33:22,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:22,271 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:33:22,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:22,271 INFO L85 PathProgramCache]: Analyzing trace with hash 968394777, now seen corresponding path program 1 times [2022-11-18 18:33:22,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:33:22,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983203793] [2022-11-18 18:33:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:22,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:22,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:33:22,273 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:33:22,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-18 18:33:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:23,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-18 18:33:23,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:33:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2022-11-18 18:33:23,911 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:33:23,911 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:33:23,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983203793] [2022-11-18 18:33:23,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983203793] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:23,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:23,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-18 18:33:23,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720935980] [2022-11-18 18:33:23,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:23,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-18 18:33:23,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:33:23,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-18 18:33:23,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-18 18:33:23,913 INFO L87 Difference]: Start difference. First operand 1457 states and 2064 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-18 18:33:24,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:24,440 INFO L93 Difference]: Finished difference Result 1326 states and 1853 transitions. [2022-11-18 18:33:24,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-18 18:33:24,442 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) Word has length 128 [2022-11-18 18:33:24,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:24,446 INFO L225 Difference]: With dead ends: 1326 [2022-11-18 18:33:24,446 INFO L226 Difference]: Without dead ends: 1311 [2022-11-18 18:33:24,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2022-11-18 18:33:24,447 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 28 mSDsluCounter, 7370 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 8110 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:24,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 8110 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-18 18:33:24,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2022-11-18 18:33:24,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1311. [2022-11-18 18:33:24,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 860 states have (on average 1.6906976744186046) internal successors, (1454), 1048 states have internal predecessors, (1454), 192 states have call successors, (192), 86 states have call predecessors, (192), 86 states have return successors, (192), 189 states have call predecessors, (192), 192 states have call successors, (192) [2022-11-18 18:33:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1838 transitions. [2022-11-18 18:33:24,473 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1838 transitions. Word has length 128 [2022-11-18 18:33:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:24,474 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1838 transitions. [2022-11-18 18:33:24,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 11 states have internal predecessors, (67), 3 states have call successors, (11), 2 states have call predecessors, (11), 4 states have return successors, (11), 5 states have call predecessors, (11), 3 states have call successors, (11) [2022-11-18 18:33:24,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1838 transitions. [2022-11-18 18:33:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-18 18:33:24,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:24,476 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:24,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-18 18:33:24,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:24,700 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:33:24,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:24,700 INFO L85 PathProgramCache]: Analyzing trace with hash 101747144, now seen corresponding path program 1 times [2022-11-18 18:33:24,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:33:24,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2145062622] [2022-11-18 18:33:24,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:24,702 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:24,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:33:24,704 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:33:24,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-18 18:33:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:26,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 1124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 18:33:26,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:33:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:33:26,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:33:26,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:33:26,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2145062622] [2022-11-18 18:33:26,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2145062622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:26,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:26,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 18:33:26,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228037843] [2022-11-18 18:33:26,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:26,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-18 18:33:26,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:33:26,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 18:33:26,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-18 18:33:26,234 INFO L87 Difference]: Start difference. First operand 1311 states and 1838 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:33:26,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:26,409 INFO L93 Difference]: Finished difference Result 1713 states and 2477 transitions. [2022-11-18 18:33:26,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:33:26,410 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 