./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:26,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:26,969 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-21 22:12:26,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:26,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:27,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:27,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:27,003 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:27,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:27,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:27,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:27,006 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:27,006 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:27,007 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:27,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:27,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:12:27,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:27,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:27,009 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:12:27,010 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:12:27,010 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:12:27,011 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:27,011 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:12:27,012 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:12:27,012 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:27,012 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:27,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:27,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:27,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:27,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:27,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:27,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:27,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:27,015 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:12:27,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:12:27,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:27,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:27,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:27,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:27,017 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2023-11-21 22:12:27,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:27,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:27,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:27,329 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:27,330 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:27,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2023-11-21 22:12:30,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:30,964 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:30,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2023-11-21 22:12:31,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data/f3b1330e1/81ada23f1f0349128a74fbb58d0a0293/FLAG06b167198 [2023-11-21 22:12:31,023 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data/f3b1330e1/81ada23f1f0349128a74fbb58d0a0293 [2023-11-21 22:12:31,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:31,032 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:31,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:31,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:31,041 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:31,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:31" (1/1) ... [2023-11-21 22:12:31,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@765dddd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:31, skipping insertion in model container [2023-11-21 22:12:31,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:31" (1/1) ... [2023-11-21 22:12:31,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:32,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:32,716 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-21 22:12:32,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d795063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:32, skipping insertion in model container [2023-11-21 22:12:32,716 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:32,717 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 22:12:32,719 INFO L158 Benchmark]: Toolchain (without parser) took 1686.23ms. Allocated memory is still 169.9MB. Free memory was 120.5MB in the beginning and 75.8MB in the end (delta: 44.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,720 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 169.9MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:32,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1683.37ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 75.8MB in the end (delta: 44.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,722 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 169.9MB. Free memory is still 145.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1683.37ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 75.8MB in the end (delta: 44.5MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2975]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --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 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:35,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:35,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-21 22:12:35,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:35,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:35,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:35,450 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:35,450 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:35,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:35,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:35,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:35,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:35,458 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:35,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:35,461 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:35,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:12:35,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:35,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:35,463 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:12:35,463 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:12:35,464 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:12:35,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:35,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:12:35,469 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:12:35,469 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:12:35,469 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:12:35,470 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:35,470 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:35,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:35,471 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:35,473 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:35,473 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:35,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:35,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:35,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:35,474 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:12:35,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:12:35,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:35,475 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:35,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:35,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:35,477 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:12:35,477 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d4ac8f9993fdd9a611524b9b9f0ae991f3672b4fa16738dbd64025282f00ca6 [2023-11-21 22:12:35,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:35,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:35,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:35,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:35,916 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:35,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2023-11-21 22:12:39,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:39,629 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:39,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outb_p.i [2023-11-21 22:12:39,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data/1eaaf2073/bf7c91bde76644569654d33a3e6765c7/FLAG650b79c7f [2023-11-21 22:12:39,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/data/1eaaf2073/bf7c91bde76644569654d33a3e6765c7 [2023-11-21 22:12:39,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:39,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:39,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:39,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:39,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:39,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:39" (1/1) ... [2023-11-21 22:12:39,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3d8f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:39, skipping insertion in model container [2023-11-21 22:12:39,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:39" (1/1) ... [2023-11-21 22:12:39,830 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:41,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:41,618 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 22:12:41,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:41,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:41,841 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:42,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:42,208 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:12:42,216 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:42,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42 WrapperNode [2023-11-21 22:12:42,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:42,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:42,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:42,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:42,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,438 INFO L138 Inliner]: procedures = 482, calls = 840, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 985 [2023-11-21 22:12:42,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:42,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:42,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:42,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:42,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:42,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:42,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:42,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:42,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (1/1) ... [2023-11-21 22:12:42,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:42,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:42,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:42,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-21 22:12:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-21 22:12:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-21 22:12:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-21 22:12:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 22:12:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-21 22:12:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 22:12:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 22:12:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:12:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-21 22:12:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 22:12:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 22:12:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 22:12:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 22:12:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 22:12:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-21 22:12:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-21 22:12:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-21 22:12:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-21 22:12:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-21 22:12:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:12:42,694 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-21 22:12:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-21 22:12:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:12:42,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:12:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 22:12:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-21 22:12:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-21 22:12:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-21 22:12:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-21 22:12:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-21 22:12:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-21 22:12:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-21 22:12:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 22:12:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-21 22:12:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:12:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:12:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:12:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-21 22:12:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-21 22:12:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:12:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:12:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-21 22:12:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-21 22:12:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-21 22:12:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-21 22:12:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-21 22:12:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-21 22:12:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-21 22:12:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 22:12:42,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 22:12:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 22:12:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 22:12:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-21 22:12:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-21 22:12:42,701 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 22:12:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 22:12:42,702 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-21 22:12:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-21 22:12:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-21 22:12:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-21 22:12:42,703 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-21 22:12:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-21 22:12:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-21 22:12:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-21 22:12:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-21 22:12:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-21 22:12:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-21 22:12:42,704 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-21 22:12:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-21 22:12:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 22:12:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 22:12:42,705 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2023-11-21 22:12:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2023-11-21 22:12:43,062 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:43,065 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:49,131 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:49,576 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:49,576 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 22:12:49,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:49 BoogieIcfgContainer [2023-11-21 22:12:49,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:49,581 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:49,581 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:49,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:49,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:39" (1/3) ... [2023-11-21 22:12:49,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c02278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:49, skipping insertion in model container [2023-11-21 22:12:49,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:42" (2/3) ... [2023-11-21 22:12:49,590 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c02278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:49, skipping insertion in model container [2023-11-21 22:12:49,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:49" (3/3) ... [2023-11-21 22:12:49,592 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outb_p.i [2023-11-21 22:12:49,643 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:49,644 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2023-11-21 22:12:49,718 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:49,727 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31396aaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:49,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2023-11-21 22:12:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand has 576 states, 266 states have (on average 2.007518796992481) internal successors, (534), 477 states have internal predecessors, (534), 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) [2023-11-21 22:12:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:12:49,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:49,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:12:49,758 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2023-11-21 22:12:49,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash 40375456, now seen corresponding path program 1 times [2023-11-21 22:12:49,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:12:49,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997778822] [2023-11-21 22:12:49,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:49,782 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:12:49,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:12:49,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:12:49,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:12:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:50,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:12:50,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:12:50,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:12:50,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:12:50,466 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:12:50,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997778822] [2023-11-21 22:12:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997778822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:50,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:50,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:12:50,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574873115] [2023-11-21 22:12:50,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:50,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:12:50,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:12:50,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:12:50,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:12:50,505 INFO L87 Difference]: Start difference. First operand has 576 states, 266 states have (on average 2.007518796992481) internal successors, (534), 477 states have internal predecessors, (534), 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, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-21 22:12:52,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:54,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:56,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:13:00,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:00,642 INFO L93 Difference]: Finished difference Result 1041 states and 1241 transitions. [2023-11-21 22:13:00,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:13:00,644 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 4 [2023-11-21 22:13:00,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:00,665 INFO L225 Difference]: With dead ends: 1041 [2023-11-21 22:13:00,665 INFO L226 Difference]: Without dead ends: 1039 [2023-11-21 22:13:00,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:13:00,669 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 586 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:00,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1756 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1275 Invalid, 3 Unknown, 0 Unchecked, 9.9s Time] [2023-11-21 22:13:00,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2023-11-21 22:13:00,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 847. [2023-11-21 22:13:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 454 states have (on average 1.9955947136563876) internal successors, (906), 676 states have internal predecessors, (906), 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) [2023-11-21 22:13:00,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1182 transitions. [2023-11-21 22:13:00,836 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1182 transitions. Word has length 4 [2023-11-21 22:13:00,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:00,836 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1182 transitions. [2023-11-21 22:13:00,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-21 22:13:00,837 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1182 transitions. [2023-11-21 22:13:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:13:00,838 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:00,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:13:00,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:01,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:01,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2023-11-21 22:13:01,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:01,045 INFO L85 PathProgramCache]: Analyzing trace with hash 40375457, now seen corresponding path program 1 times [2023-11-21 22:13:01,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:13:01,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812796904] [2023-11-21 22:13:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:01,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:01,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:13:01,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:13:01,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-21 22:13:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:01,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:13:01,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:01,717 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:01,717 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:13:01,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812796904] [2023-11-21 22:13:01,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812796904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:01,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:01,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:13:01,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773645742] [2023-11-21 22:13:01,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:01,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:13:01,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:13:01,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:13:01,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:13:01,721 INFO L87 Difference]: Start difference. First operand 847 states and 1182 transitions. Second operand has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-21 22:13:03,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:13:05,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:13:07,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:13:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:11,681 INFO L93 Difference]: Finished difference Result 966 states and 1261 transitions. [2023-11-21 22:13:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:13:11,682 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 4 [2023-11-21 22:13:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:11,691 INFO L225 Difference]: With dead ends: 966 [2023-11-21 22:13:11,691 INFO L226 Difference]: Without dead ends: 966 [2023-11-21 22:13:11,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:13:11,693 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 236 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1967 SdHoareTripleChecker+Invalid, 1040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:11,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1967 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1036 Invalid, 3 Unknown, 0 Unchecked, 9.8s Time] [2023-11-21 22:13:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2023-11-21 22:13:11,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 908. [2023-11-21 22:13:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 483 states have (on average 1.9544513457556936) internal successors, (944), 706 states have internal predecessors, (944), 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) [2023-11-21 22:13:11,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1258 transitions. [2023-11-21 22:13:11,741 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1258 transitions. Word has length 4 [2023-11-21 22:13:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:11,741 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1258 transitions. [2023-11-21 22:13:11,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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) [2023-11-21 22:13:11,742 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1258 transitions. [2023-11-21 22:13:11,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 22:13:11,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:11,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:11,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:11,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:11,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2023-11-21 22:13:11,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:11,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1266514677, now seen corresponding path program 1 times [2023-11-21 22:13:11,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:13:11,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434472656] [2023-11-21 22:13:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:11,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:11,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:13:11,952 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:13:11,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-21 22:13:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:12,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:13:12,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:12,625 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:12,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:13:12,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434472656] [2023-11-21 22:13:12,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434472656] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:12,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:12,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:13:12,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992528828] [2023-11-21 22:13:12,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:12,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:13:12,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:13:12,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:13:12,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:12,628 INFO L87 Difference]: Start difference. First operand 908 states and 1258 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-21 22:13:14,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:13:16,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:16,539 INFO L93 Difference]: Finished difference Result 1093 states and 1310 transitions. [2023-11-21 22:13:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:13:16,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 9 [2023-11-21 22:13:16,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:16,547 INFO L225 Difference]: With dead ends: 1093 [2023-11-21 22:13:16,547 INFO L226 Difference]: Without dead ends: 1093 [2023-11-21 22:13:16,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:13:16,549 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 563 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:16,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 938 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2023-11-21 22:13:16,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2023-11-21 22:13:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 907. [2023-11-21 22:13:16,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 483 states have (on average 1.9440993788819876) internal successors, (939), 705 states have internal predecessors, (939), 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) [2023-11-21 22:13:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1253 transitions. [2023-11-21 22:13:16,589 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1253 transitions. Word has length 9 [2023-11-21 22:13:16,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:16,590 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1253 transitions. [2023-11-21 22:13:16,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2023-11-21 22:13:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1253 transitions. [2023-11-21 22:13:16,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 22:13:16,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:16,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:16,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:16,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:16,800 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2023-11-21 22:13:16,800 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:16,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1266514676, now seen corresponding path program 1 times [2023-11-21 22:13:16,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:13:16,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [739502801] [2023-11-21 22:13:16,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:16,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:16,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:13:16,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:13:16,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-21 22:13:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:17,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 22:13:17,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:17,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:13:17,468 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:17,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:13:17,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [739502801] [2023-11-21 22:13:17,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [739502801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:17,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:13:17,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:13:17,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384461451] [2023-11-21 22:13:17,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:17,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:13:17,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:13:17,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:13:17,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:17,471 INFO L87 Difference]: Start difference. First operand 907 states and 1253 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-21 22:13:19,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:13:21,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:13:24,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:24,470 INFO L93 Difference]: Finished difference Result 970 states and 1265 transitions. [2023-11-21 22:13:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:13:24,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2023-11-21 22:13:24,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:24,476 INFO L225 Difference]: With dead ends: 970 [2023-11-21 22:13:24,477 INFO L226 Difference]: Without dead ends: 970 [2023-11-21 22:13:24,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:13:24,478 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 228 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:24,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 1509 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 710 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2023-11-21 22:13:24,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2023-11-21 22:13:24,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 910. [2023-11-21 22:13:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 486 states have (on average 1.9382716049382716) internal successors, (942), 708 states have internal predecessors, (942), 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) [2023-11-21 22:13:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1256 transitions. [2023-11-21 22:13:24,513 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1256 transitions. Word has length 9 [2023-11-21 22:13:24,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:24,513 INFO L495 AbstractCegarLoop]: Abstraction has 910 states and 1256 transitions. [2023-11-21 22:13:24,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-21 22:13:24,514 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1256 transitions. [2023-11-21 22:13:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 22:13:24,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:24,515 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:24,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-21 22:13:24,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:24,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_lock_initErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 202 more)] === [2023-11-21 22:13:24,721 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:24,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1643938270, now seen corresponding path program 1 times [2023-11-21 22:13:24,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:13:24,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762240343] [2023-11-21 22:13:24,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:24,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:13:24,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:13:24,723 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:13:24,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c99b152-30f0-4c18-8c2e-374ae231a63d/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process