./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/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_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:28:19,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:28:19,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:28:19,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:28:19,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:28:19,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:28:19,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:28:19,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:28:19,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:28:19,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:28:19,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:28:19,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:28:19,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:28:19,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:28:19,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:28:19,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:28:19,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:28:19,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:28:19,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:28:19,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:28:19,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:28:19,115 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:28:19,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:28:19,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:28:19,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:28:19,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:28:19,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:28:19,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:28:19,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:28:19,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:28:19,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:28:19,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:28:19,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:28:19,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:28:19,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:28:19,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:28:19,132 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:28:19,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:28:19,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:28:19,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:28:19,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:28:19,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-06 20:28:19,151 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:28:19,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:28:19,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:28:19,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:28:19,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:28:19,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:28:19,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:28:19,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:28:19,153 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:28:19,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:28:19,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:28:19,153 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:28:19,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:28:19,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:28:19,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:28:19,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:28:19,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:28:19,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:28:19,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:28:19,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:28:19,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:28:19,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:28:19,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:28:19,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:28:19,156 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_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 [2021-12-06 20:28:19,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:28:19,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:28:19,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:28:19,335 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:28:19,336 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:28:19,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2021-12-06 20:28:19,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/4e1beb9ee/89e54d1719c64ff2b451585c243e541c/FLAG37f369e15 [2021-12-06 20:28:19,963 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:28:19,964 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2021-12-06 20:28:19,982 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/4e1beb9ee/89e54d1719c64ff2b451585c243e541c/FLAG37f369e15 [2021-12-06 20:28:20,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/4e1beb9ee/89e54d1719c64ff2b451585c243e541c [2021-12-06 20:28:20,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:28:20,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:28:20,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:28:20,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:28:20,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:28:20,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:28:20" (1/1) ... [2021-12-06 20:28:20,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a6079e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:20, skipping insertion in model container [2021-12-06 20:28:20,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:28:20" (1/1) ... [2021-12-06 20:28:20,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:28:20,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:28:20,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2021-12-06 20:28:21,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:28:21,412 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-12-06 20:28:21,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1dd0ffd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:21, skipping insertion in model container [2021-12-06 20:28:21,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:28:21,413 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-06 20:28:21,414 INFO L158 Benchmark]: Toolchain (without parser) took 1045.98ms. Allocated memory is still 90.2MB. Free memory was 60.2MB in the beginning and 60.8MB in the end (delta: -629.9kB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-12-06 20:28:21,415 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:28:21,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.42ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 60.8MB in the end (delta: -826.9kB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-12-06 20:28:21,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 42.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.42ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 60.8MB in the end (delta: -826.9kB). Peak memory consumption was 23.7MB. 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 where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/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_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa --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 --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:28:22,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:28:22,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:28:22,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:28:22,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:28:22,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:28:22,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:28:22,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:28:22,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:28:22,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:28:22,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:28:22,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:28:22,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:28:22,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:28:22,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:28:22,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:28:22,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:28:22,906 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:28:22,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:28:22,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:28:22,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:28:22,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:28:22,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:28:22,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:28:22,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:28:22,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:28:22,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:28:22,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:28:22,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:28:22,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:28:22,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:28:22,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:28:22,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:28:22,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:28:22,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:28:22,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:28:22,929 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:28:22,929 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:28:22,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:28:22,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:28:22,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:28:22,931 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-06 20:28:22,949 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:28:22,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:28:22,949 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:28:22,950 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:28:22,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:28:22,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:28:22,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:28:22,951 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:28:22,951 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:28:22,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:28:22,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:28:22,951 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 20:28:22,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:28:22,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:28:22,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:28:22,952 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 20:28:22,952 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 20:28:22,952 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 20:28:22,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:28:22,953 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 20:28:22,953 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 20:28:22,953 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 20:28:22,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:28:22,953 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:28:22,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:28:22,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:28:22,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:28:22,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:28:22,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:28:22,954 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:28:22,954 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 20:28:22,954 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 20:28:22,955 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:28:22,955 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 20:28:22,955 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_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 [2021-12-06 20:28:23,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:28:23,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:28:23,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:28:23,210 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:28:23,210 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:28:23,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2021-12-06 20:28:23,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/2b6ab6ca1/6bcbd3280b2b45b2b7684c3fccc312b1/FLAGe4305fe61 [2021-12-06 20:28:23,750 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:28:23,750 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2021-12-06 20:28:23,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/2b6ab6ca1/6bcbd3280b2b45b2b7684c3fccc312b1/FLAGe4305fe61 [2021-12-06 20:28:24,285 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/data/2b6ab6ca1/6bcbd3280b2b45b2b7684c3fccc312b1 [2021-12-06 20:28:24,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:28:24,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:28:24,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:28:24,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:28:24,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:28:24,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:28:24" (1/1) ... [2021-12-06 20:28:24,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a38fc5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:24, skipping insertion in model container [2021-12-06 20:28:24,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:28:24" (1/1) ... [2021-12-06 20:28:24,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:28:24,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:28:24,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2021-12-06 20:28:25,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:28:25,287 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 20:28:25,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:28:25,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2021-12-06 20:28:25,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:28:25,462 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:28:25,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2021-12-06 20:28:25,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:28:25,710 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:28:25,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25 WrapperNode [2021-12-06 20:28:25,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:28:25,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:28:25,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:28:25,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:28:25,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,838 INFO L137 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 970 [2021-12-06 20:28:25,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:28:25,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:28:25,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:28:25,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:28:25,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,916 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:28:25,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:28:25,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:28:25,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:28:25,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (1/1) ... [2021-12-06 20:28:25,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:28:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:28:25,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:28:25,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:28:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-06 20:28:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-06 20:28:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-06 20:28:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-06 20:28:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-06 20:28:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-06 20:28:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 20:28:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 20:28:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 20:28:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-06 20:28:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 20:28:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 20:28:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 20:28:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 20:28:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-06 20:28:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-06 20:28:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-06 20:28:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-06 20:28:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 20:28:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-06 20:28:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 20:28:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-06 20:28:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-06 20:28:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:28:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 20:28:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:28:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 20:28:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-06 20:28:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-06 20:28:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-06 20:28:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-06 20:28:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:28:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:28:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-06 20:28:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-06 20:28:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 20:28:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 20:28:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 20:28:26,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 20:28:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 20:28:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 20:28:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-06 20:28:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-06 20:28:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 20:28:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 20:28:26,020 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-06 20:28:26,020 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-06 20:28:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 20:28:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-06 20:28:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-06 20:28:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 20:28:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-06 20:28:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 20:28:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 20:28:26,021 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-06 20:28:26,021 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-06 20:28:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-06 20:28:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-06 20:28:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-06 20:28:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-06 20:28:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-06 20:28:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-06 20:28:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-06 20:28:26,022 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-06 20:28:26,022 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-06 20:28:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-06 20:28:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-06 20:28:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-06 20:28:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-06 20:28:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-06 20:28:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-06 20:28:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-06 20:28:26,023 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-06 20:28:26,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 20:28:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 20:28:26,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-06 20:28:26,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-06 20:28:26,247 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:28:26,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:28:30,607 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:28:30,616 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:28:30,616 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 20:28:30,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:28:30 BoogieIcfgContainer [2021-12-06 20:28:30,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:28:30,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:28:30,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:28:30,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:28:30,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:28:24" (1/3) ... [2021-12-06 20:28:30,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcef806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:28:30, skipping insertion in model container [2021-12-06 20:28:30,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:28:25" (2/3) ... [2021-12-06 20:28:30,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcef806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:28:30, skipping insertion in model container [2021-12-06 20:28:30,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:28:30" (3/3) ... [2021-12-06 20:28:30,624 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb_p.i [2021-12-06 20:28:30,628 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:28:30,628 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2021-12-06 20:28:30,660 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:28:30,665 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=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, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:28:30,666 INFO L340 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2021-12-06 20:28:30,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 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) [2021-12-06 20:28:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 20:28:30,692 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:28:30,693 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 20:28:30,693 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:28:30,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:28:30,697 INFO L85 PathProgramCache]: Analyzing trace with hash 333908101, now seen corresponding path program 1 times [2021-12-06 20:28:30,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:28:30,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061034941] [2021-12-06 20:28:30,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:28:30,709 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:28:30,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:28:30,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:28:30,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 20:28:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:28:31,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:28:31,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:28:31,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:28:31,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:28:31,088 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:28:31,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2061034941] [2021-12-06 20:28:31,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2061034941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:28:31,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:28:31,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:28:31,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445726258] [2021-12-06 20:28:31,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:28:31,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:28:31,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:28:31,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:28:31,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:28:31,116 INFO L87 Difference]: Start difference. First operand has 666 states, 356 states have (on average 1.8202247191011236) internal successors, (648), 566 states have internal predecessors, (648), 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) [2021-12-06 20:28:33,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:35,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:28:37,489 INFO L93 Difference]: Finished difference Result 1204 states and 1443 transitions. [2021-12-06 20:28:37,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:28:37,491 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 [2021-12-06 20:28:37,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:28:37,510 INFO L225 Difference]: With dead ends: 1204 [2021-12-06 20:28:37,510 INFO L226 Difference]: Without dead ends: 1200 [2021-12-06 20:28:37,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:28:37,514 INFO L933 BasicCegarLoop]: 759 mSDtfsCounter, 687 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2484 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:28:37,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [688 Valid, 2484 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1106 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2021-12-06 20:28:37,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2021-12-06 20:28:37,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 987. [2021-12-06 20:28:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 987 states, 594 states have (on average 1.803030303030303) internal successors, (1071), 814 states have internal predecessors, (1071), 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) [2021-12-06 20:28:37,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 987 states and 1347 transitions. [2021-12-06 20:28:37,592 INFO L78 Accepts]: Start accepts. Automaton has 987 states and 1347 transitions. Word has length 5 [2021-12-06 20:28:37,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:28:37,592 INFO L470 AbstractCegarLoop]: Abstraction has 987 states and 1347 transitions. [2021-12-06 20:28:37,592 INFO L471 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) [2021-12-06 20:28:37,592 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1347 transitions. [2021-12-06 20:28:37,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 20:28:37,593 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:28:37,593 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 20:28:37,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:28:37,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:28:37,794 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:28:37,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:28:37,794 INFO L85 PathProgramCache]: Analyzing trace with hash 333908102, now seen corresponding path program 1 times [2021-12-06 