127 [2022-11-18 18:33:26,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:26,414 INFO L225 Difference]: With dead ends: 1713 [2022-11-18 18:33:26,414 INFO L226 Difference]: Without dead ends: 1713 [2022-11-18 18:33:26,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-11-18 18:33:26,415 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 764 mSDsluCounter, 4455 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 5585 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:26,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 5585 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:33:26,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-11-18 18:33:26,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1174. [2022-11-18 18:33:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 766 states have (on average 1.6866840731070496) internal successors, (1292), 952 states have internal predecessors, (1292), 164 states have call successors, (164), 71 states have call predecessors, (164), 71 states have return successors, (164), 162 states have call predecessors, (164), 164 states have call successors, (164) [2022-11-18 18:33:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1620 transitions. [2022-11-18 18:33:26,439 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1620 transitions. Word has length 127 [2022-11-18 18:33:26,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:26,439 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1620 transitions. [2022-11-18 18:33:26,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-18 18:33:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1620 transitions. [2022-11-18 18:33:26,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-18 18:33:26,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:26,441 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:26,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-18 18:33:26,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:26,654 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:33:26,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:26,655 INFO L85 PathProgramCache]: Analyzing trace with hash 514360856, now seen corresponding path program 1 times [2022-11-18 18:33:26,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:33:26,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315098403] [2022-11-18 18:33:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:26,656 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:26,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:33:26,657 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:33:26,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-11-18 18:33:28,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:33:28,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1167 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 18:33:28,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:33:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-18 18:33:28,133 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:33:28,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:33:28,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315098403] [2022-11-18 18:33:28,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315098403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:33:28,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:33:28,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:33:28,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243175835] [2022-11-18 18:33:28,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:33:28,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:33:28,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:33:28,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:33:28,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:33:28,135 INFO L87 Difference]: Start difference. First operand 1174 states and 1620 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:33:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:33:28,156 INFO L93 Difference]: Finished difference Result 1172 states and 1616 transitions. [2022-11-18 18:33:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 18:33:28,156 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 137 [2022-11-18 18:33:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:33:28,159 INFO L225 Difference]: With dead ends: 1172 [2022-11-18 18:33:28,159 INFO L226 Difference]: Without dead ends: 1172 [2022-11-18 18:33:28,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:33:28,160 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 0 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:33:28,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2230 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:33:28,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2022-11-18 18:33:28,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1172. [2022-11-18 18:33:28,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 765 states have (on average 1.6862745098039216) internal successors, (1290), 950 states have internal predecessors, (1290), 163 states have call successors, (163), 71 states have call predecessors, (163), 71 states have return successors, (163), 161 states have call predecessors, (163), 163 states have call successors, (163) [2022-11-18 18:33:28,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1616 transitions. [2022-11-18 18:33:28,180 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1616 transitions. Word has length 137 [2022-11-18 18:33:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:33:28,181 INFO L495 AbstractCegarLoop]: Abstraction has 1172 states and 1616 transitions. [2022-11-18 18:33:28,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-18 18:33:28,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1616 transitions. [2022-11-18 18:33:28,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-18 18:33:28,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:33:28,183 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:28,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2022-11-18 18:33:28,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:28,398 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2022-11-18 18:33:28,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:33:28,399 INFO L85 PathProgramCache]: Analyzing trace with hash -910021418, now seen corresponding path program 1 times [2022-11-18 18:33:28,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:33:28,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98989817] [2022-11-18 18:33:28,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:33:28,400 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:28,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:33:28,402 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 18:33:28,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-18 18:33:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:33:33,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:33:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:33:36,011 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-11-18 18:33:36,012 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:33:36,013 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK (204 of 205 remaining) [2022-11-18 18:33:36,016 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (203 of 205 remaining) [2022-11-18 18:33:36,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (202 of 205 remaining) [2022-11-18 18:33:36,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (201 of 205 remaining) [2022-11-18 18:33:36,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (200 of 205 remaining) [2022-11-18 18:33:36,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (199 of 205 remaining) [2022-11-18 18:33:36,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (198 of 205 remaining) [2022-11-18 18:33:36,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (197 of 205 remaining) [2022-11-18 18:33:36,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (196 of 205 remaining) [2022-11-18 18:33:36,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (195 of 205 remaining) [2022-11-18 18:33:36,018 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (194 of 205 remaining) [2022-11-18 18:33:36,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (193 of 205 remaining) [2022-11-18 18:33:36,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (192 of 205 remaining) [2022-11-18 18:33:36,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (191 of 205 remaining) [2022-11-18 18:33:36,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (190 of 205 remaining) [2022-11-18 18:33:36,019 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (189 of 205 remaining) [2022-11-18 18:33:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (188 of 205 remaining) [2022-11-18 18:33:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (187 of 205 remaining) [2022-11-18 18:33:36,020 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (186 of 205 remaining) [2022-11-18 18:33:36,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (185 of 205 remaining) [2022-11-18 18:33:36,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (184 of 205 remaining) [2022-11-18 18:33:36,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (183 of 205 remaining) [2022-11-18 18:33:36,021 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (182 of 205 remaining) [2022-11-18 18:33:36,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (181 of 205 remaining) [2022-11-18 18:33:36,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (180 of 205 remaining) [2022-11-18 18:33:36,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (179 of 205 remaining) [2022-11-18 18:33:36,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (178 of 205 remaining) [2022-11-18 18:33:36,022 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (177 of 205 remaining) [2022-11-18 18:33:36,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (176 of 205 remaining) [2022-11-18 18:33:36,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (175 of 205 remaining) [2022-11-18 18:33:36,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (174 of 205 remaining) [2022-11-18 18:33:36,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (173 of 205 remaining) [2022-11-18 18:33:36,023 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (172 of 205 remaining) [2022-11-18 18:33:36,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (171 of 205 remaining) [2022-11-18 18:33:36,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (170 of 205 remaining) [2022-11-18 18:33:36,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (169 of 205 remaining) [2022-11-18 18:33:36,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (168 of 205 remaining) [2022-11-18 18:33:36,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (167 of 205 remaining) [2022-11-18 18:33:36,024 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (166 of 205 remaining) [2022-11-18 18:33:36,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (165 of 205 remaining) [2022-11-18 18:33:36,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (164 of 205 remaining) [2022-11-18 18:33:36,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (163 of 205 remaining) [2022-11-18 18:33:36,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (162 of 205 remaining) [2022-11-18 18:33:36,025 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (161 of 205 remaining) [2022-11-18 18:33:36,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (160 of 205 remaining) [2022-11-18 18:33:36,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (159 of 205 remaining) [2022-11-18 18:33:36,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (158 of 205 remaining) [2022-11-18 18:33:36,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (157 of 205 remaining) [2022-11-18 18:33:36,026 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (156 of 205 remaining) [2022-11-18 18:33:36,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (155 of 205 remaining) [2022-11-18 18:33:36,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (154 of 205 remaining) [2022-11-18 18:33:36,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (153 of 205 remaining) [2022-11-18 18:33:36,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (152 of 205 remaining) [2022-11-18 18:33:36,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (151 of 205 remaining) [2022-11-18 18:33:36,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (150 of 205 remaining) [2022-11-18 18:33:36,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (149 of 205 remaining) [2022-11-18 18:33:36,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (148 of 205 remaining) [2022-11-18 18:33:36,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (147 of 205 remaining) [2022-11-18 18:33:36,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (146 of 205 remaining) [2022-11-18 18:33:36,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (145 of 205 remaining) [2022-11-18 18:33:36,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (144 of 205 remaining) [2022-11-18 18:33:36,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (143 of 205 remaining) [2022-11-18 18:33:36,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (142 of 205 remaining) [2022-11-18 18:33:36,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (141 of 205 remaining) [2022-11-18 18:33:36,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (140 of 205 remaining) [2022-11-18 18:33:36,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (139 of 205 remaining) [2022-11-18 18:33:36,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (138 of 205 remaining) [2022-11-18 18:33:36,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (137 of 205 remaining) [2022-11-18 18:33:36,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (136 of 205 remaining) [2022-11-18 18:33:36,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (135 of 205 remaining) [2022-11-18 18:33:36,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (134 of 205 remaining) [2022-11-18 18:33:36,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (133 of 205 remaining) [2022-11-18 18:33:36,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (132 of 205 remaining) [2022-11-18 18:33:36,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (131 of 205 remaining) [2022-11-18 18:33:36,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (130 of 205 remaining) [2022-11-18 18:33:36,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (129 of 205 remaining) [2022-11-18 18:33:36,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (128 of 205 remaining) [2022-11-18 18:33:36,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (127 of 205 remaining) [2022-11-18 18:33:36,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (126 of 205 remaining) [2022-11-18 18:33:36,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (125 of 205 remaining) [2022-11-18 18:33:36,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (124 of 205 remaining) [2022-11-18 18:33:36,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (123 of 205 remaining) [2022-11-18 18:33:36,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (122 of 205 remaining) [2022-11-18 18:33:36,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (121 of 205 remaining) [2022-11-18 18:33:36,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (120 of 205 remaining) [2022-11-18 18:33:36,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (119 of 205 remaining) [2022-11-18 18:33:36,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (118 of 205 remaining) [2022-11-18 18:33:36,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (117 of 205 remaining) [2022-11-18 18:33:36,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (116 of 205 remaining) [2022-11-18 18:33:36,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (115 of 205 remaining) [2022-11-18 18:33:36,034 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (114 of 205 remaining) [2022-11-18 18:33:36,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (113 of 205 remaining) [2022-11-18 18:33:36,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (112 of 205 remaining) [2022-11-18 18:33:36,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (111 of 205 remaining) [2022-11-18 18:33:36,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (110 of 205 remaining) [2022-11-18 18:33:36,035 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (109 of 205 remaining) [2022-11-18 18:33:36,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (108 of 205 remaining) [2022-11-18 18:33:36,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (107 of 205 remaining) [2022-11-18 18:33:36,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (106 of 205 remaining) [2022-11-18 18:33:36,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (105 of 205 remaining) [2022-11-18 18:33:36,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (104 of 205 remaining) [2022-11-18 18:33:36,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (103 of 205 remaining) [2022-11-18 18:33:36,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (102 of 205 remaining) [2022-11-18 18:33:36,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (101 of 205 remaining) [2022-11-18 18:33:36,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (100 of 205 remaining) [2022-11-18 18:33:36,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (99 of 205 remaining) [2022-11-18 18:33:36,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (98 of 205 remaining) [2022-11-18 18:33:36,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (97 of 205 remaining) [2022-11-18 18:33:36,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (96 of 205 remaining) [2022-11-18 18:33:36,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE (95 of 205 remaining) [2022-11-18 18:33:36,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATIONMEMORY_DEREFERENCE (94 of 205 remaining) [2022-11-18 18:33:36,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82REQUIRES_VIOLATIONMEMORY_DEREFERENCE (93 of 205 remaining) [2022-11-18 18:33:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83REQUIRES_VIOLATIONMEMORY_DEREFERENCE (92 of 205 remaining) [2022-11-18 18:33:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84REQUIRES_VIOLATIONMEMORY_DEREFERENCE (91 of 205 remaining) [2022-11-18 18:33:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85REQUIRES_VIOLATIONMEMORY_DEREFERENCE (90 of 205 remaining) [2022-11-18 18:33:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86REQUIRES_VIOLATIONMEMORY_DEREFERENCE (89 of 205 remaining) [2022-11-18 18:33:36,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87REQUIRES_VIOLATIONMEMORY_DEREFERENCE (88 of 205 remaining) [2022-11-18 18:33:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88REQUIRES_VIOLATIONMEMORY_DEREFERENCE (87 of 205 remaining) [2022-11-18 18:33:36,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89REQUIRES_VIOLATIONMEMORY_DEREFERENCE (86 of 205 remaining) [2022-11-18 18:33:36,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90REQUIRES_VIOLATIONMEMORY_DEREFERENCE (85 of 205 remaining) [2022-11-18 18:33:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91REQUIRES_VIOLATIONMEMORY_DEREFERENCE (84 of 205 remaining) [2022-11-18 18:33:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92REQUIRES_VIOLATIONMEMORY_DEREFERENCE (83 of 205 remaining) [2022-11-18 18:33:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93REQUIRES_VIOLATIONMEMORY_DEREFERENCE (82 of 205 remaining) [2022-11-18 18:33:36,042 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94REQUIRES_VIOLATIONMEMORY_DEREFERENCE (81 of 205 remaining) [2022-11-18 18:33:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 205 remaining) [2022-11-18 18:33:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 205 remaining) [2022-11-18 18:33:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 205 remaining) [2022-11-18 18:33:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 205 remaining) [2022-11-18 18:33:36,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 205 remaining) [2022-11-18 18:33:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 205 remaining) [2022-11-18 18:33:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 205 remaining) [2022-11-18 18:33:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 205 remaining) [2022-11-18 18:33:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 205 remaining) [2022-11-18 18:33:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 205 remaining) [2022-11-18 18:33:36,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 205 remaining) [2022-11-18 18:33:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 205 remaining) [2022-11-18 18:33:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 205 remaining) [2022-11-18 18:33:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 205 remaining) [2022-11-18 18:33:36,045 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 205 remaining) [2022-11-18 18:33:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 205 remaining) [2022-11-18 18:33:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 205 remaining) [2022-11-18 18:33:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 205 remaining) [2022-11-18 18:33:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 205 remaining) [2022-11-18 18:33:36,046 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 205 remaining) [2022-11-18 18:33:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 205 remaining) [2022-11-18 18:33:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 205 remaining) [2022-11-18 18:33:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 205 remaining) [2022-11-18 18:33:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 205 remaining) [2022-11-18 18:33:36,047 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 205 remaining) [2022-11-18 18:33:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 205 remaining) [2022-11-18 18:33:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 205 remaining) [2022-11-18 18:33:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 205 remaining) [2022-11-18 18:33:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 205 remaining) [2022-11-18 18:33:36,048 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 205 remaining) [2022-11-18 18:33:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 205 remaining) [2022-11-18 18:33:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 205 remaining) [2022-11-18 18:33:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 205 remaining) [2022-11-18 18:33:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 205 remaining) [2022-11-18 18:33:36,049 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 205 remaining) [2022-11-18 18:33:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 205 remaining) [2022-11-18 18:33:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 205 remaining) [2022-11-18 18:33:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 205 remaining) [2022-11-18 18:33:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 205 remaining) [2022-11-18 18:33:36,050 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 205 remaining) [2022-11-18 18:33:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 205 remaining) [2022-11-18 18:33:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 205 remaining) [2022-11-18 18:33:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr137REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 205 remaining) [2022-11-18 18:33:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr138REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 205 remaining) [2022-11-18 18:33:36,051 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr139REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 205 remaining) [2022-11-18 18:33:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr140REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 205 remaining) [2022-11-18 18:33:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr141REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 205 remaining) [2022-11-18 18:33:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr142REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 205 remaining) [2022-11-18 18:33:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr143REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 205 remaining) [2022-11-18 18:33:36,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr144REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 205 remaining) [2022-11-18 18:33:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr145REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 205 remaining) [2022-11-18 18:33:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr146REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 205 remaining) [2022-11-18 18:33:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr147REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 205 remaining) [2022-11-18 18:33:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr148REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 205 remaining) [2022-11-18 18:33:36,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr149REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 205 remaining) [2022-11-18 18:33:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr150REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 205 remaining) [2022-11-18 18:33:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr151REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 205 remaining) [2022-11-18 18:33:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr152REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 205 remaining) [2022-11-18 18:33:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr153REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 205 remaining) [2022-11-18 18:33:36,054 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr154REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 205 remaining) [2022-11-18 18:33:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr155REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 205 remaining) [2022-11-18 18:33:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr156REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 205 remaining) [2022-11-18 18:33:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr157REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 205 remaining) [2022-11-18 18:33:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr158REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 205 remaining) [2022-11-18 18:33:36,055 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr159REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 205 remaining) [2022-11-18 18:33:36,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr160REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 205 remaining) [2022-11-18 18:33:36,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr161REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 205 remaining) [2022-11-18 18:33:36,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr162REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 205 remaining) [2022-11-18 18:33:36,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr163REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 205 remaining) [2022-11-18 18:33:36,056 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 205 remaining) [2022-11-18 18:33:36,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 205 remaining) [2022-11-18 18:33:36,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 205 remaining) [2022-11-18 18:33:36,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 205 remaining) [2022-11-18 18:33:36,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 205 remaining) [2022-11-18 18:33:36,057 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 205 remaining) [2022-11-18 18:33:36,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 205 remaining) [2022-11-18 18:33:36,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 205 remaining) [2022-11-18 18:33:36,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 205 remaining) [2022-11-18 18:33:36,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 205 remaining) [2022-11-18 18:33:36,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 205 remaining) [2022-11-18 18:33:36,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (0 of 205 remaining) [2022-11-18 18:33:36,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-11-18 18:33:36,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 18:33:36,285 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:33:36,290 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:33:36,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:33:36 BoogieIcfgContainer [2022-11-18 18:33:36,580 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:33:36,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:33:36,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:33:36,581 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:33:36,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:26:29" (3/4) ... [2022-11-18 18:33:36,584 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:33:36,584 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:33:36,585 INFO L158 Benchmark]: Toolchain (without parser) took 437408.14ms. Allocated memory was 71.3MB in the beginning and 224.4MB in the end (delta: 153.1MB). Free memory was 49.3MB in the beginning and 83.5MB in the end (delta: -34.2MB). Peak memory consumption was 119.8MB. Max. memory is 16.1GB. [2022-11-18 18:33:36,585 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:33:36,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2465.54ms. Allocated memory was 71.3MB in the beginning and 119.5MB in the end (delta: 48.2MB). Free memory was 49.0MB in the beginning and 57.0MB in the end (delta: -8.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2022-11-18 18:33:36,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 228.99ms. Allocated memory is still 119.5MB. Free memory was 57.0MB in the beginning and 76.8MB in the end (delta: -19.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-11-18 18:33:36,586 INFO L158 Benchmark]: Boogie Preprocessor took 158.97ms. Allocated memory is still 119.5MB. Free memory was 76.8MB in the beginning and 68.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:33:36,586 INFO L158 Benchmark]: RCFGBuilder took 6996.94ms. Allocated memory was 119.5MB in the beginning and 224.4MB in the end (delta: 104.9MB). Free memory was 68.4MB in the beginning and 134.2MB in the end (delta: -65.8MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. [2022-11-18 18:33:36,586 INFO L158 Benchmark]: TraceAbstraction took 427541.97ms. Allocated memory is still 224.4MB. Free memory was 133.2MB in the beginning and 83.5MB in the end (delta: 49.7MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2022-11-18 18:33:36,587 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 224.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:33:36,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2465.54ms. Allocated memory was 71.3MB in the beginning and 119.5MB in the end (delta: 48.2MB). Free memory was 49.0MB in the beginning and 57.0MB in the end (delta: -8.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 228.99ms. Allocated memory is still 119.5MB. Free memory was 57.0MB in the beginning and 76.8MB in the end (delta: -19.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.97ms. Allocated memory is still 119.5MB. Free memory was 76.8MB in the beginning and 68.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6996.94ms. Allocated memory was 119.5MB in the beginning and 224.4MB in the end (delta: 104.9MB). Free memory was 68.4MB in the beginning and 134.2MB in the end (delta: -65.8MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB. * TraceAbstraction took 427541.97ms. Allocated memory is still 224.4MB. Free memory was 133.2MB in the beginning and 83.5MB in the end (delta: 49.7MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 224.4MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1848]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of large string literal at line 1803, overapproximation of memtrack at line 1848. Possible FailurePath: [L2641] struct ddv_timer timer_registered[1]; [L2597] struct ddv_pci_driver registered_pci_driver; [L32] void (* _ddv_module_exit)(void); [L3433] struct proc_dir_entry *proc_root_driver; [L2635] short number_timer_registered = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L2608] struct registered_irq registered_irq[16]; [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, }; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1488] static int action = 0; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L2449] short number_fixed_genhd_used = 0; [L3922] int ddv_ioport_request_start; [L1476] char _ddv_module_license[] = "GPL"; [L1497] static unsigned long next_heartbeat = 0; [L2661] spinlock_t kernel_lock; [L1478] static int nowayout = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L3347] request_queue_t fixed_request_queue[10]; [L1492] static unsigned long zf_is_open; [L2461] struct ddv_genhd genhd_registered[10]; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L3349] int number_request_queue_used = 0; [L1496] static struct timer_list zf_timer; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1495] static spinlock_t zf_port_lock; [L3923] int ddv_ioport_request_len; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1900] short number_cdev_registered = 0; [L2448] short number_genhd_registered = 0; [L1491] static int zf_action = 0x0800; [L2460] struct gendisk fixed_gendisk[10]; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L2618] short number_tasklet_registered = 0; [L3743] struct ddv_tty_driver global_tty_driver; [L2651] struct work_struct *shared_workqueue[10]; [L20] int current_execution_context; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1898] int fixed_cdev_used = 0; [L31] int (* _ddv_module_init)(void); [L1911] struct ddv_cdev cdev_registered[1]; [L232] unsigned long jiffies; [L1897] struct cdev fixed_cdev[1]; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; VAL [={-1:8}, ={-1:7}, ={0:0}, ={0:0}, action=0, cdev_registered={44:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1850] _ddv_module_init = zf_init [L1851] _ddv_module_exit = zf_exit [L1852] CALL call_ddv() [L2725] int err; [L2727] current_execution_context = 1 [L2729] CALL init_kernel() [L2665] int i; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2667] CALL spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4154] lock->init = 1 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4155] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={32:0}, lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2667] RET spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=3, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=4, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=5, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=6, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=7, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=8, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=9, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=10, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] COND TRUE i < 1 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2674] tasklet_registered[i].tasklet = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=1, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2729] RET init_kernel() [L2731] CALL, EXPR (* _ddv_module_init)() [L1776] int ret; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4481] return 0; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={20:0}, fmt={20:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n")=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1780] CALL, EXPR zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(port)=2, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, port=2, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1470] CALL, EXPR inw(0x21A) [L3962] return __VERIFIER_nondet_ushort(); [L1470] RET, EXPR inw(0x21A) [L1470] return inw(0x21A); [L1780] RET, EXPR zf_readw(0x02) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_readw(0x02)=-32768, zf_timer={37:0}] [L1780] ret = zf_readw(0x02) [L1781] COND FALSE !((!ret) || (ret == 0xffff)) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1786] COND TRUE (action <= 3) && (action >= 0) [L1787] zf_action = zf_action>>action VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1791] CALL zf_show_action(action) [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, str={126:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1771] EXPR str[act] VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, str={126:0}, str[act]={15:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1771] CALL printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={19:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4481] return 0; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={19:0}, fmt={19:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1771] RET printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act])=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, str={126:0}, str[act]={15:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1791] RET zf_show_action(action) [L1793] CALL spin_lock_init(&zf_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={41:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4154] lock->init = 1 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={41:0}, lock={41:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4155] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={41:0}, lock={41:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1793] RET spin_lock_init(&zf_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1794] CALL spin_lock_init(&zf_port_lock) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={39:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4154] lock->init = 1 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={39:0}, lock={39:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4155] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, lock={39:0}, lock={39:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1794] RET spin_lock_init(&zf_port_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1796] CALL, EXPR misc_register(&zf_miscdev) [L3493] int i; [L3494] dev_t dev; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=0, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3496] COND TRUE fixed_cdev_used < 1 [L3497] i = fixed_cdev_used [L3498] fixed_cdev_used++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3500] fixed_cdev[i].owner = ((struct module *) 0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3501] EXPR misc->fops VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, misc->fops={30:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3501] fixed_cdev[i].ops = misc->fops VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, misc->fops={30:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3503] EXPR misc->minor VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, misc->minor=130, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3503] dev = (((10) << 20) | (misc->minor)) [L3505] CALL, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3848] p->dev = dev VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3849] p->count = count VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3851] int return_value = __VERIFIER_nondet_int(); [L3852] CALL assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L10] COND FALSE !(!cond) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, cond=1, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3852] RET assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3854] COND TRUE return_value == 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3855] COND TRUE number_cdev_registered < 1 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3857] cdev_registered[number_cdev_registered].cdevp = p VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3858] cdev_registered[number_cdev_registered].inode.i_rdev = dev VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3859] cdev_registered[number_cdev_registered].inode.i_cdev = p VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3860] cdev_registered[number_cdev_registered].open = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, 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, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3862] number_cdev_registered++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3868] return return_value; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, \result=0, action=0, cdev_registered={44:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, p={45:0}, p={45:0}, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3505] RET, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_add(&fixed_cdev[i], dev, 0)=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3505] return cdev_add(&fixed_cdev[i], dev, 0); [L1796] RET, EXPR misc_register(&zf_miscdev) [L1796] ret = misc_register(&zf_miscdev) [L1797] COND FALSE !(\read(ret)) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1803] CALL, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(ddv_ioport_request_len)=0, \old(ddv_ioport_request_start)=0, \old(len)=3, \old(start)=536, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, name={23:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3927] unsigned int i; [L3928] struct resource *resource = (struct resource*)malloc(sizeof(struct resource)); [L3933] ddv_ioport_request_start = start [L3934] ddv_ioport_request_len = len [L3936] return resource; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(ddv_ioport_request_len)=0, \old(ddv_ioport_request_start)=0, \old(len)=3, \old(start)=536, \result={63:0}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, len=3, name={23:0}, name={23:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, resource={63:0}, shared_workqueue={43:0}, start=536, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1803] RET, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, request_region(0x218, 3, "MachZ ZFL WDT")={63:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1803] COND FALSE !(!request_region(0x218, 3, "MachZ ZFL WDT")) [L1810] CALL, EXPR register_reboot_notifier(&zf_notifier) [L4522] int i; [L4522] return i; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=-2147483648, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, dummy={46:0}, dummy={46:0}, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=2147483648, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1810] RET, EXPR register_reboot_notifier(&zf_notifier) [L1810] ret = register_reboot_notifier(&zf_notifier) [L1811] COND TRUE \read(ret) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1812-L1813] CALL printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={25:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4481] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, fmt={25:0}, fmt={25:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1812-L1813] RET printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, number_fixed_genhd_used=0, number_genhd_registered=0, number_request_queue_used=0, number_tasklet_registered=0, number_timer_registered=0, printk("<3>" "can't register reboot notifier (err=%d)\n", ret)=0, proc_root_driver={0:0}, registered_irq={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1828] CALL release_region(0x218, 3) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L3941] unsigned int i = 0; [L3947] ddv_ioport_request_start = 0 [L3948] ddv_ioport_request_len = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=0, jiffies=0, kernel_lock={32:0}, len=3, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, start=536, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1828] RET release_region(0x218, 3) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1830] CALL misc_deregister(&zf_miscdev) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, misc={31:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L4523] int i; [L4523] return i; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \result=49, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, i=49, jiffies=0, kernel_lock={32:0}, misc={31:0}, misc={31:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1830] RET misc_deregister(&zf_miscdev) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, misc_deregister(&zf_miscdev)=49, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1832] return ret; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L2731] RET, EXPR (* _ddv_module_init)() [L2731] err = (* _ddv_module_init)() [L2733] COND TRUE \read(err) [L2734] return -1; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=-1, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, err=2147483648, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] [L1852] RET call_ddv() [L1854] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={44:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={45:0}, fixed_cdev_used=1, fixed_gendisk={40:0}, fixed_request_queue={34:0}, genhd_registered={36:0}, global_tty_driver={42:0}, jiffies=0, kernel_lock={32:0}, next_heartbeat=0, nowayout=0, number_cdev_registered=1, 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={29:0}, registered_pci_driver={28:0}, shared_workqueue={43:0}, tasklet_registered={33:0}, timer_registered={27:0}, zf_action=2048, zf_expect_close=0, zf_fops={30:0}, zf_info={38:0}, zf_is_open={35:0}, zf_lock={41:0}, zf_miscdev={31:0}, zf_notifier={46:0}, zf_port_lock={39:0}, zf_timer={37:0}] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 668 locations, 205 error locations. Started 1 CEGAR loops. OverallTime: 427.2s, OverallIterations: 34, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 272.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 mSolverCounterUnknown, 23442 SdHoareTripleChecker+Valid, 264.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23274 mSDsluCounter, 97746 SdHoareTripleChecker+Invalid, 246.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1991 IncrementalHoareTripleChecker+Unchecked, 72759 mSDsCounter, 1234 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33600 IncrementalHoareTripleChecker+Invalid, 36882 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1234 mSolverCounterUnsat, 24987 mSDtfsCounter, 33600 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3769 GetRequests, 3499 SyntacticMatches, 12 SemanticMatches, 258 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 30.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1696occurred in iteration=17, InterpolantAutomatonStates: 214, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 33 MinimizatonAttempts, 4034 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.5s SsaConstructionTime, 49.8s SatisfiabilityAnalysisTime, 66.4s InterpolantComputationTime, 3209 NumberOfCodeBlocks, 3161 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 3338 ConstructedInterpolants, 88 QuantifiedInterpolants, 40524 SizeOfPredicates, 91 NumberOfNonLiveVariables, 34944 ConjunctsInSsa, 335 ConjunctsInUnsatCore, 49 InterpolantComputations, 21 PerfectInterpolantSequences, 5310/5954 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 18:33:36,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_221916a2-370e-422b-8190-37cdc164354e/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample