./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 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_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/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_951952d2-e3d5-4551-a484-ab3dde9eaed6/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_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:40,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:40,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-21 21:00:40,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:40,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:40,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:40,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:40,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:40,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:00:40,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:00:40,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:40,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:40,854 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:40,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:40,856 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:00:40,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:40,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:00:40,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:40,858 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 21:00:40,859 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 21:00:40,859 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 21:00:40,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:00:40,860 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 21:00:40,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:00:40,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:00:40,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:40,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:40,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:40,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:00:40,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:00:40,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:40,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:40,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:00:40,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 21:00:40,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 21:00:40,866 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:00:40,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:00:40,866 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:00:40,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:00:40,867 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_951952d2-e3d5-4551-a484-ab3dde9eaed6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 [2023-11-21 21:00:41,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:41,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:41,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:41,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:41,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:41,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2023-11-21 21:00:44,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:44,904 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:44,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2023-11-21 21:00:44,953 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data/8bf63c594/13512ca8bc7d49d79117eec7bc2ac173/FLAGf4482ae1a [2023-11-21 21:00:44,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data/8bf63c594/13512ca8bc7d49d79117eec7bc2ac173 [2023-11-21 21:00:44,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:44,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:44,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:44,986 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:44,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:44,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:44" (1/1) ... [2023-11-21 21:00:44,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1031e526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:44, skipping insertion in model container [2023-11-21 21:00:44,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:44" (1/1) ... [2023-11-21 21:00:45,094 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:46,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:46,882 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 21:00:46,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@449caaf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:46, skipping insertion in model container [2023-11-21 21:00:46,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:46,883 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 21:00:46,885 INFO L158 Benchmark]: Toolchain (without parser) took 1902.39ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 77.6MB in the end (delta: 44.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:46,886 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 115.3MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 21:00:46,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1897.39ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 77.6MB in the end (delta: 44.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 21:00:46,889 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 115.3MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1897.39ms. Allocated memory is still 159.4MB. Free memory was 122.3MB in the beginning and 77.6MB in the end (delta: 44.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2976]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/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_951952d2-e3d5-4551-a484-ab3dde9eaed6/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_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 21:00:49,419 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 21:00:49,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-21 21:00:49,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 21:00:49,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 21:00:49,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 21:00:49,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 21:00:49,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 21:00:49,542 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 21:00:49,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 21:00:49,543 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 21:00:49,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 21:00:49,544 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 21:00:49,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 21:00:49,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 21:00:49,546 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 21:00:49,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 21:00:49,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 21:00:49,548 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 21:00:49,549 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 21:00:49,549 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 21:00:49,550 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 21:00:49,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 21:00:49,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 21:00:49,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 21:00:49,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 21:00:49,552 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 21:00:49,553 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 21:00:49,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 21:00:49,554 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 21:00:49,554 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 21:00:49,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 21:00:49,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:49,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 21:00:49,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 21:00:49,557 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 21:00:49,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 21:00:49,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 21:00:49,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 21:00:49,558 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 21:00:49,559 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 21:00:49,559 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 21:00:49,559 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_951952d2-e3d5-4551-a484-ab3dde9eaed6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee91797f6143b4fe80e7c90b0707f35813b28455783da5eca6bad66702efa7d7 [2023-11-21 21:00:49,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 21:00:49,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 21:00:50,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 21:00:50,001 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 21:00:50,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 21:00:50,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2023-11-21 21:00:53,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 21:00:53,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 21:00:53,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2023-11-21 21:00:53,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data/4ea947b0e/09e95830f7b14f8bb3578158f69a4915/FLAGae92de47d [2023-11-21 21:00:53,821 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/data/4ea947b0e/09e95830f7b14f8bb3578158f69a4915 [2023-11-21 21:00:53,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 21:00:53,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 21:00:53,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:53,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 21:00:53,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 21:00:53,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:53,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7673eebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:53, skipping insertion in model container [2023-11-21 21:00:53,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:00:53" (1/1) ... [2023-11-21 21:00:53,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:55,787 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:55,840 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 21:00:55,873 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 21:00:56,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:56,188 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 21:00:56,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 21:00:56,557 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 21:00:56,565 INFO L206 MainTranslator]: Completed translation [2023-11-21 21:00:56,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56 WrapperNode [2023-11-21 21:00:56,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 21:00:56,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:56,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 21:00:56,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 21:00:56,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,768 INFO L138 Inliner]: procedures = 482, calls = 840, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 985 [2023-11-21 21:00:56,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 21:00:56,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 21:00:56,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 21:00:56,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 21:00:56,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 21:00:56,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 21:00:56,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 21:00:56,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 21:00:56,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (1/1) ... [2023-11-21 21:00:56,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 21:00:56,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 21:00:56,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 21:00:57,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 21:00:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-21 21:00:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-21 21:00:57,038 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-21 21:00:57,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-21 21:00:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 21:00:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-21 21:00:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-21 21:00:57,039 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-21 21:00:57,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 21:00:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-21 21:00:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 21:00:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 21:00:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-21 21:00:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-21 21:00:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 21:00:57,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-21 21:00:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-21 21:00:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-21 21:00:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-21 21:00:57,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-21 21:00:57,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 21:00:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-21 21:00:57,045 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-21 21:00:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 21:00:57,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 21:00:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 21:00:57,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-21 21:00:57,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-21 21:00:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-21 21:00:57,047 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-21 21:00:57,047 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-21 21:00:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 21:00:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 21:00:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-21 21:00:57,048 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-21 21:00:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-21 21:00:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 21:00:57,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-21 21:00:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 21:00:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 21:00:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 21:00:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-21 21:00:57,049 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-21 21:00:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 21:00:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 21:00:57,049 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-21 21:00:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-21 21:00:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-21 21:00:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-21 21:00:57,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-21 21:00:57,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-21 21:00:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-21 21:00:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 21:00:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 21:00:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-21 21:00:57,051 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-21 21:00:57,051 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-21 21:00:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-21 21:00:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-21 21:00:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-21 21:00:57,052 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-21 21:00:57,052 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-21 21:00:57,053 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-21 21:00:57,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-21 21:00:57,054 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-21 21:00:57,054 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-21 21:00:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-21 21:00:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-21 21:00:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-21 21:00:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-21 21:00:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-21 21:00:57,055 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-21 21:00:57,055 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-21 21:00:57,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-21 21:00:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-21 21:00:57,057 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2023-11-21 21:00:57,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2023-11-21 21:00:57,503 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 21:00:57,507 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 21:01:03,847 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 21:01:04,346 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 21:01:04,347 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 21:01:04,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:04 BoogieIcfgContainer [2023-11-21 21:01:04,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 21:01:04,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 21:01:04,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 21:01:04,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 21:01:04,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:00:53" (1/3) ... [2023-11-21 21:01:04,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6044c782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:04, skipping insertion in model container [2023-11-21 21:01:04,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:00:56" (2/3) ... [2023-11-21 21:01:04,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6044c782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:01:04, skipping insertion in model container [2023-11-21 21:01:04,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:01:04" (3/3) ... [2023-11-21 21:01:04,359 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb_p.i [2023-11-21 21:01:04,381 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 21:01:04,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2023-11-21 21:01:04,466 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 21:01:04,476 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;@20bda1c5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 21:01:04,476 INFO L358 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2023-11-21 21:01:04,484 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 21:01:04,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 21:01:04,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:04,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 21:01:04,494 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 21:01:04,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:04,506 INFO L85 PathProgramCache]: Analyzing trace with hash 40286083, now seen corresponding path program 1 times [2023-11-21 21:01:04,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:01:04,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1642854483] [2023-11-21 21:01:04,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:04,528 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 21:01:04,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:01:04,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:04,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:05,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 21:01:05,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:05,292 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 21:01:05,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:05,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:01:05,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1642854483] [2023-11-21 21:01:05,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1642854483] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:05,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:05,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:01:05,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720327093] [2023-11-21 21:01:05,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:05,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:01:05,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:01:05,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:01:05,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:05,353 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 21:01:07,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:09,402 WARN L539 Checker$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 21:01:11,409 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 21:01:15,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:15,650 INFO L93 Difference]: Finished difference Result 1041 states and 1241 transitions. [2023-11-21 21:01:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:01:15,654 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 21:01:15,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:15,676 INFO L225 Difference]: With dead ends: 1041 [2023-11-21 21:01:15,677 INFO L226 Difference]: Without dead ends: 1039 [2023-11-21 21:01:15,678 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 21:01:15,682 INFO L413 NwaCegarLoop]: 553 mSDtfsCounter, 586 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1756 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:15,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1756 Invalid, 1282 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1275 Invalid, 3 Unknown, 0 Unchecked, 10.0s Time] [2023-11-21 21:01:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2023-11-21 21:01:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 847. [2023-11-21 21:01:15,795 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 21:01:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1182 transitions. [2023-11-21 21:01:15,805 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1182 transitions. Word has length 4 [2023-11-21 21:01:15,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:15,805 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1182 transitions. [2023-11-21 21:01:15,805 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 21:01:15,806 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1182 transitions. [2023-11-21 21:01:15,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 21:01:15,806 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:15,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 21:01:15,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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)] Ended with exit code 0 [2023-11-21 21:01:16,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:16,012 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 21:01:16,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:16,012 INFO L85 PathProgramCache]: Analyzing trace with hash 40286084, now seen corresponding path program 1 times [2023-11-21 21:01:16,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:01:16,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1489303791] [2023-11-21 21:01:16,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:16,014 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 21:01:16,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:01:16,015 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:16,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:16,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 21:01:16,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:16,725 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 21:01:16,726 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:16,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:01:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1489303791] [2023-11-21 21:01:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1489303791] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:16,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:16,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 21:01:16,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025838131] [2023-11-21 21:01:16,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:16,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 21:01:16,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:01:16,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 21:01:16,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 21:01:16,729 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 21:01:18,758 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 21:01:20,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 21:01:22,771 WARN L539 Checker$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 21:01:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:27,437 INFO L93 Difference]: Finished difference Result 966 states and 1261 transitions. [2023-11-21 21:01:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 21:01:27,438 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 21:01:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:27,448 INFO L225 Difference]: With dead ends: 966 [2023-11-21 21:01:27,448 INFO L226 Difference]: Without dead ends: 966 [2023-11-21 21:01:27,449 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 21:01:27,450 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 236 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s 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, 10.5s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:27,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1967 Invalid, 1040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1036 Invalid, 3 Unknown, 0 Unchecked, 10.5s Time] [2023-11-21 21:01:27,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2023-11-21 21:01:27,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 908. [2023-11-21 21:01:27,501 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 21:01:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1258 transitions. [2023-11-21 21:01:27,510 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1258 transitions. Word has length 4 [2023-11-21 21:01:27,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:27,510 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1258 transitions. [2023-11-21 21:01:27,511 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 21:01:27,511 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1258 transitions. [2023-11-21 21:01:27,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 21:01:27,511 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:27,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:27,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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)] Ended with exit code 0 [2023-11-21 21:01:27,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:27,717 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 21:01:27,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:27,717 INFO L85 PathProgramCache]: Analyzing trace with hash -139118584, now seen corresponding path program 1 times [2023-11-21 21:01:27,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:01:27,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823266428] [2023-11-21 21:01:27,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:27,719 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 21:01:27,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:01:27,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:27,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:28,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 21:01:28,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:28,421 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 21:01:28,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:28,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:01:28,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823266428] [2023-11-21 21:01:28,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823266428] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:28,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:28,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 21:01:28,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524165278] [2023-11-21 21:01:28,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:28,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 21:01:28,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:01:28,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 21:01:28,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 21:01:28,425 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 21:01:30,454 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 21:01:32,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 21:01:32,870 INFO L93 Difference]: Finished difference Result 1093 states and 1310 transitions. [2023-11-21 21:01:32,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 21:01:32,870 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 21:01:32,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 21:01:32,879 INFO L225 Difference]: With dead ends: 1093 [2023-11-21 21:01:32,880 INFO L226 Difference]: Without dead ends: 1093 [2023-11-21 21:01:32,882 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 21:01:32,891 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 563 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.4s IncrementalHoareTripleChecker+Time [2023-11-21 21:01:32,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 938 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 469 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2023-11-21 21:01:32,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2023-11-21 21:01:32,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 907. [2023-11-21 21:01:32,968 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 21:01:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1253 transitions. [2023-11-21 21:01:32,982 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1253 transitions. Word has length 9 [2023-11-21 21:01:32,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 21:01:32,983 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1253 transitions. [2023-11-21 21:01:32,983 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 21:01:32,985 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1253 transitions. [2023-11-21 21:01:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 21:01:32,986 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 21:01:32,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 21:01:32,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:33,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:33,196 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 21:01:33,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 21:01:33,197 INFO L85 PathProgramCache]: Analyzing trace with hash -139118583, now seen corresponding path program 1 times [2023-11-21 21:01:33,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 21:01:33,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657185873] [2023-11-21 21:01:33,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 21:01:33,198 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 21:01:33,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 21:01:33,200 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:33,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_951952d2-e3d5-4551-a484-ab3dde9eaed6/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 21:01:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 21:01:33,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 21:01:33,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 21:01:33,936 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 21:01:33,936 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 21:01:33,936 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 21:01:33,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657185873] [2023-11-21 21:01:33,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657185873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 21:01:33,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 21:01:33,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 21:01:33,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572548998] [2023-11-21 21:01:33,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 21:01:33,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 21:01:33,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 21:01:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 21:01:33,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 21:01:33,939 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)