20:28:37,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:28:37,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120435660] [2021-12-06 20:28:37,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:28:37,795 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:28:37,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:28:37,796 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:28:37,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 20:28:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:28:38,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:28:38,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:28:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:28:38,161 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:28:38,161 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:28:38,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120435660] [2021-12-06 20:28:38,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120435660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:28:38,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:28:38,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:28:38,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189275522] [2021-12-06 20:28:38,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:28:38,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:28:38,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:28:38,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:28:38,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:28:38,164 INFO L87 Difference]: Start difference. First operand 987 states and 1347 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) [2021-12-06 20:28:40,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:42,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:44,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:28:44,517 INFO L93 Difference]: Finished difference Result 1119 states and 1439 transitions. [2021-12-06 20:28:44,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:28:44,517 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 [2021-12-06 20:28:44,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:28:44,524 INFO L225 Difference]: With dead ends: 1119 [2021-12-06 20:28:44,524 INFO L226 Difference]: Without dead ends: 1119 [2021-12-06 20:28:44,524 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:28:44,525 INFO L933 BasicCegarLoop]: 840 mSDtfsCounter, 268 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2630 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:28:44,526 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [269 Valid, 2630 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2021-12-06 20:28:44,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2021-12-06 20:28:44,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1060. [2021-12-06 20:28:44,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1060 states, 635 states have (on average 1.7653543307086614) internal successors, (1121), 856 states have internal predecessors, (1121), 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) [2021-12-06 20:28:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 1060 states and 1435 transitions. [2021-12-06 20:28:44,560 INFO L78 Accepts]: Start accepts. Automaton has 1060 states and 1435 transitions. Word has length 5 [2021-12-06 20:28:44,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:28:44,561 INFO L470 AbstractCegarLoop]: Abstraction has 1060 states and 1435 transitions. [2021-12-06 20:28:44,561 INFO L471 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) [2021-12-06 20:28:44,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1435 transitions. [2021-12-06 20:28:44,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 20:28:44,561 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:28:44,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:28:44,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 20:28:44,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:28:44,763 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:28:44,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:28:44,766 INFO L85 PathProgramCache]: Analyzing trace with hash -863937403, now seen corresponding path program 1 times [2021-12-06 20:28:44,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:28:44,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1902646907] [2021-12-06 20:28:44,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:28:44,769 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:28:44,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:28:44,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:28:44,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 20:28:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:28:45,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:28:45,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:28:45,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:28:45,124 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:28:45,124 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:28:45,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1902646907] [2021-12-06 20:28:45,124 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1902646907] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:28:45,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:28:45,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-06 20:28:45,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82705084] [2021-12-06 20:28:45,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:28:45,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:28:45,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:28:45,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:28:45,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:28:45,126 INFO L87 Difference]: Start difference. First operand 1060 states and 1435 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) [2021-12-06 20:28:46,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:28:46,372 INFO L93 Difference]: Finished difference Result 1266 states and 1522 transitions. [2021-12-06 20:28:46,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:28:46,373 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 [2021-12-06 20:28:46,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:28:46,378 INFO L225 Difference]: With dead ends: 1266 [2021-12-06 20:28:46,378 INFO L226 Difference]: Without dead ends: 1266 [2021-12-06 20:28:46,379 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:28:46,379 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 660 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:28:46,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [660 Valid, 1290 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 20:28:46,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2021-12-06 20:28:46,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 1059. [2021-12-06 20:28:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 635 states have (on average 1.75748031496063) internal successors, (1116), 855 states have internal predecessors, (1116), 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) [2021-12-06 20:28:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1430 transitions. [2021-12-06 20:28:46,418 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1430 transitions. Word has length 11 [2021-12-06 20:28:46,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:28:46,418 INFO L470 AbstractCegarLoop]: Abstraction has 1059 states and 1430 transitions. [2021-12-06 20:28:46,419 INFO L471 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) [2021-12-06 20:28:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1430 transitions. [2021-12-06 20:28:46,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-06 20:28:46,419 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:28:46,419 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:28:46,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 20:28:46,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:28:46,620 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:28:46,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:28:46,621 INFO L85 PathProgramCache]: Analyzing trace with hash -863937402, now seen corresponding path program 1 times [2021-12-06 20:28:46,621 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:28:46,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922340739] [2021-12-06 20:28:46,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:28:46,621 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:28:46,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:28:46,622 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:28:46,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 20:28:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:28:46,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:28:46,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:28:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:28:46,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:28:46,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:28:46,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [922340739] [2021-12-06 20:28:46,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [922340739] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:28:46,983 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:28:46,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:28:46,983 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655816688] [2021-12-06 20:28:46,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:28:46,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:28:46,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:28:46,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:28:46,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:28:46,984 INFO L87 Difference]: Start difference. First operand 1059 states and 1430 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) [2021-12-06 20:28:49,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:50,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:28:50,510 INFO L93 Difference]: Finished difference Result 1125 states and 1445 transitions. [2021-12-06 20:28:50,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:28:50,511 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 [2021-12-06 20:28:50,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:28:50,515 INFO L225 Difference]: With dead ends: 1125 [2021-12-06 20:28:50,516 INFO L226 Difference]: Without dead ends: 1125 [2021-12-06 20:28:50,516 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:28:50,516 INFO L933 BasicCegarLoop]: 837 mSDtfsCounter, 268 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:28:50,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 1514 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 410 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-12-06 20:28:50,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2021-12-06 20:28:50,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1062. [2021-12-06 20:28:50,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 638 states have (on average 1.7539184952978057) internal successors, (1119), 858 states have internal predecessors, (1119), 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) [2021-12-06 20:28:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1433 transitions. [2021-12-06 20:28:50,540 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1433 transitions. Word has length 11 [2021-12-06 20:28:50,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:28:50,541 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 1433 transitions. [2021-12-06 20:28:50,541 INFO L471 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) [2021-12-06 20:28:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1433 transitions. [2021-12-06 20:28:50,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-06 20:28:50,541 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:28:50,541 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:28:50,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 20:28:50,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:28:50,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:28:50,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:28:50,742 INFO L85 PathProgramCache]: Analyzing trace with hash -2114831441, now seen corresponding path program 1 times [2021-12-06 20:28:50,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:28:50,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619258489] [2021-12-06 20:28:50,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:28:50,743 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:28:50,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:28:50,744 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:28:50,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 20:28:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:28:51,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:28:51,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:28:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:28:51,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:28:51,468 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:28:51,468 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:28:51,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619258489] [2021-12-06 20:28:51,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1619258489] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:28:51,468 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:28:51,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2021-12-06 20:28:51,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971559028] [2021-12-06 20:28:51,469 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:28:51,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:28:51,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:28:51,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:28:51,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:28:51,469 INFO L87 Difference]: Start difference. First operand 1062 states and 1433 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) [2021-12-06 20:28:53,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:55,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:28:57,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:04,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:04,843 INFO L93 Difference]: Finished difference Result 1335 states and 1679 transitions. [2021-12-06 20:29:04,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:29:04,844 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 [2021-12-06 20:29:04,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:04,849 INFO L225 Difference]: With dead ends: 1335 [2021-12-06 20:29:04,849 INFO L226 Difference]: Without dead ends: 1335 [2021-12-06 20:29:04,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=64, Unknown=0, NotChecked=0, Total=110 [2021-12-06 20:29:04,850 INFO L933 BasicCegarLoop]: 838 mSDtfsCounter, 863 mSDsluCounter, 2512 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 125 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 3350 SdHoareTripleChecker+Invalid, 1675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:04,850 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [875 Valid, 3350 Invalid, 1675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 1547 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2021-12-06 20:29:04,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2021-12-06 20:29:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1209. [2021-12-06 20:29:04,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 742 states have (on average 1.7398921832884098) internal successors, (1291), 964 states have internal predecessors, (1291), 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) [2021-12-06 20:29:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1659 transitions. [2021-12-06 20:29:04,876 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1659 transitions. Word has length 14 [2021-12-06 20:29:04,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:04,876 INFO L470 AbstractCegarLoop]: Abstraction has 1209 states and 1659 transitions. [2021-12-06 20:29:04,876 INFO L471 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) [2021-12-06 20:29:04,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1659 transitions. [2021-12-06 20:29:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-06 20:29:04,877 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:04,877 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:04,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 20:29:05,077 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:29:05,077 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:29:05,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:05,078 INFO L85 PathProgramCache]: Analyzing trace with hash -846555216, now seen corresponding path program 1 times [2021-12-06 20:29:05,078 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:29:05,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1788376528] [2021-12-06 20:29:05,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:05,078 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:29:05,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:29:05,079 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:29:05,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 20:29:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:05,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:29:05,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:05,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:29:05,461 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:05,461 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:29:05,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1788376528] [2021-12-06 20:29:05,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1788376528] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:29:05,462 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:29:05,462 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-12-06 20:29:05,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287232302] [2021-12-06 20:29:05,462 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:29:05,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 20:29:05,462 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:29:05,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 20:29:05,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:29:05,463 INFO L87 Difference]: Start difference. First operand 1209 states and 1659 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) [2021-12-06 20:29:05,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:05,731 INFO L93 Difference]: Finished difference Result 1215 states and 1663 transitions. [2021-12-06 20:29:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:29:05,732 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 [2021-12-06 20:29:05,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:05,739 INFO L225 Difference]: With dead ends: 1215 [2021-12-06 20:29:05,739 INFO L226 Difference]: Without dead ends: 1215 [2021-12-06 20:29:05,739 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:29:05,740 INFO L933 BasicCegarLoop]: 785 mSDtfsCounter, 442 mSDsluCounter, 2810 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 474 SdHoareTripleChecker+Valid, 3595 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:05,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [474 Valid, 3595 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:29:05,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2021-12-06 20:29:05,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1214. [2021-12-06 20:29:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1214 states, 747 states have (on average 1.7336010709504686) internal successors, (1295), 969 states have internal predecessors, (1295), 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) [2021-12-06 20:29:05,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 1214 states and 1663 transitions. [2021-12-06 20:29:05,772 INFO L78 Accepts]: Start accepts. Automaton has 1214 states and 1663 transitions. Word has length 19 [2021-12-06 20:29:05,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:05,772 INFO L470 AbstractCegarLoop]: Abstraction has 1214 states and 1663 transitions. [2021-12-06 20:29:05,772 INFO L471 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) [2021-12-06 20:29:05,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1663 transitions. [2021-12-06 20:29:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-06 20:29:05,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:05,773 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:05,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 20:29:05,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:29:05,975 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:29:05,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:05,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1706941254, now seen corresponding path program 2 times [2021-12-06 20:29:05,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:29:05,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889944979] [2021-12-06 20:29:05,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:29:05,979 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:29:05,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:29:05,981 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:29:05,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 20:29:06,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-12-06 20:29:06,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:29:06,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:29:06,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:06,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:29:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:07,756 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:29:07,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1889944979] [2021-12-06 20:29:07,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1889944979] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:29:07,757 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:29:07,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 14 [2021-12-06 20:29:07,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875138906] [2021-12-06 20:29:07,757 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:29:07,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-12-06 20:29:07,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:29:07,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-06 20:29:07,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-12-06 20:29:07,758 INFO L87 Difference]: Start difference. First operand 1214 states and 1663 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) [2021-12-06 20:29:09,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:11,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:13,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:29,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:29,301 INFO L93 Difference]: Finished difference Result 1341 states and 1697 transitions. [2021-12-06 20:29:29,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-12-06 20:29:29,302 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 [2021-12-06 20:29:29,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:29,307 INFO L225 Difference]: With dead ends: 1341 [2021-12-06 20:29:29,307 INFO L226 Difference]: Without dead ends: 1341 [2021-12-06 20:29:29,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=243, Invalid=407, Unknown=0, NotChecked=0, Total=650 [2021-12-06 20:29:29,308 INFO L933 BasicCegarLoop]: 826 mSDtfsCounter, 1112 mSDsluCounter, 4369 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 202 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1124 SdHoareTripleChecker+Valid, 5195 SdHoareTripleChecker+Invalid, 2762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:29,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1124 Valid, 5195 Invalid, 2762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 2557 Invalid, 3 Unknown, 0 Unchecked, 19.7s Time] [2021-12-06 20:29:29,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2021-12-06 20:29:29,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 1227. [2021-12-06 20:29:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 760 states have (on average 1.725) internal successors, (1311), 982 states have internal predecessors, (1311), 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) [2021-12-06 20:29:29,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1679 transitions. [2021-12-06 20:29:29,332 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1679 transitions. Word has length 23 [2021-12-06 20:29:29,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:29,332 INFO L470 AbstractCegarLoop]: Abstraction has 1227 states and 1679 transitions. [2021-12-06 20:29:29,332 INFO L471 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) [2021-12-06 20:29:29,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1679 transitions. [2021-12-06 20:29:29,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 20:29:29,333 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:29,333 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:29,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 20:29:29,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:29:29,535 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:29:29,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:29,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1287411312, now seen corresponding path program 2 times [2021-12-06 20:29:29,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:29:29,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703939421] [2021-12-06 20:29:29,540 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:29:29,540 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:29:29,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:29:29,542 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:29:29,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 20:29:29,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:29:29,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:29:29,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:29:29,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-12-06 20:29:29,984 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:29:29,984 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:29:29,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703939421] [2021-12-06 20:29:29,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703939421] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:29,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:29:29,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-12-06 20:29:29,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577657044] [2021-12-06 20:29:29,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:29,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:29:29,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:29:29,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:29:29,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:29:29,985 INFO L87 Difference]: Start difference. First operand 1227 states and 1679 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) [2021-12-06 20:29:31,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:31,263 INFO L93 Difference]: Finished difference Result 1435 states and 1772 transitions. [2021-12-06 20:29:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:29:31,263 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 [2021-12-06 20:29:31,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:31,269 INFO L225 Difference]: With dead ends: 1435 [2021-12-06 20:29:31,269 INFO L226 Difference]: Without dead ends: 1435 [2021-12-06 20:29:31,269 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:29:31,269 INFO L933 BasicCegarLoop]: 743 mSDtfsCounter, 646 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:31,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 1288 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 20:29:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1435 states. [2021-12-06 20:29:31,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1435 to 1225. [2021-12-06 20:29:31,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 760 states have (on average 1.7131578947368422) internal successors, (1302), 980 states have internal predecessors, (1302), 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) [2021-12-06 20:29:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1670 transitions. [2021-12-06 20:29:31,292 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1670 transitions. Word has length 31 [2021-12-06 20:29:31,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:31,292 INFO L470 AbstractCegarLoop]: Abstraction has 1225 states and 1670 transitions. [2021-12-06 20:29:31,293 INFO L471 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) [2021-12-06 20:29:31,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1670 transitions. [2021-12-06 20:29:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-06 20:29:31,293 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:31,293 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:31,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 20:29:31,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:29:31,494 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:29:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:31,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1287411313, now seen corresponding path program 1 times [2021-12-06 20:29:31,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:29:31,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128777159] [2021-12-06 20:29:31,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:31,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:29:31,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:29:31,496 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:29:31,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 20:29:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:31,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:29:31,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:31,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:29:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:32,066 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:29:32,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128777159] [2021-12-06 20:29:32,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128777159] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:29:32,066 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:29:32,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-12-06 20:29:32,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126126241] [2021-12-06 20:29:32,067 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:29:32,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 20:29:32,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:29:32,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 20:29:32,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:29:32,068 INFO L87 Difference]: Start difference. First operand 1225 states and 1670 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) [2021-12-06 20:29:32,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:32,630 INFO L93 Difference]: Finished difference Result 1225 states and 1666 transitions. [2021-12-06 20:29:32,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 20:29:32,631 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 [2021-12-06 20:29:32,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:32,636 INFO L225 Difference]: With dead ends: 1225 [2021-12-06 20:29:32,636 INFO L226 Difference]: Without dead ends: 1225 [2021-12-06 20:29:32,636 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-12-06 20:29:32,637 INFO L933 BasicCegarLoop]: 783 mSDtfsCounter, 868 mSDsluCounter, 5466 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 6249 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:32,637 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [900 Valid, 6249 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-12-06 20:29:32,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2021-12-06 20:29:32,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2021-12-06 20:29:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 760 states have (on average 1.7078947368421054) internal successors, (1298), 980 states have internal predecessors, (1298), 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) [2021-12-06 20:29:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1666 transitions. [2021-12-06 20:29:32,658 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1666 transitions. Word has length 31 [2021-12-06 20:29:32,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:32,659 INFO L470 AbstractCegarLoop]: Abstraction has 1225 states and 1666 transitions. [2021-12-06 20:29:32,659 INFO L471 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) [2021-12-06 20:29:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1666 transitions. [2021-12-06 20:29:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-12-06 20:29:32,660 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:32,660 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:32,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-06 20:29:32,860 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:29:32,861 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:29:32,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:32,861 INFO L85 PathProgramCache]: Analyzing trace with hash 338189670, now seen corresponding path program 3 times [2021-12-06 20:29:32,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:29:32,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [936856090] [2021-12-06 20:29:32,863 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 20:29:32,863 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:29:32,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:29:32,864 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:29:32,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 20:29:34,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-12-06 20:29:34,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:29:34,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-06 20:29:34,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:34,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:29:37,334 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:37,334 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:29:37,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [936856090] [2021-12-06 20:29:37,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [936856090] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:29:37,334 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:29:37,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 26 [2021-12-06 20:29:37,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499644582] [2021-12-06 20:29:37,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:29:37,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-12-06 20:29:37,335 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:29:37,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-12-06 20:29:37,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=458, Unknown=0, NotChecked=0, Total=650 [2021-12-06 20:29:37,335 INFO L87 Difference]: Start difference. First operand 1225 states and 1666 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) [2021-12-06 20:29:39,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:41,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:43,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:45,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:47,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:49,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:51,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:29:53,415 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:26,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:30:26,475 INFO L93 Difference]: Finished difference Result 1574 states and 1894 transitions. [2021-12-06 20:30:26,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 20:30:26,476 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 [2021-12-06 20:30:26,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:30:26,482 INFO L225 Difference]: With dead ends: 1574 [2021-12-06 20:30:26,482 INFO L226 Difference]: Without dead ends: 1574 [2021-12-06 20:30:26,482 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=226, Invalid=530, Unknown=0, NotChecked=0, Total=756 [2021-12-06 20:30:26,482 INFO L933 BasicCegarLoop]: 752 mSDtfsCounter, 2005 mSDsluCounter, 8344 mSDsCounter, 0 mSdLazyCounter, 5799 mSolverCounterSat, 226 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 9096 SdHoareTripleChecker+Invalid, 6033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 5799 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:30:26,483 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2017 Valid, 9096 Invalid, 6033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 5799 Invalid, 8 Unknown, 0 Unchecked, 48.1s Time] [2021-12-06 20:30:26,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2021-12-06 20:30:26,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1223. [2021-12-06 20:30:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 759 states have (on average 1.7061923583662715) internal successors, (1295), 978 states have internal predecessors, (1295), 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) [2021-12-06 20:30:26,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1663 transitions. [2021-12-06 20:30:26,503 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1663 transitions. Word has length 41 [2021-12-06 20:30:26,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:30:26,503 INFO L470 AbstractCegarLoop]: Abstraction has 1223 states and 1663 transitions. [2021-12-06 20:30:26,503 INFO L471 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) [2021-12-06 20:30:26,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1663 transitions. [2021-12-06 20:30:26,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-12-06 20:30:26,504 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:30:26,504 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:30:26,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 20:30:26,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:30:26,706 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:30:26,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:30:26,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1417284303, now seen corresponding path program 2 times [2021-12-06 20:30:26,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:30:26,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536433104] [2021-12-06 20:30:26,710 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 20:30:26,710 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:30:26,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:30:26,712 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:30:26,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 20:30:27,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 20:30:27,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 20:30:27,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:30:27,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:27,310 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2021-12-06 20:30:27,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:30:27,310 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:30:27,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536433104] [2021-12-06 20:30:27,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536433104] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:30:27,310 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:30:27,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:30:27,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861378706] [2021-12-06 20:30:27,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:30:27,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:30:27,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:30:27,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:30:27,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:30:27,311 INFO L87 Difference]: Start difference. First operand 1223 states and 1663 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) [2021-12-06 20:30:29,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:30,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:30:30,885 INFO L93 Difference]: Finished difference Result 1279 states and 1675 transitions. [2021-12-06 20:30:30,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:30:30,885 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 [2021-12-06 20:30:30,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:30:30,890 INFO L225 Difference]: With dead ends: 1279 [2021-12-06 20:30:30,890 INFO L226 Difference]: Without dead ends: 1279 [2021-12-06 20:30:30,890 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:30:30,890 INFO L933 BasicCegarLoop]: 833 mSDtfsCounter, 237 mSDsluCounter, 665 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1498 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:30:30,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [237 Valid, 1498 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 404 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2021-12-06 20:30:30,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2021-12-06 20:30:30,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1221. [2021-12-06 20:30:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 759 states have (on average 1.7035573122529644) internal successors, (1293), 976 states have internal predecessors, (1293), 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) [2021-12-06 20:30:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1661 transitions. [2021-12-06 20:30:30,908 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1661 transitions. Word has length 43 [2021-12-06 20:30:30,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:30:30,908 INFO L470 AbstractCegarLoop]: Abstraction has 1221 states and 1661 transitions. [2021-12-06 20:30:30,908 INFO L471 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) [2021-12-06 20:30:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1661 transitions. [2021-12-06 20:30:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-06 20:30:30,909 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:30:30,909 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:30:30,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-06 20:30:31,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:30:31,111 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:30:31,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:30:31,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1129900010, now seen corresponding path program 1 times [2021-12-06 20:30:31,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:30:31,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832599921] [2021-12-06 20:30:31,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:31,115 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:30:31,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:30:31,117 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:30:31,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 20:30:32,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:32,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:30:32,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:32,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:30:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 20:30:32,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:30:32,144 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:30:32,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832599921] [2021-12-06 20:30:32,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832599921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:30:32,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:30:32,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:30:32,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899798194] [2021-12-06 20:30:32,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:30:32,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:30:32,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:30:32,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:30:32,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:30:32,145 INFO L87 Difference]: Start difference. First operand 1221 states and 1661 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) [2021-12-06 20:30:34,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:34,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:30:34,894 INFO L93 Difference]: Finished difference Result 1220 states and 1660 transitions. [2021-12-06 20:30:34,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:30:34,895 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 [2021-12-06 20:30:34,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:30:34,900 INFO L225 Difference]: With dead ends: 1220 [2021-12-06 20:30:34,900 INFO L226 Difference]: Without dead ends: 1220 [2021-12-06 20:30:34,900 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:30:34,900 INFO L933 BasicCegarLoop]: 787 mSDtfsCounter, 2 mSDsluCounter, 576 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1363 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:30:34,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1363 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 212 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-12-06 20:30:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2021-12-06 20:30:34,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1220. [2021-12-06 20:30:34,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1220 states, 759 states have (on average 1.702239789196311) internal successors, (1292), 975 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) [2021-12-06 20:30:34,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1660 transitions. [2021-12-06 20:30:34,918 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1660 transitions. Word has length 67 [2021-12-06 20:30:34,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:30:34,919 INFO L470 AbstractCegarLoop]: Abstraction has 1220 states and 1660 transitions. [2021-12-06 20:30:34,919 INFO L471 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) [2021-12-06 20:30:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1660 transitions. [2021-12-06 20:30:34,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-12-06 20:30:34,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:30:34,920 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:30:34,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-06 20:30:35,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:30:35,122 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:30:35,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:30:35,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1129900011, now seen corresponding path program 1 times [2021-12-06 20:30:35,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:30:35,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1156886909] [2021-12-06 20:30:35,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:35,126 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:30:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:30:35,128 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:30:35,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 20:30:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:35,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 764 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 20:30:35,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:35,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:30:35,857 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 20:30:35,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:30:35,858 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:30:35,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1156886909] [2021-12-06 20:30:35,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1156886909] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:30:35,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:30:35,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:30:35,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661955075] [2021-12-06 20:30:35,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:30:35,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:30:35,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:30:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:30:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:30:35,859 INFO L87 Difference]: Start difference. First operand 1220 states and 1660 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) [2021-12-06 20:30:37,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:39,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:30:39,020 INFO L93 Difference]: Finished difference Result 1219 states and 1658 transitions. [2021-12-06 20:30:39,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:30:39,021 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 [2021-12-06 20:30:39,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:30:39,025 INFO L225 Difference]: With dead ends: 1219 [2021-12-06 20:30:39,025 INFO L226 Difference]: Without dead ends: 1219 [2021-12-06 20:30:39,026 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:30:39,026 INFO L933 BasicCegarLoop]: 783 mSDtfsCounter, 749 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:30:39,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [749 Valid, 1362 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 210 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2021-12-06 20:30:39,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2021-12-06 20:30:39,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1219. [2021-12-06 20:30:39,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 759 states have (on average 1.699604743083004) internal successors, (1290), 974 states have internal predecessors, (1290), 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) [2021-12-06 20:30:39,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1658 transitions. [2021-12-06 20:30:39,049 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1658 transitions. Word has length 67 [2021-12-06 20:30:39,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:30:39,050 INFO L470 AbstractCegarLoop]: Abstraction has 1219 states and 1658 transitions. [2021-12-06 20:30:39,050 INFO L471 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) [2021-12-06 20:30:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1658 transitions. [2021-12-06 20:30:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-12-06 20:30:39,051 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:30:39,051 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:30:39,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-06 20:30:39,251 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:30:39,252 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:30:39,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:30:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash -366255816, now seen corresponding path program 1 times [2021-12-06 20:30:39,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:30:39,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723068300] [2021-12-06 20:30:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:39,253 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:30:39,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:30:39,254 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:30:39,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-06 20:30:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:39,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:30:39,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:39,740 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 20:30:39,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:30:39,740 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:30:39,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723068300] [2021-12-06 20:30:39,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723068300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:30:39,740 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:30:39,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:30:39,740 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156111398] [2021-12-06 20:30:39,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:30:39,741 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:30:39,741 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:30:39,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:30:39,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:30:39,741 INFO L87 Difference]: Start difference. First operand 1219 states and 1658 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) [2021-12-06 20:30:41,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:42,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:30:42,573 INFO L93 Difference]: Finished difference Result 1260 states and 1667 transitions. [2021-12-06 20:30:42,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:30:42,574 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 [2021-12-06 20:30:42,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:30:42,579 INFO L225 Difference]: With dead ends: 1260 [2021-12-06 20:30:42,579 INFO L226 Difference]: Without dead ends: 1248 [2021-12-06 20:30:42,579 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:30:42,580 INFO L933 BasicCegarLoop]: 775 mSDtfsCounter, 93 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:30:42,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 1323 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 258 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2021-12-06 20:30:42,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2021-12-06 20:30:42,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1215. [2021-12-06 20:30:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 757 states have (on average 1.7001321003963012) internal successors, (1287), 972 states have internal predecessors, (1287), 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) [2021-12-06 20:30:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1651 transitions. [2021-12-06 20:30:42,600 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1651 transitions. Word has length 74 [2021-12-06 20:30:42,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:30:42,600 INFO L470 AbstractCegarLoop]: Abstraction has 1215 states and 1651 transitions. [2021-12-06 20:30:42,600 INFO L471 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) [2021-12-06 20:30:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1651 transitions. [2021-12-06 20:30:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-06 20:30:42,601 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:30:42,601 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:30:42,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-06 20:30:42,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:30:42,802 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:30:42,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:30:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash -475870393, now seen corresponding path program 1 times [2021-12-06 20:30:42,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:30:42,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251264858] [2021-12-06 20:30:42,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:42,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:30:42,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:30:42,806 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:30:42,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-06 20:30:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:43,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:30:43,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:44,027 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 20:30:44,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 27 [2021-12-06 20:30:44,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 23 [2021-12-06 20:30:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 20:30:44,177 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:30:44,254 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:30:44,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251264858] [2021-12-06 20:30:44,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251264858] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:30:44,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1977473140] [2021-12-06 20:30:44,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:44,255 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:30:44,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:30:44,256 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:30:44,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2021-12-06 20:30:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:45,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 20:30:45,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:46,196 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-12-06 20:30:46,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 48 [2021-12-06 20:30:46,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 31 treesize of output 36 [2021-12-06 20:30:46,541 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 20:30:46,541 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:30:46,601 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1977473140] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:30:46,601 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:30:46,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-12-06 20:30:46,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130860488] [2021-12-06 20:30:46,602 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:30:46,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 20:30:46,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:30:46,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 20:30:46,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:30:46,603 INFO L87 Difference]: Start difference. First operand 1215 states and 1651 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) [2021-12-06 20:30:48,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:50,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:30:53,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:30:53,506 INFO L93 Difference]: Finished difference Result 1760 states and 2299 transitions. [2021-12-06 20:30:53,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:30:53,507 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 [2021-12-06 20:30:53,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:30:53,514 INFO L225 Difference]: With dead ends: 1760 [2021-12-06 20:30:53,514 INFO L226 Difference]: Without dead ends: 1760 [2021-12-06 20:30:53,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 143 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:30:53,519 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 752 mSDsluCounter, 3286 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 3986 SdHoareTripleChecker+Invalid, 1909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 372 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:30:53,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 3986 Invalid, 1909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1526 Invalid, 2 Unknown, 372 Unchecked, 6.8s Time] [2021-12-06 20:30:53,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2021-12-06 20:30:53,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1537. [2021-12-06 20:30:53,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1537 states, 995 states have (on average 1.7236180904522613) internal successors, (1715), 1221 states have internal predecessors, (1715), 242 states have call successors, (242), 104 states have call predecessors, (242), 103 states have return successors, (240), 226 states have call predecessors, (240), 240 states have call successors, (240) [2021-12-06 20:30:53,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 2197 transitions. [2021-12-06 20:30:53,542 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 2197 transitions. Word has length 76 [2021-12-06 20:30:53,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:30:53,542 INFO L470 AbstractCegarLoop]: Abstraction has 1537 states and 2197 transitions. [2021-12-06 20:30:53,542 INFO L471 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) [2021-12-06 20:30:53,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2197 transitions. [2021-12-06 20:30:53,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-12-06 20:30:53,543 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:30:53,543 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:30:53,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2021-12-06 20:30:53,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-12-06 20:30:53,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:30:53,945 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting spin_lock_initErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:30:53,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:30:53,947 INFO L85 PathProgramCache]: Analyzing trace with hash -475870392, now seen corresponding path program 1 times [2021-12-06 20:30:53,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:30:53,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527363433] [2021-12-06 20:30:53,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:53,950 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:30:53,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:30:53,951 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:30:53,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-06 20:30:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:54,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:30:54,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:30:55,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:30:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 20:30:55,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:30:56,010 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:30:56,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527363433] [2021-12-06 20:30:56,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527363433] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:30:56,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [63271603] [2021-12-06 20:30:56,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:30:56,011 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:30:56,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:30:56,011 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:30:56,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2021-12-06 20:30:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:30:57,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 792 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:30:57,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:30:58,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:30:58,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:30:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 20:30:58,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:31:00,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [63271603] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:31:00,675 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:31:00,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-12-06 20:31:00,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131382461] [2021-12-06 20:31:00,676 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:31:00,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:31:00,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:00,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:31:00,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:31:00,676 INFO L87 Difference]: Start difference. First operand 1537 states and 2197 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) [2021-12-06 20:31:02,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:04,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:09,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:31:09,063 INFO L93 Difference]: Finished difference Result 1960 states and 2522 transitions. [2021-12-06 20:31:09,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:31:09,064 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 [2021-12-06 20:31:09,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:31:09,071 INFO L225 Difference]: With dead ends: 1960 [2021-12-06 20:31:09,071 INFO L226 Difference]: Without dead ends: 1960 [2021-12-06 20:31:09,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 171 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:31:09,072 INFO L933 BasicCegarLoop]: 637 mSDtfsCounter, 994 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 1863 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 994 SdHoareTripleChecker+Valid, 2359 SdHoareTripleChecker+Invalid, 1884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1863 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:31:09,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [994 Valid, 2359 Invalid, 1884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1863 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2021-12-06 20:31:09,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1960 states. [2021-12-06 20:31:09,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1960 to 1714. [2021-12-06 20:31:09,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1714 states, 1130 states have (on average 1.7327433628318585) internal successors, (1958), 1352 states have internal predecessors, (1958), 269 states have call successors, (269), 119 states have call predecessors, (269), 118 states have return successors, (267), 258 states have call predecessors, (267), 267 states have call successors, (267) [2021-12-06 20:31:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1714 states to 1714 states and 2494 transitions. [2021-12-06 20:31:09,098 INFO L78 Accepts]: Start accepts. Automaton has 1714 states and 2494 transitions. Word has length 76 [2021-12-06 20:31:09,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:31:09,098 INFO L470 AbstractCegarLoop]: Abstraction has 1714 states and 2494 transitions. [2021-12-06 20:31:09,098 INFO L471 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) [2021-12-06 20:31:09,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2494 transitions. [2021-12-06 20:31:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-06 20:31:09,099 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:09,099 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:31:09,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2021-12-06 20:31:09,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-12-06 20:31:09,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:31:09,501 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting spin_lock_initErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:31:09,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:09,502 INFO L85 PathProgramCache]: Analyzing trace with hash 862802860, now seen corresponding path program 1 times [2021-12-06 20:31:09,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:31:09,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398298483] [2021-12-06 20:31:09,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:09,505 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:31:09,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:31:09,506 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:31:09,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-06 20:31:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:10,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:31:10,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:10,864 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 20:31:10,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 22 treesize of output 29 [2021-12-06 20:31:10,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 18 treesize of output 20 [2021-12-06 20:31:10,978 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-06 20:31:10,978 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:31:11,067 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:31:11,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398298483] [2021-12-06 20:31:11,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398298483] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:31:11,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1964790556] [2021-12-06 20:31:11,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:11,067 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:31:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:31:11,068 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:31:11,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2021-12-06 20:31:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:12,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-06 20:31:12,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:13,111 INFO L354 Elim1Store]: treesize reduction 30, result has 45.5 percent of original size [2021-12-06 20:31:13,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 34 treesize of output 51 [2021-12-06 20:31:13,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 32 treesize of output 37 [2021-12-06 20:31:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-06 20:31:13,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:31:13,395 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1964790556] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:31:13,395 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:31:13,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 8 [2021-12-06 20:31:13,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137960511] [2021-12-06 20:31:13,396 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:31:13,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 20:31:13,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:13,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 20:31:13,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-06 20:31:13,397 INFO L87 Difference]: Start difference. First operand 1714 states and 2494 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) [2021-12-06 20:31:15,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:17,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:19,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:22,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:31:22,292 INFO L93 Difference]: Finished difference Result 1889 states and 2506 transitions. [2021-12-06 20:31:22,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:31:22,292 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 [2021-12-06 20:31:22,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:31:22,299 INFO L225 Difference]: With dead ends: 1889 [2021-12-06 20:31:22,299 INFO L226 Difference]: Without dead ends: 1889 [2021-12-06 20:31:22,299 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 167 SyntacticMatches, 7 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-12-06 20:31:22,300 INFO L933 BasicCegarLoop]: 700 mSDtfsCounter, 1344 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 154 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 2746 SdHoareTripleChecker+Invalid, 1686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:31:22,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1345 Valid, 2746 Invalid, 1686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1529 Invalid, 3 Unknown, 0 Unchecked, 8.8s Time] [2021-12-06 20:31:22,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2021-12-06 20:31:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1712. [2021-12-06 20:31:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1130 states have (on average 1.7309734513274335) internal successors, (1956), 1350 states have internal predecessors, (1956), 269 states have call successors, (269), 119 states have call predecessors, (269), 118 states have return successors, (267), 258 states have call predecessors, (267), 267 states have call successors, (267) [2021-12-06 20:31:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2492 transitions. [2021-12-06 20:31:22,332 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2492 transitions. Word has length 82 [2021-12-06 20:31:22,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:31:22,332 INFO L470 AbstractCegarLoop]: Abstraction has 1712 states and 2492 transitions. [2021-12-06 20:31:22,332 INFO L471 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) [2021-12-06 20:31:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2492 transitions. [2021-12-06 20:31:22,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-12-06 20:31:22,333 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:22,333 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:31:22,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-12-06 20:31:22,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2021-12-06 20:31:22,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt [2021-12-06 20:31:22,735 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting spin_lock_initErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:31:22,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:22,737 INFO L85 PathProgramCache]: Analyzing trace with hash 862802861, now seen corresponding path program 1 times [2021-12-06 20:31:22,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:31:22,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956011013] [2021-12-06 20:31:22,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:22,740 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:31:22,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:31:22,741 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:31:22,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-06 20:31:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:23,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:31:23,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:24,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:31:24,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:31:24,436 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 20:31:24,437 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:31:26,905 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:31:26,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956011013] [2021-12-06 20:31:26,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956011013] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:31:26,905 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [639142885] [2021-12-06 20:31:26,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:26,905 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:31:26,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:31:26,906 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:31:26,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2021-12-06 20:31:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:28,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:31:28,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:29,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:31:29,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:31:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 20:31:29,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:31:29,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [639142885] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:31:29,744 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:31:29,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-12-06 20:31:29,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956386012] [2021-12-06 20:31:29,745 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:31:29,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:31:29,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:29,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:31:29,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:31:29,745 INFO L87 Difference]: Start difference. First operand 1712 states and 2492 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) [2021-12-06 20:31:31,765 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:33,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:31:37,957 INFO L93 Difference]: Finished difference Result 1956 states and 2518 transitions. [2021-12-06 20:31:37,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:31:37,958 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 [2021-12-06 20:31:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:31:37,965 INFO L225 Difference]: With dead ends: 1956 [2021-12-06 20:31:37,965 INFO L226 Difference]: Without dead ends: 1956 [2021-12-06 20:31:37,965 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 195 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:31:37,966 INFO L933 BasicCegarLoop]: 637 mSDtfsCounter, 1524 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 1643 mSolverCounterSat, 152 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 2069 SdHoareTripleChecker+Invalid, 1797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 1643 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:31:37,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1525 Valid, 2069 Invalid, 1797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 1643 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-12-06 20:31:37,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2021-12-06 20:31:37,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1710. [2021-12-06 20:31:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1710 states, 1130 states have (on average 1.7292035398230088) internal successors, (1954), 1348 states have internal predecessors, (1954), 269 states have call successors, (269), 119 states have call predecessors, (269), 118 states have return successors, (267), 258 states have call predecessors, (267), 267 states have call successors, (267) [2021-12-06 20:31:37,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2490 transitions. [2021-12-06 20:31:37,991 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2490 transitions. Word has length 82 [2021-12-06 20:31:37,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:31:37,991 INFO L470 AbstractCegarLoop]: Abstraction has 1710 states and 2490 transitions. [2021-12-06 20:31:37,991 INFO L471 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) [2021-12-06 20:31:37,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2490 transitions. [2021-12-06 20:31:37,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-06 20:31:37,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:37,997 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:31:38,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2021-12-06 20:31:38,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-12-06 20:31:38,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:31:38,399 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:31:38,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:38,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1028659715, now seen corresponding path program 1 times [2021-12-06 20:31:38,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:31:38,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737992167] [2021-12-06 20:31:38,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:38,403 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:31:38,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:31:38,404 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:31:38,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-06 20:31:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:38,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:31:38,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-12-06 20:31:38,924 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:31:38,924 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:31:38,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737992167] [2021-12-06 20:31:38,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737992167] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:31:38,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:31:38,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:31:38,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67914667] [2021-12-06 20:31:38,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:31:38,925 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:31:38,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:38,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:31:38,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:31:38,926 INFO L87 Difference]: Start difference. First operand 1710 states and 2490 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) [2021-12-06 20:31:38,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:31:38,965 INFO L93 Difference]: Finished difference Result 1339 states and 1888 transitions. [2021-12-06 20:31:38,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:31:38,965 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 [2021-12-06 20:31:38,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:31:38,970 INFO L225 Difference]: With dead ends: 1339 [2021-12-06 20:31:38,970 INFO L226 Difference]: Without dead ends: 1331 [2021-12-06 20:31:38,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:31:38,971 INFO L933 BasicCegarLoop]: 782 mSDtfsCounter, 3 mSDsluCounter, 2339 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 3121 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 [2021-12-06 20:31:38,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 3121 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:31:38,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2021-12-06 20:31:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1331. [2021-12-06 20:31:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1331 states, 861 states have (on average 1.7375145180023228) internal successors, (1496), 1067 states have internal predecessors, (1496), 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) [2021-12-06 20:31:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 1331 states and 1880 transitions. [2021-12-06 20:31:38,989 INFO L78 Accepts]: Start accepts. Automaton has 1331 states and 1880 transitions. Word has length 81 [2021-12-06 20:31:38,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:31:38,989 INFO L470 AbstractCegarLoop]: Abstraction has 1331 states and 1880 transitions. [2021-12-06 20:31:38,989 INFO L471 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) [2021-12-06 20:31:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1880 transitions. [2021-12-06 20:31:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-06 20:31:38,990 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:38,990 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:31:39,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-12-06 20:31:39,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:31:39,191 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:31:39,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash 838655585, now seen corresponding path program 1 times [2021-12-06 20:31:39,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:31:39,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627983277] [2021-12-06 20:31:39,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:39,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:31:39,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:31:39,194 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:31:39,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-06 20:31:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:40,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:31:40,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:40,724 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 20:31:40,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 28 [2021-12-06 20:31:40,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 21 [2021-12-06 20:31:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:31:40,885 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:31:40,885 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:31:40,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627983277] [2021-12-06 20:31:40,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627983277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:31:40,886 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:31:40,886 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:31:40,886 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388029827] [2021-12-06 20:31:40,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:31:40,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:31:40,886 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:40,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:31:40,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:31:40,887 INFO L87 Difference]: Start difference. First operand 1331 states and 1880 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) [2021-12-06 20:31:42,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:31:42,206 INFO L93 Difference]: Finished difference Result 1506 states and 1892 transitions. [2021-12-06 20:31:42,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:31:42,207 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 [2021-12-06 20:31:42,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:31:42,211 INFO L225 Difference]: With dead ends: 1506 [2021-12-06 20:31:42,211 INFO L226 Difference]: Without dead ends: 1506 [2021-12-06 20:31:42,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:31:42,212 INFO L933 BasicCegarLoop]: 701 mSDtfsCounter, 720 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 1580 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 359 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:31:42,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [720 Valid, 1580 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 374 Invalid, 0 Unknown, 359 Unchecked, 1.3s Time] [2021-12-06 20:31:42,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2021-12-06 20:31:42,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1329. [2021-12-06 20:31:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 861 states have (on average 1.735191637630662) internal successors, (1494), 1065 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) [2021-12-06 20:31:42,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1878 transitions. [2021-12-06 20:31:42,228 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1878 transitions. Word has length 88 [2021-12-06 20:31:42,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:31:42,228 INFO L470 AbstractCegarLoop]: Abstraction has 1329 states and 1878 transitions. [2021-12-06 20:31:42,229 INFO L471 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) [2021-12-06 20:31:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1878 transitions. [2021-12-06 20:31:42,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-06 20:31:42,229 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:42,229 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:31:42,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2021-12-06 20:31:42,429 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:31:42,430 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:31:42,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:42,430 INFO L85 PathProgramCache]: Analyzing trace with hash 838655586, now seen corresponding path program 1 times [2021-12-06 20:31:42,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:31:42,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492997222] [2021-12-06 20:31:42,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:42,431 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:31:42,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:31:42,432 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:31:42,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-06 20:31:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:43,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:31:43,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:44,226 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-12-06 20:31:44,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 14 [2021-12-06 20:31:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:31:44,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:31:44,443 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:31:44,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492997222] [2021-12-06 20:31:44,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492997222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:31:44,443 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:31:44,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:31:44,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315352892] [2021-12-06 20:31:44,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:31:44,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:31:44,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:44,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:31:44,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:31:44,444 INFO L87 Difference]: Start difference. First operand 1329 states and 1878 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-06 20:31:46,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:31:48,184 INFO L93 Difference]: Finished difference Result 1380 states and 1885 transitions. [2021-12-06 20:31:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:31:48,185 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), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 88 [2021-12-06 20:31:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:31:48,188 INFO L225 Difference]: With dead ends: 1380 [2021-12-06 20:31:48,189 INFO L226 Difference]: Without dead ends: 1380 [2021-12-06 20:31:48,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:31:48,189 INFO L933 BasicCegarLoop]: 766 mSDtfsCounter, 123 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:31:48,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 1857 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 516 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-12-06 20:31:48,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2021-12-06 20:31:48,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1327. [2021-12-06 20:31:48,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1327 states, 861 states have (on average 1.7317073170731707) internal successors, (1491), 1063 states have internal predecessors, (1491), 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) [2021-12-06 20:31:48,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1327 states and 1875 transitions. [2021-12-06 20:31:48,207 INFO L78 Accepts]: Start accepts. Automaton has 1327 states and 1875 transitions. Word has length 88 [2021-12-06 20:31:48,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:31:48,207 INFO L470 AbstractCegarLoop]: Abstraction has 1327 states and 1875 transitions. [2021-12-06 20:31:48,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2021-12-06 20:31:48,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1875 transitions. [2021-12-06 20:31:48,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 20:31:48,208 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:48,208 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:31:48,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-12-06 20:31:48,408 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:31:48,409 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:31:48,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:48,411 INFO L85 PathProgramCache]: Analyzing trace with hash 228519724, now seen corresponding path program 1 times [2021-12-06 20:31:48,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:31:48,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163375661] [2021-12-06 20:31:48,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:48,414 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:31:48,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:31:48,415 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:31:48,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-12-06 20:31:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:49,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 20:31:49,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:49,946 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 20:31:49,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 28 [2021-12-06 20:31:50,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 21 [2021-12-06 20:31:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:31:50,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:31:50,114 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:31:50,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163375661] [2021-12-06 20:31:50,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163375661] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:31:50,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:31:50,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:31:50,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509004175] [2021-12-06 20:31:50,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:31:50,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:31:50,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:50,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:31:50,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:31:50,116 INFO L87 Difference]: Start difference. First operand 1327 states and 1875 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) [2021-12-06 20:31:52,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:31:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:31:53,990 INFO L93 Difference]: Finished difference Result 1502 states and 1887 transitions. [2021-12-06 20:31:53,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:31:53,990 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 [2021-12-06 20:31:53,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:31:53,993 INFO L225 Difference]: With dead ends: 1502 [2021-12-06 20:31:53,993 INFO L226 Difference]: Without dead ends: 1502 [2021-12-06 20:31:53,993 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 3 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:31:53,993 INFO L933 BasicCegarLoop]: 671 mSDtfsCounter, 1079 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 59 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 2021 SdHoareTripleChecker+Invalid, 1138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 359 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:31:53,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1079 Valid, 2021 Invalid, 1138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 719 Invalid, 1 Unknown, 359 Unchecked, 3.8s Time] [2021-12-06 20:31:53,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2021-12-06 20:31:54,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1325. [2021-12-06 20:31:54,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1325 states, 861 states have (on average 1.7293844367015099) internal successors, (1489), 1061 states have internal predecessors, (1489), 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) [2021-12-06 20:31:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1873 transitions. [2021-12-06 20:31:54,008 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1873 transitions. Word has length 89 [2021-12-06 20:31:54,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:31:54,008 INFO L470 AbstractCegarLoop]: Abstraction has 1325 states and 1873 transitions. [2021-12-06 20:31:54,008 INFO L471 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) [2021-12-06 20:31:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1873 transitions. [2021-12-06 20:31:54,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 20:31:54,009 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:31:54,009 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:31:54,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2021-12-06 20:31:54,209 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:31:54,209 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:31:54,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:31:54,210 INFO L85 PathProgramCache]: Analyzing trace with hash 228519725, now seen corresponding path program 1 times [2021-12-06 20:31:54,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:31:54,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1058206575] [2021-12-06 20:31:54,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:54,210 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:31:54,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:31:54,211 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:31:54,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-12-06 20:31:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:55,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:31:55,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:55,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:31:55,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:31:56,137 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:31:56,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:31:56,569 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:31:56,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1058206575] [2021-12-06 20:31:56,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1058206575] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:31:56,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [502389468] [2021-12-06 20:31:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:31:56,570 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:31:56,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:31:56,570 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:31:56,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2021-12-06 20:31:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:31:58,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-06 20:31:58,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:31:59,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:31:59,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:31:59,368 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:31:59,368 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:31:59,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [502389468] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:31:59,708 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:31:59,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-12-06 20:31:59,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547464736] [2021-12-06 20:31:59,708 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:31:59,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:31:59,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:31:59,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:31:59,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:31:59,709 INFO L87 Difference]: Start difference. First operand 1325 states and 1873 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) [2021-12-06 20:32:01,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:05,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:32:05,051 INFO L93 Difference]: Finished difference Result 1569 states and 1899 transitions. [2021-12-06 20:32:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:32:05,052 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 [2021-12-06 20:32:05,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:32:05,054 INFO L225 Difference]: With dead ends: 1569 [2021-12-06 20:32:05,054 INFO L226 Difference]: Without dead ends: 1569 [2021-12-06 20:32:05,054 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 225 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 20:32:05,055 INFO L933 BasicCegarLoop]: 582 mSDtfsCounter, 1903 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 1039 mSolverCounterSat, 221 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1903 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 1261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 221 IncrementalHoareTripleChecker+Valid, 1039 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:32:05,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1903 Valid, 1585 Invalid, 1261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [221 Valid, 1039 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-12-06 20:32:05,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1569 states. [2021-12-06 20:32:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1569 to 1323. [2021-12-06 20:32:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1323 states, 861 states have (on average 1.727061556329849) internal successors, (1487), 1059 states have internal predecessors, (1487), 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) [2021-12-06 20:32:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 1323 states and 1871 transitions. [2021-12-06 20:32:05,069 INFO L78 Accepts]: Start accepts. Automaton has 1323 states and 1871 transitions. Word has length 89 [2021-12-06 20:32:05,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:32:05,069 INFO L470 AbstractCegarLoop]: Abstraction has 1323 states and 1871 transitions. [2021-12-06 20:32:05,070 INFO L471 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) [2021-12-06 20:32:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1871 transitions. [2021-12-06 20:32:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-06 20:32:05,070 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:32:05,070 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:32:05,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-12-06 20:32:05,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2021-12-06 20:32:05,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt [2021-12-06 20:32:05,472 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting cdev_addErr0REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:32:05,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:32:05,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1317347739, now seen corresponding path program 1 times [2021-12-06 20:32:05,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:32:05,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511796092] [2021-12-06 20:32:05,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:32:05,475 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:32:05,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:32:05,476 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:32:05,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-12-06 20:32:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:06,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:32:06,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:32:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:32:06,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:32:06,317 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:32:06,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511796092] [2021-12-06 20:32:06,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511796092] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:32:06,317 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:32:06,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:32:06,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954018089] [2021-12-06 20:32:06,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:32:06,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 20:32:06,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:32:06,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 20:32:06,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:32:06,318 INFO L87 Difference]: Start difference. First operand 1323 states and 1871 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) [2021-12-06 20:32:08,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:10,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:12,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:32:12,652 INFO L93 Difference]: Finished difference Result 1498 states and 1883 transitions. [2021-12-06 20:32:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:32:12,652 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 [2021-12-06 20:32:12,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:32:12,654 INFO L225 Difference]: With dead ends: 1498 [2021-12-06 20:32:12,654 INFO L226 Difference]: Without dead ends: 1498 [2021-12-06 20:32:12,655 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:32:12,655 INFO L933 BasicCegarLoop]: 695 mSDtfsCounter, 793 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 2200 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:32:12,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [794 Valid, 2200 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1094 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2021-12-06 20:32:12,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2021-12-06 20:32:12,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1321. [2021-12-06 20:32:12,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 861 states have (on average 1.7247386759581882) internal successors, (1485), 1057 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) [2021-12-06 20:32:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1869 transitions. [2021-12-06 20:32:12,669 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1869 transitions. Word has length 96 [2021-12-06 20:32:12,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:32:12,669 INFO L470 AbstractCegarLoop]: Abstraction has 1321 states and 1869 transitions. [2021-12-06 20:32:12,669 INFO L471 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) [2021-12-06 20:32:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1869 transitions. [2021-12-06 20:32:12,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-06 20:32:12,670 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:32:12,670 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:32:12,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-12-06 20:32:12,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:32:12,871 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting cdev_addErr1REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:32:12,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:32:12,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1317347738, now seen corresponding path program 1 times [2021-12-06 20:32:12,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:32:12,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [435218194] [2021-12-06 20:32:12,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:32:12,876 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:32:12,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:32:12,878 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:32:12,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-12-06 20:32:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:14,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 20:32:14,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:32:14,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:32:14,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:32:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:32:15,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:32:16,407 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:32:16,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [435218194] [2021-12-06 20:32:16,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [435218194] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:32:16,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2099146051] [2021-12-06 20:32:16,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:32:16,408 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:32:16,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:32:16,409 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:32:16,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2021-12-06 20:32:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:18,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 20:32:18,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:32:19,243 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-06 20:32:19,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:32:19,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:32:19,859 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 20:32:19,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 16 [2021-12-06 20:32:19,908 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:32:19,908 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:32:20,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 28 treesize of output 26 [2021-12-06 20:32:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:32:23,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2099146051] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 20:32:23,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:32:23,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2021-12-06 20:32:23,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205068789] [2021-12-06 20:32:23,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:32:23,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:32:23,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:32:23,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:32:23,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=282, Unknown=1, NotChecked=0, Total=342 [2021-12-06 20:32:23,946 INFO L87 Difference]: Start difference. First operand 1321 states and 1869 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) [2021-12-06 20:32:25,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:27,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:29,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:40,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:32:40,171 INFO L93 Difference]: Finished difference Result 1373 states and 1878 transitions. [2021-12-06 20:32:40,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:32:40,172 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 [2021-12-06 20:32:40,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:32:40,174 INFO L225 Difference]: With dead ends: 1373 [2021-12-06 20:32:40,174 INFO L226 Difference]: Without dead ends: 1373 [2021-12-06 20:32:40,174 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 302 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=63, Invalid=316, Unknown=1, NotChecked=0, Total=380 [2021-12-06 20:32:40,174 INFO L933 BasicCegarLoop]: 747 mSDtfsCounter, 335 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 1703 mSolverCounterSat, 22 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 3828 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1703 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:32:40,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 3828 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1703 Invalid, 3 Unknown, 0 Unchecked, 16.0s Time] [2021-12-06 20:32:40,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2021-12-06 20:32:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1320. [2021-12-06 20:32:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 861 states have (on average 1.7235772357723578) internal successors, (1484), 1056 states have internal predecessors, (1484), 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) [2021-12-06 20:32:40,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1868 transitions. [2021-12-06 20:32:40,188 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1868 transitions. Word has length 96 [2021-12-06 20:32:40,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:32:40,189 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 1868 transitions. [2021-12-06 20:32:40,189 INFO L471 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) [2021-12-06 20:32:40,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1868 transitions. [2021-12-06 20:32:40,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-12-06 20:32:40,189 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:32:40,189 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:32:40,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Ended with exit code 0 [2021-12-06 20:32:40,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2021-12-06 20:32:40,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt [2021-12-06 20:32:40,592 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting cdev_addErr3REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:32:40,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:32:40,593 INFO L85 PathProgramCache]: Analyzing trace with hash 2111894061, now seen corresponding path program 1 times [2021-12-06 20:32:40,595 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:32:40,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [255366662] [2021-12-06 20:32:40,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:32:40,596 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:32:40,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:32:40,598 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:32:40,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-12-06 20:32:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:42,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 13 conjunts are in the unsatisfiable core [2021-12-06 20:32:42,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:32:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:32:42,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:32:43,187 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:32:43,187 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:32:46,215 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:32:46,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [255366662] [2021-12-06 20:32:46,215 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [255366662] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:32:46,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1942447069] [2021-12-06 20:32:46,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:32:46,215 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:32:46,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:32:46,216 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:32:46,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2021-12-06 20:32:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:32:48,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 20:32:48,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:32:49,132 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-12-06 20:32:49,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:32:49,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:32:49,793 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-12-06 20:32:49,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 17 [2021-12-06 20:32:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:32:49,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:32:50,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 30 treesize of output 28 [2021-12-06 20:32:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:32:52,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1942447069] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 20:32:52,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:32:52,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 8] total 17 [2021-12-06 20:32:52,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629545537] [2021-12-06 20:32:52,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:32:52,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:32:52,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:32:52,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:32:52,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=282, Unknown=1, NotChecked=0, Total=342 [2021-12-06 20:32:52,001 INFO L87 Difference]: Start difference. First operand 1320 states and 1868 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) [2021-12-06 20:32:54,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:56,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:32:58,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:00,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:11,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:11,183 INFO L93 Difference]: Finished difference Result 1372 states and 1877 transitions. [2021-12-06 20:33:11,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:33:11,185 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 [2021-12-06 20:33:11,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:11,187 INFO L225 Difference]: With dead ends: 1372 [2021-12-06 20:33:11,187 INFO L226 Difference]: Without dead ends: 1372 [2021-12-06 20:33:11,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 306 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=63, Invalid=316, Unknown=1, NotChecked=0, Total=380 [2021-12-06 20:33:11,188 INFO L933 BasicCegarLoop]: 747 mSDtfsCounter, 219 mSDsluCounter, 3614 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 11 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 4361 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:11,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [230 Valid, 4361 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1922 Invalid, 4 Unknown, 0 Unchecked, 19.0s Time] [2021-12-06 20:33:11,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2021-12-06 20:33:11,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1319. [2021-12-06 20:33:11,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1319 states, 861 states have (on average 1.7224157955865274) internal successors, (1483), 1055 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) [2021-12-06 20:33:11,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1867 transitions. [2021-12-06 20:33:11,204 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1867 transitions. Word has length 97 [2021-12-06 20:33:11,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:11,205 INFO L470 AbstractCegarLoop]: Abstraction has 1319 states and 1867 transitions. [2021-12-06 20:33:11,205 INFO L471 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) [2021-12-06 20:33:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1867 transitions. [2021-12-06 20:33:11,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 20:33:11,205 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:11,205 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:33:11,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2021-12-06 20:33:11,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2021-12-06 20:33:11,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:11,606 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting cdev_addErr4REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:33:11,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:11,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1542682259, now seen corresponding path program 1 times [2021-12-06 20:33:11,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:33:11,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677322184] [2021-12-06 20:33:11,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:11,607 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:33:11,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:33:11,608 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:33:11,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-12-06 20:33:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:13,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:33:13,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:13,514 INFO L354 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2021-12-06 20:33:13,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 20 treesize of output 27 [2021-12-06 20:33:13,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 17 treesize of output 19 [2021-12-06 20:33:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:33:13,724 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:33:13,724 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:33:13,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1677322184] [2021-12-06 20:33:13,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1677322184] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:13,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:13,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 20:33:13,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033108768] [2021-12-06 20:33:13,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:13,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:33:13,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:33:13,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:33:13,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:33:13,726 INFO L87 Difference]: Start difference. First operand 1319 states and 1867 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) [2021-12-06 20:33:15,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:17,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:17,874 INFO L93 Difference]: Finished difference Result 1476 states and 1861 transitions. [2021-12-06 20:33:17,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:33:17,875 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 [2021-12-06 20:33:17,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:17,877 INFO L225 Difference]: With dead ends: 1476 [2021-12-06 20:33:17,877 INFO L226 Difference]: Without dead ends: 1476 [2021-12-06 20:33:17,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 100 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:33:17,877 INFO L933 BasicCegarLoop]: 691 mSDtfsCounter, 673 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:17,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [673 Valid, 1527 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 740 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-12-06 20:33:17,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2021-12-06 20:33:17,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1315. [2021-12-06 20:33:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1315 states, 861 states have (on average 1.6991869918699187) internal successors, (1463), 1051 states have internal predecessors, (1463), 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) [2021-12-06 20:33:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1847 transitions. [2021-12-06 20:33:17,893 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1847 transitions. Word has length 106 [2021-12-06 20:33:17,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:17,893 INFO L470 AbstractCegarLoop]: Abstraction has 1315 states and 1847 transitions. [2021-12-06 20:33:17,894 INFO L471 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) [2021-12-06 20:33:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1847 transitions. [2021-12-06 20:33:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 20:33:17,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:17,894 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:33:17,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-12-06 20:33:18,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:18,095 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting cdev_addErr5REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:33:18,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:18,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1542682258, now seen corresponding path program 1 times [2021-12-06 20:33:18,099 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:33:18,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778980358] [2021-12-06 20:33:18,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:18,100 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:33:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:33:18,101 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:33:18,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-12-06 20:33:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:19,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:33:19,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:20,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:33:20,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:33:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:33:20,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:33:21,696 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:33:21,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778980358] [2021-12-06 20:33:21,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778980358] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:33:21,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [650913389] [2021-12-06 20:33:21,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:21,697 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-12-06 20:33:21,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 [2021-12-06 20:33:21,697 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-12-06 20:33:21,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2021-12-06 20:33:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:24,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 20:33:24,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 20:33:25,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:33:25,387 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-12-06 20:33:25,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:33:26,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [650913389] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:33:26,120 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:33:26,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2] total 2 [2021-12-06 20:33:26,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539956542] [2021-12-06 20:33:26,120 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:33:26,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:33:26,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:33:26,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:33:26,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:33:26,121 INFO L87 Difference]: Start difference. First operand 1315 states and 1847 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) [2021-12-06 20:33:27,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:27,948 INFO L93 Difference]: Finished difference Result 1525 states and 2083 transitions. [2021-12-06 20:33:27,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:33:27,948 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 [2021-12-06 20:33:27,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:27,952 INFO L225 Difference]: With dead ends: 1525 [2021-12-06 20:33:27,952 INFO L226 Difference]: Without dead ends: 1525 [2021-12-06 20:33:27,952 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:33:27,953 INFO L933 BasicCegarLoop]: 819 mSDtfsCounter, 266 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1425 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:27,953 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 1425 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-12-06 20:33:27,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2021-12-06 20:33:27,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1454. [2021-12-06 20:33:27,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 960 states have (on average 1.6927083333333333) internal successors, (1625), 1148 states have internal predecessors, (1625), 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) [2021-12-06 20:33:27,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 2066 transitions. [2021-12-06 20:33:27,983 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 2066 transitions. Word has length 106 [2021-12-06 20:33:27,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:27,984 INFO L470 AbstractCegarLoop]: Abstraction has 1454 states and 2066 transitions. [2021-12-06 20:33:27,984 INFO L471 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) [2021-12-06 20:33:27,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2066 transitions. [2021-12-06 20:33:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-06 20:33:27,985 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:27,985 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:33:28,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2021-12-06 20:33:28,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-12-06 20:33:28,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/cvc4 --incremental --print-success --lang smt,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:28,386 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:33:28,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:28,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1807226178, now seen corresponding path program 1 times [2021-12-06 20:33:28,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:33:28,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359349926] [2021-12-06 20:33:28,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:28,388 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:33:28,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:33:28,389 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:33:28,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2021-12-06 20:33:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:30,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:33:30,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:30,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:33:32,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 14 treesize of output 11 [2021-12-06 20:33:34,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:33:34,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 [2021-12-06 20:33:36,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 12 [2021-12-06 20:33:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2021-12-06 20:33:36,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:33:36,763 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:33:36,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359349926] [2021-12-06 20:33:36,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359349926] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:36,763 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:36,763 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 20:33:36,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129078047] [2021-12-06 20:33:36,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:36,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:33:36,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:33:36,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:33:36,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2021-12-06 20:33:36,764 INFO L87 Difference]: Start difference. First operand 1454 states and 2066 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2021-12-06 20:33:38,785 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 20:33:39,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:39,445 INFO L93 Difference]: Finished difference Result 1478 states and 2099 transitions. [2021-12-06 20:33:39,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:33:39,445 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 121 [2021-12-06 20:33:39,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:39,449 INFO L225 Difference]: With dead ends: 1478 [2021-12-06 20:33:39,449 INFO L226 Difference]: Without dead ends: 1476 [2021-12-06 20:33:39,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2021-12-06 20:33:39,450 INFO L933 BasicCegarLoop]: 754 mSDtfsCounter, 81 mSDsluCounter, 1600 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 2354 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 452 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:39,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 2354 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 190 Invalid, 1 Unknown, 452 Unchecked, 2.7s Time] [2021-12-06 20:33:39,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2021-12-06 20:33:39,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 1461. [2021-12-06 20:33:39,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 965 states have (on average 1.688082901554404) internal successors, (1629), 1153 states have internal predecessors, (1629), 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) [2021-12-06 20:33:39,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2070 transitions. [2021-12-06 20:33:39,473 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2070 transitions. Word has length 121 [2021-12-06 20:33:39,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:39,473 INFO L470 AbstractCegarLoop]: Abstraction has 1461 states and 2070 transitions. [2021-12-06 20:33:39,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 5 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2021-12-06 20:33:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2070 transitions. [2021-12-06 20:33:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 20:33:39,474 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:39,474 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:33:39,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (38)] Ended with exit code 0 [2021-12-06 20:33:39,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:39,675 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:33:39,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:39,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1016230897, now seen corresponding path program 1 times [2021-12-06 20:33:39,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:33:39,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1596280676] [2021-12-06 20:33:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:39,676 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:33:39,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:33:39,677 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:33:39,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2021-12-06 20:33:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:40,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1103 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:33:40,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:33:40,602 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:33:40,602 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:33:40,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1596280676] [2021-12-06 20:33:40,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1596280676] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:40,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:40,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 20:33:40,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064560315] [2021-12-06 20:33:40,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:40,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 20:33:40,602 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:33:40,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 20:33:40,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:33:40,603 INFO L87 Difference]: Start difference. First operand 1461 states and 2070 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) [2021-12-06 20:33:40,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:40,717 INFO L93 Difference]: Finished difference Result 2977 states and 4470 transitions. [2021-12-06 20:33:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 20:33:40,718 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 [2021-12-06 20:33:40,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:40,726 INFO L225 Difference]: With dead ends: 2977 [2021-12-06 20:33:40,726 INFO L226 Difference]: Without dead ends: 2977 [2021-12-06 20:33:40,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:33:40,727 INFO L933 BasicCegarLoop]: 1959 mSDtfsCounter, 763 mSDsluCounter, 8191 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 803 SdHoareTripleChecker+Valid, 10150 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:40,727 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [803 Valid, 10150 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:33:40,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2977 states. [2021-12-06 20:33:40,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2977 to 1324. [2021-12-06 20:33:40,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1324 states, 871 states have (on average 1.6842709529276694) internal successors, (1467), 1057 states have internal predecessors, (1467), 192 states have call successors, (192), 87 states have call predecessors, (192), 88 states have return successors, (193), 190 states have call predecessors, (193), 192 states have call successors, (193) [2021-12-06 20:33:40,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1852 transitions. [2021-12-06 20:33:40,750 INFO L78 Accepts]: Start accepts. Automaton has 1324 states and 1852 transitions. Word has length 127 [2021-12-06 20:33:40,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:40,750 INFO L470 AbstractCegarLoop]: Abstraction has 1324 states and 1852 transitions. [2021-12-06 20:33:40,750 INFO L471 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) [2021-12-06 20:33:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 1852 transitions. [2021-12-06 20:33:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-06 20:33:40,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:40,751 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:33:40,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (39)] Ended with exit code 0 [2021-12-06 20:33:40,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:40,952 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr114REQUIRES_VIOLATION === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:33:40,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:40,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2002999623, now seen corresponding path program 1 times [2021-12-06 20:33:40,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:33:40,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243888010] [2021-12-06 20:33:40,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:40,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:33:40,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:33:40,959 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:33:40,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2021-12-06 20:33:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:41,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 20:33:41,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:41,936 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2021-12-06 20:33:41,936 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:33:41,936 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:33:41,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243888010] [2021-12-06 20:33:41,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243888010] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:41,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:41,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 20:33:41,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069250729] [2021-12-06 20:33:41,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:41,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 20:33:41,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:33:41,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 20:33:41,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:33:41,937 INFO L87 Difference]: Start difference. First operand 1324 states and 1852 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) [2021-12-06 20:33:42,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:42,196 INFO L93 Difference]: Finished difference Result 1193 states and 1641 transitions. [2021-12-06 20:33:42,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 20:33:42,196 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 [2021-12-06 20:33:42,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:42,198 INFO L225 Difference]: With dead ends: 1193 [2021-12-06 20:33:42,198 INFO L226 Difference]: Without dead ends: 1178 [2021-12-06 20:33:42,198 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2021-12-06 20:33:42,199 INFO L933 BasicCegarLoop]: 742 mSDtfsCounter, 26 mSDsluCounter, 8123 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 8865 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:42,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 8865 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:33:42,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2021-12-06 20:33:42,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1178. [2021-12-06 20:33:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 770 states have (on average 1.6857142857142857) internal successors, (1298), 954 states have internal predecessors, (1298), 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) [2021-12-06 20:33:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1626 transitions. [2021-12-06 20:33:42,213 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1626 transitions. Word has length 128 [2021-12-06 20:33:42,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:42,213 INFO L470 AbstractCegarLoop]: Abstraction has 1178 states and 1626 transitions. [2021-12-06 20:33:42,213 INFO L471 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) [2021-12-06 20:33:42,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1626 transitions. [2021-12-06 20:33:42,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-12-06 20:33:42,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:42,214 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:33:42,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (40)] Ended with exit code 0 [2021-12-06 20:33:42,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:42,414 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:33:42,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:42,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1231645919, now seen corresponding path program 1 times [2021-12-06 20:33:42,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:33:42,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574416597] [2021-12-06 20:33:42,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:42,416 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:33:42,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:33:42,416 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:33:42,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2021-12-06 20:33:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:33:43,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 1146 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 20:33:43,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:33:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2021-12-06 20:33:43,355 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:33:43,355 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:33:43,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574416597] [2021-12-06 20:33:43,355 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574416597] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:33:43,355 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:33:43,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 20:33:43,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761520658] [2021-12-06 20:33:43,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:33:43,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:33:43,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:33:43,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:33:43,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:33:43,356 INFO L87 Difference]: Start difference. First operand 1178 states and 1626 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) [2021-12-06 20:33:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:33:43,371 INFO L93 Difference]: Finished difference Result 1176 states and 1622 transitions. [2021-12-06 20:33:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:33:43,372 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 [2021-12-06 20:33:43,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:33:43,374 INFO L225 Difference]: With dead ends: 1176 [2021-12-06 20:33:43,374 INFO L226 Difference]: Without dead ends: 1176 [2021-12-06 20:33:43,374 INFO L932 BasicCegarLoop]: 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 [2021-12-06 20:33:43,374 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 0 mSDsluCounter, 1492 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:33:43,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 2240 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:33:43,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2021-12-06 20:33:43,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1176. [2021-12-06 20:33:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 769 states have (on average 1.6853055916775033) internal successors, (1296), 952 states have internal predecessors, (1296), 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) [2021-12-06 20:33:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1622 transitions. [2021-12-06 20:33:43,386 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1622 transitions. Word has length 137 [2021-12-06 20:33:43,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:33:43,386 INFO L470 AbstractCegarLoop]: Abstraction has 1176 states and 1622 transitions. [2021-12-06 20:33:43,386 INFO L471 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) [2021-12-06 20:33:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1622 transitions. [2021-12-06 20:33:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-12-06 20:33:43,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:33:43,387 INFO L514 BasicCegarLoop]: 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] [2021-12-06 20:33:43,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (41)] Ended with exit code 0 [2021-12-06 20:33:43,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:43,589 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK === [spin_lock_initErr0REQUIRES_VIOLATION, spin_lock_initErr1REQUIRES_VIOLATION, spin_lock_initErr2REQUIRES_VIOLATION, spin_lock_initErr3REQUIRES_VIOLATION (and 201 more)] === [2021-12-06 20:33:43,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:33:43,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2065698045, now seen corresponding path program 1 times [2021-12-06 20:33:43,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:33:43,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1668522505] [2021-12-06 20:33:43,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:33:43,594 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:33:43,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:33:43,596 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:33:43,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2021-12-06 20:33:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:45,986 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:33:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:33:47,829 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 20:33:47,829 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 20:33:47,829 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr164ASSERT_VIOLATIONMEMORY_LEAK (204 of 205 remaining) [2021-12-06 20:33:47,830 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr0REQUIRES_VIOLATION (203 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr1REQUIRES_VIOLATION (202 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr2REQUIRES_VIOLATION (201 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_initErr3REQUIRES_VIOLATION (200 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr0REQUIRES_VIOLATION (199 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location zf_pingErr1REQUIRES_VIOLATION (198 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr0REQUIRES_VIOLATION (197 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lockErr1REQUIRES_VIOLATION (196 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr0REQUIRES_VIOLATION (195 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr1REQUIRES_VIOLATION (194 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr2REQUIRES_VIOLATION (193 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr3REQUIRES_VIOLATION (192 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr4REQUIRES_VIOLATION (191 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr5REQUIRES_VIOLATION (190 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr6REQUIRES_VIOLATION (189 of 205 remaining) [2021-12-06 20:33:47,831 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr7REQUIRES_VIOLATION (188 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr8REQUIRES_VIOLATION (187 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ##fun~$Pointer$~X~$Pointer$~TO~C_INTErr9REQUIRES_VIOLATION (186 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr0REQUIRES_VIOLATION (185 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location add_timerErr1REQUIRES_VIOLATION (184 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr0REQUIRES_VIOLATION (183 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlockErr1REQUIRES_VIOLATION (182 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr0REQUIRES_VIOLATION (181 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_unlock_irqrestoreErr1REQUIRES_VIOLATION (180 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr0REQUIRES_VIOLATION (179 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location del_timerErr1REQUIRES_VIOLATION (178 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr0REQUIRES_VIOLATION (177 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location spin_lock_irqsaveErr1REQUIRES_VIOLATION (176 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (175 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (174 of 205 remaining) [2021-12-06 20:33:47,832 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (173 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (172 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (171 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (170 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION (169 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION (168 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION (167 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION (166 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION (165 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION (164 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION (163 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION (162 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION (161 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION (160 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16REQUIRES_VIOLATION (159 of 205 remaining) [2021-12-06 20:33:47,833 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17REQUIRES_VIOLATION (158 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18REQUIRES_VIOLATION (157 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19REQUIRES_VIOLATION (156 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20REQUIRES_VIOLATION (155 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21REQUIRES_VIOLATION (154 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22REQUIRES_VIOLATION (153 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23REQUIRES_VIOLATION (152 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24REQUIRES_VIOLATION (151 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25REQUIRES_VIOLATION (150 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26REQUIRES_VIOLATION (149 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27REQUIRES_VIOLATION (148 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28REQUIRES_VIOLATION (147 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29REQUIRES_VIOLATION (146 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30REQUIRES_VIOLATION (145 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31REQUIRES_VIOLATION (144 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32REQUIRES_VIOLATION (143 of 205 remaining) [2021-12-06 20:33:47,834 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33REQUIRES_VIOLATION (142 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34REQUIRES_VIOLATION (141 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35REQUIRES_VIOLATION (140 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36REQUIRES_VIOLATION (139 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37REQUIRES_VIOLATION (138 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38REQUIRES_VIOLATION (137 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39REQUIRES_VIOLATION (136 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40REQUIRES_VIOLATION (135 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41REQUIRES_VIOLATION (134 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42REQUIRES_VIOLATION (133 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43REQUIRES_VIOLATION (132 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44REQUIRES_VIOLATION (131 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45REQUIRES_VIOLATION (130 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46REQUIRES_VIOLATION (129 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47REQUIRES_VIOLATION (128 of 205 remaining) [2021-12-06 20:33:47,835 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48REQUIRES_VIOLATION (127 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49REQUIRES_VIOLATION (126 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50REQUIRES_VIOLATION (125 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51REQUIRES_VIOLATION (124 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52REQUIRES_VIOLATION (123 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53REQUIRES_VIOLATION (122 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54REQUIRES_VIOLATION (121 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55REQUIRES_VIOLATION (120 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56REQUIRES_VIOLATION (119 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57REQUIRES_VIOLATION (118 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58REQUIRES_VIOLATION (117 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59REQUIRES_VIOLATION (116 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60REQUIRES_VIOLATION (115 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61REQUIRES_VIOLATION (114 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62REQUIRES_VIOLATION (113 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63REQUIRES_VIOLATION (112 of 205 remaining) [2021-12-06 20:33:47,836 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64REQUIRES_VIOLATION (111 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65REQUIRES_VIOLATION (110 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66REQUIRES_VIOLATION (109 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67REQUIRES_VIOLATION (108 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68REQUIRES_VIOLATION (107 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69REQUIRES_VIOLATION (106 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70REQUIRES_VIOLATION (105 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71REQUIRES_VIOLATION (104 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72REQUIRES_VIOLATION (103 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73REQUIRES_VIOLATION (102 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74REQUIRES_VIOLATION (101 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75REQUIRES_VIOLATION (100 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76REQUIRES_VIOLATION (99 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77REQUIRES_VIOLATION (98 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78REQUIRES_VIOLATION (97 of 205 remaining) [2021-12-06 20:33:47,837 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79REQUIRES_VIOLATION (96 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80REQUIRES_VIOLATION (95 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81REQUIRES_VIOLATION (94 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82REQUIRES_VIOLATION (93 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83REQUIRES_VIOLATION (92 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84REQUIRES_VIOLATION (91 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85REQUIRES_VIOLATION (90 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86REQUIRES_VIOLATION (89 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87REQUIRES_VIOLATION (88 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88REQUIRES_VIOLATION (87 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89REQUIRES_VIOLATION (86 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90REQUIRES_VIOLATION (85 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91REQUIRES_VIOLATION (84 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92REQUIRES_VIOLATION (83 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93REQUIRES_VIOLATION (82 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94REQUIRES_VIOLATION (81 of 205 remaining) [2021-12-06 20:33:47,838 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95REQUIRES_VIOLATION (80 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96REQUIRES_VIOLATION (79 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97REQUIRES_VIOLATION (78 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98REQUIRES_VIOLATION (77 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99REQUIRES_VIOLATION (76 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100REQUIRES_VIOLATION (75 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101REQUIRES_VIOLATION (74 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr102REQUIRES_VIOLATION (73 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr103REQUIRES_VIOLATION (72 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr104REQUIRES_VIOLATION (71 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr105REQUIRES_VIOLATION (70 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr106REQUIRES_VIOLATION (69 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr107REQUIRES_VIOLATION (68 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr108REQUIRES_VIOLATION (67 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr109REQUIRES_VIOLATION (66 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr110REQUIRES_VIOLATION (65 of 205 remaining) [2021-12-06 20:33:47,839 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr111REQUIRES_VIOLATION (64 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr112REQUIRES_VIOLATION (63 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr113REQUIRES_VIOLATION (62 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr114REQUIRES_VIOLATION (61 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr115REQUIRES_VIOLATION (60 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr116REQUIRES_VIOLATION (59 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr117REQUIRES_VIOLATION (58 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr118REQUIRES_VIOLATION (57 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr119REQUIRES_VIOLATION (56 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr120REQUIRES_VIOLATION (55 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr121REQUIRES_VIOLATION (54 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr122REQUIRES_VIOLATION (53 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr123REQUIRES_VIOLATION (52 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr124REQUIRES_VIOLATION (51 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr125REQUIRES_VIOLATION (50 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr126REQUIRES_VIOLATION (49 of 205 remaining) [2021-12-06 20:33:47,840 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr127REQUIRES_VIOLATION (48 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr128REQUIRES_VIOLATION (47 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr129REQUIRES_VIOLATION (46 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr130REQUIRES_VIOLATION (45 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr131REQUIRES_VIOLATION (44 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr132REQUIRES_VIOLATION (43 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr133REQUIRES_VIOLATION (42 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr134REQUIRES_VIOLATION (41 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr135REQUIRES_VIOLATION (40 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr136REQUIRES_VIOLATION (39 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr137REQUIRES_VIOLATION (38 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr138REQUIRES_VIOLATION (37 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr139REQUIRES_VIOLATION (36 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr140REQUIRES_VIOLATION (35 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr141REQUIRES_VIOLATION (34 of 205 remaining) [2021-12-06 20:33:47,841 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr142REQUIRES_VIOLATION (33 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr143REQUIRES_VIOLATION (32 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr144REQUIRES_VIOLATION (31 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr145REQUIRES_VIOLATION (30 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr146REQUIRES_VIOLATION (29 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr147REQUIRES_VIOLATION (28 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr148REQUIRES_VIOLATION (27 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr149REQUIRES_VIOLATION (26 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr150REQUIRES_VIOLATION (25 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr151REQUIRES_VIOLATION (24 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr152REQUIRES_VIOLATION (23 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr153REQUIRES_VIOLATION (22 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr154REQUIRES_VIOLATION (21 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr155REQUIRES_VIOLATION (20 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr156REQUIRES_VIOLATION (19 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr157REQUIRES_VIOLATION (18 of 205 remaining) [2021-12-06 20:33:47,842 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr158REQUIRES_VIOLATION (17 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr159REQUIRES_VIOLATION (16 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr160REQUIRES_VIOLATION (15 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr161REQUIRES_VIOLATION (14 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr162REQUIRES_VIOLATION (13 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr163REQUIRES_VIOLATION (12 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr0REQUIRES_VIOLATION (11 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr1REQUIRES_VIOLATION (10 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr2REQUIRES_VIOLATION (9 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr3REQUIRES_VIOLATION (8 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr4REQUIRES_VIOLATION (7 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr5REQUIRES_VIOLATION (6 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr6REQUIRES_VIOLATION (5 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr7REQUIRES_VIOLATION (4 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr8REQUIRES_VIOLATION (3 of 205 remaining) [2021-12-06 20:33:47,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr9REQUIRES_VIOLATION (2 of 205 remaining) [2021-12-06 20:33:47,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr10REQUIRES_VIOLATION (1 of 205 remaining) [2021-12-06 20:33:47,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location cdev_addErr11REQUIRES_VIOLATION (0 of 205 remaining) [2021-12-06 20:33:47,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (42)] Ended with exit code 0 [2021-12-06 20:33:48,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:33:48,053 INFO L732 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] [2021-12-06 20:33:48,066 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:33:48,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:33:48 BoogieIcfgContainer [2021-12-06 20:33:48,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:33:48,344 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:33:48,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:33:48,344 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:33:48,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:28:30" (3/4) ... [2021-12-06 20:33:48,347 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 20:33:48,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:33:48,348 INFO L158 Benchmark]: Toolchain (without parser) took 324059.49ms. Allocated memory was 62.9MB in the beginning and 209.7MB in the end (delta: 146.8MB). Free memory was 44.4MB in the beginning and 47.5MB in the end (delta: -3.1MB). Peak memory consumption was 145.3MB. Max. memory is 16.1GB. [2021-12-06 20:33:48,348 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:33:48,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.42ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 44.1MB in the beginning and 58.0MB in the end (delta: -13.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2021-12-06 20:33:48,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.84ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 49.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 20:33:48,348 INFO L158 Benchmark]: Boogie Preprocessor took 104.23ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 41.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 20:33:48,348 INFO L158 Benchmark]: RCFGBuilder took 4674.35ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 41.3MB in the beginning and 78.0MB in the end (delta: -36.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2021-12-06 20:33:48,348 INFO L158 Benchmark]: TraceAbstraction took 317724.01ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 78.0MB in the beginning and 47.9MB in the end (delta: 30.1MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. [2021-12-06 20:33:48,349 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 209.7MB. Free memory was 47.9MB in the beginning and 47.5MB in the end (delta: 372.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:33:48,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 52.4MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.42ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 44.1MB in the beginning and 58.0MB in the end (delta: -13.9MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.84ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 49.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.23ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 41.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4674.35ms. Allocated memory was 92.3MB in the beginning and 144.7MB in the end (delta: 52.4MB). Free memory was 41.3MB in the beginning and 78.0MB in the end (delta: -36.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * TraceAbstraction took 317724.01ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 78.0MB in the beginning and 47.9MB in the end (delta: 30.1MB). Peak memory consumption was 115.0MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 209.7MB. Free memory was 47.9MB in the beginning and 47.5MB in the end (delta: 372.8kB). Peak memory consumption was 2.1MB. 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: [L20] int current_execution_context; [L31] int (* _ddv_module_init)(void); [L32] void (* _ddv_module_exit)(void); [L232] unsigned long jiffies; [L1474] char _ddv_module_author[] = "Fernando Fuganti "; [L1475] char _ddv_module_description[] = "MachZ ZF-Logic Watchdog driver"; [L1476] char _ddv_module_license[] = "GPL"; [L1478] static int nowayout = 0; [L1479] char _ddv_module_param_nowayout [] = "Watchdog cannot be stopped once started (default=CONFIG_WATCHDOG_NOWAYOUT)"; [L1483-L1487] static struct watchdog_info zf_info = { .options = 0x8000 | 0x0100, .firmware_version = 1, .identity = "ZF-Logic watchdog", }; [L1488] static int action = 0; [L1489] char _ddv_module_param_action [] = "after watchdog resets, generate: 0 = RESET(*) 1 = SMI 2 = NMI 3 = SCI"; [L1491] static int zf_action = 0x0800; [L1492] static unsigned long zf_is_open; [L1493] static char zf_expect_close; [L1494] static spinlock_t zf_lock; [L1495] static spinlock_t zf_port_lock; [L1496] static struct timer_list zf_timer; [L1497] static unsigned long next_heartbeat = 0; [L1743-L1750] static const struct file_operations zf_fops = { .owner = ((struct module *) 0), .llseek = no_llseek, .write = zf_write, .ioctl = zf_ioctl, .open = zf_open, .release = zf_close, }; [L1752-L1756] static struct miscdevice zf_miscdev = { .minor = 130, .name = "watchdog", .fops = (struct file_operations *)&zf_fops, }; [L1763-L1765] static struct notifier_block zf_notifier = { .notifier_call = zf_notify_sys, }; [L1845] int (* _ddv_tmp_init)(void) = zf_init; [L1846] void (* _ddv_tmp_exit)(void) = zf_exit; [L1897] struct cdev fixed_cdev[1]; [L1898] int fixed_cdev_used = 0; [L1900] short number_cdev_registered = 0; [L1911] struct ddv_cdev cdev_registered[1]; [L2448] short number_genhd_registered = 0; [L2449] short number_fixed_genhd_used = 0; [L2460] struct gendisk fixed_gendisk[10]; [L2461] struct ddv_genhd genhd_registered[10]; [L2597] struct ddv_pci_driver registered_pci_driver; [L2608] struct registered_irq registered_irq[16]; [L2618] short number_tasklet_registered = 0; [L2625] struct ddv_tasklet tasklet_registered[1]; [L2635] short number_timer_registered = 0; [L2641] struct ddv_timer timer_registered[1]; [L2651] struct work_struct *shared_workqueue[10]; [L2661] spinlock_t kernel_lock; [L3347] request_queue_t fixed_request_queue[10]; [L3349] int number_request_queue_used = 0; [L3433] struct proc_dir_entry *proc_root_driver; [L3743] struct ddv_tty_driver global_tty_driver; [L3922] int ddv_ioport_request_start; [L3923] int ddv_ioport_request_len; VAL [={0:0}, ={-1:7}, ={-1:8}, ={0:0}, action=0, cdev_registered={36:0}, current_execution_context=0, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2667] CALL spin_lock_init(&kernel_lock) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4154] lock->init = 1 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4155] lock->locked = 0 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={44:0}, lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2667] RET spin_lock_init(&kernel_lock) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i = 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=3, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=4, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=5, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=6, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=7, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=8, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND TRUE i < 10 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2670] shared_workqueue[i] = ((void *)0) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=9, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] i++ VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2669] COND FALSE !(i < 10) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=10, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] i = 0 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND TRUE i < 1 VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2674] tasklet_registered[i].tasklet = ((void *)0) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2675] tasklet_registered[i].is_running = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] i++ VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2673] COND FALSE !(i < 1) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=1, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2729] RET init_kernel() [L2731] CALL, EXPR (* _ddv_module_init)() [L1776] int ret; VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] CALL printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4481] return 0; VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={20:0}, fmt={20:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1778] RET printk("<6>" "machzwd" ": MachZ ZF-Logic Watchdog driver initializing.\n") VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1780] CALL, EXPR zf_readw(0x02) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1469] FCALL outb(port, 0x218) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(port)=2, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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 [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_readw(0x02)=-32768, zf_timer={31:0}] [L1780] ret = zf_readw(0x02) [L1781] COND FALSE !((!ret) || (ret == 0xffff)) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1786] COND TRUE (action <= 3) && (action >= 0) [L1787] zf_action = zf_action>>action VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1791] CALL zf_show_action(action) [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={62:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] EXPR str[act] VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={62:0}, str[act]={15:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] CALL printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={19:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4481] return 0; VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={19:0}, fmt={19:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1771] RET printk("<6>" "machzwd" ": Watchdog using action = %s\n", str[act]) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, str={62:0}, str[act]={15:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1769] char *str[] = { "RESET", "SMI", "NMI", "SCI" }; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(act)=0, act=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1791] RET zf_show_action(action) [L1793] CALL spin_lock_init(&zf_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4154] lock->init = 1 VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, lock={29:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4155] lock->locked = 0 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={29:0}, lock={29:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1793] RET spin_lock_init(&zf_lock) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1794] CALL spin_lock_init(&zf_port_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4154] lock->init = 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, lock={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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4155] lock->locked = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, lock={30:0}, lock={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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1794] RET spin_lock_init(&zf_port_lock) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=32768, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=0, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3500] fixed_cdev[i].owner = ((struct module *) 0) VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3501] EXPR misc->fops VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->fops={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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3501] fixed_cdev[i].ops = misc->fops VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, misc->fops={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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3503] EXPR misc->minor VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3503] dev = (((10) << 20) | (misc->minor)) [L3505] CALL, EXPR cdev_add(&fixed_cdev[i], dev, 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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3848] p->dev = dev VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3849] p->count = count VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3851] int return_value = __VERIFIER_nondet_int(); [L3852] CALL assume_abort_if_not((return_value == 0) || (return_value == -1)) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L10] COND FALSE !(!cond) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(cond)=1, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, cond=1, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3852] RET assume_abort_if_not((return_value == 0) || (return_value == -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={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3854] COND TRUE return_value == 0 VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3855] COND TRUE number_cdev_registered < 1 VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3857] cdev_registered[number_cdev_registered].cdevp = p VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3858] cdev_registered[number_cdev_registered].inode.i_rdev = dev VAL [={-1:7}, ={-1:8}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3859] cdev_registered[number_cdev_registered].inode.i_cdev = p VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3860] cdev_registered[number_cdev_registered].open = 0 VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3862] number_cdev_registered++ VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(count)=0, \old(dev)=10485890, \old(number_cdev_registered)=0, action=0, cdev_registered={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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={36:0}, count=0, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={35:0}, p={35:0}, proc_root_driver={0:0}, registered_irq={40:0}, registered_pci_driver={39:0}, return_value=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3505] RET, EXPR cdev_add(&fixed_cdev[i], dev, 0) VAL [={-1:8}, ={-1:7}, ={-1:7}, ={-1:8}, action=0, cdev_add(&fixed_cdev[i], dev, 0)=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, dev=10485890, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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 [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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={50:0}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, resource={50:0}, shared_workqueue={43:0}, start=536, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1803] RET, EXPR request_region(0x218, 3, "MachZ ZFL WDT") VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, request_region(0x218, 3, "MachZ ZFL WDT")={50:0}, ret=0, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [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}, ={-1:8}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, dummy={34:0}, dummy={34:0}, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=2147483648, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1810] RET, EXPR register_reboot_notifier(&zf_notifier) [L1810] ret = register_reboot_notifier(&zf_notifier) [L1811] COND TRUE \read(ret) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1812-L1813] CALL printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={25:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4481] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, fmt={25:0}, fmt={25:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1812-L1813] RET printk("<3>" "can't register reboot notifier (err=%d)\n", ret) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1828] CALL release_region(0x218, 3) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=3, ddv_ioport_request_start=536, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L3941] unsigned int i = 0; [L3947] ddv_ioport_request_start = 0 [L3948] ddv_ioport_request_len = 0 VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, \old(ddv_ioport_request_len)=3, \old(ddv_ioport_request_start)=536, \old(len)=3, \old(start)=536, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=0, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, start=536, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1828] RET release_region(0x218, 3) VAL [={-1:8}, ={-1:8}, ={-1:7}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1830] CALL misc_deregister(&zf_miscdev) VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, misc={33:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L4523] int i; [L4523] return i; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=49, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, i=49, jiffies=0, kernel_lock={44:0}, misc={33:0}, misc={33:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1830] RET misc_deregister(&zf_miscdev) VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1832] return ret; VAL [={-1:8}, ={-1:7}, ={-1:8}, ={-1:7}, \result=-2147483648, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, ret=2147483648, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L2731] RET, EXPR (* _ddv_module_init)() [L2731] err = (* _ddv_module_init)() [L2733] COND TRUE \read(err) [L2734] return -1; VAL [={-1:7}, ={-1:7}, ={-1:8}, ={-1:8}, \result=-1, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, err=2147483648, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] [L1852] RET call_ddv() [L1854] return 0; VAL [={-1:7}, ={-1:8}, ={-1:8}, ={-1:7}, \result=0, action=0, cdev_registered={36:0}, current_execution_context=1, ddv_ioport_request_len=0, ddv_ioport_request_start=0, fixed_cdev={35:0}, fixed_cdev_used=1, fixed_gendisk={37:0}, fixed_request_queue={45:0}, genhd_registered={38:0}, global_tty_driver={46:0}, jiffies=0, kernel_lock={44:0}, 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={40:0}, registered_pci_driver={39:0}, shared_workqueue={43:0}, tasklet_registered={41:0}, timer_registered={42:0}, zf_action=2048, zf_expect_close=0, zf_fops={32:0}, zf_info={27:0}, zf_is_open={28:0}, zf_lock={29:0}, zf_miscdev={33:0}, zf_notifier={34:0}, zf_port_lock={30:0}, zf_timer={31:0}] - UnprovableResult [Line: 4154]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4154]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4155]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4155]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1615]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1615]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4166]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4166]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4518]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4519]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4509]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4509]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4510]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4510]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1575]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1575]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4261]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4261]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4212]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4212]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4221]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4221]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4272]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4272]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4178]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4178]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2670]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2670]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2674]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2674]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2675]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2675]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1771]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1771]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3500]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3500]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3501]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3501]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3501]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3501]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3503]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3503]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4247]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4247]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4248]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4248]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4249]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4249]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1822]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1822]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1823]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1823]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2768]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2768]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2768]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2768]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2768]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2768]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2769]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2769]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2773]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2772]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2778]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2779]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2782]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2792]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2792]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2792]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2792]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2792]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2792]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2793]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2796]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2796]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2796]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2796]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2796]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2796]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2812]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2816]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2816]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2816]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2816]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2816]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2816]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2833]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2834]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2835]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2839]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2839]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2847]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2847]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2847]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2847]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2847]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2847]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2853]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 2853]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3116]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3116]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3116]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3116]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3117]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3037]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3037]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3038]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3038]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3038]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3038]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4364]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4364]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4365]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 4366]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3099]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3099]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3100]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3100]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3100]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3100]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3101]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3101]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3102]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3103]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3103]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3104]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3848]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3849]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3857]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3857]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3858]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3858]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3859]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3859]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3860]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 3860]: 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, 670 locations, 205 error locations. Started 1 CEGAR loops. OverallTime: 317.4s, OverallIterations: 33, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 213.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 46 mSolverCounterUnknown, 20686 SdHoareTripleChecker+Valid, 208.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20498 mSDsluCounter, 100511 SdHoareTripleChecker+Invalid, 195.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1542 IncrementalHoareTripleChecker+Unchecked, 75350 mSDsCounter, 1389 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30282 IncrementalHoareTripleChecker+Invalid, 33259 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1389 mSolverCounterUnsat, 25161 mSDtfsCounter, 30282 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3563 GetRequests, 3276 SyntacticMatches, 35 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 680 ImplicationChecksByTransitivity, 25.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1714occurred in iteration=16, InterpolantAutomatonStates: 211, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 32 MinimizatonAttempts, 5163 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 33.4s SatisfiabilityAnalysisTime, 48.8s InterpolantComputationTime, 3054 NumberOfCodeBlocks, 3006 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 3185 ConstructedInterpolants, 100 QuantifiedInterpolants, 40498 SizeOfPredicates, 90 NumberOfNonLiveVariables, 32398 ConjunctsInSsa, 323 ConjunctsInUnsatCore, 47 InterpolantComputations, 21 PerfectInterpolantSequences, 5026/5644 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 20:33:48,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc29395d-e106-4f02-b69d-88be1e87be7c/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample