./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu --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 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:34,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:34,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-19 07:46:34,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:34,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:34,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:34,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:34,883 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:34,884 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:34,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:34,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:34,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:34,894 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:34,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:34,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:34,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:34,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:34,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:34,899 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:46:34,900 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:46:34,900 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:46:34,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:34,902 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:46:34,902 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:34,903 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:34,903 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:34,904 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:34,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:34,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:34,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:34,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:34,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:34,909 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:46:34,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:46:34,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:34,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:34,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:34,910 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:34,910 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_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 [2023-11-19 07:46:35,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:35,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:35,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:35,276 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:35,277 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:35,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2023-11-19 07:46:38,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:39,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:39,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2023-11-19 07:46:39,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data/04eaa7c61/fa704c8ff1a34a74a5c192167e8556aa/FLAG47cd2ee4f [2023-11-19 07:46:39,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data/04eaa7c61/fa704c8ff1a34a74a5c192167e8556aa [2023-11-19 07:46:39,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:39,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:39,741 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:39,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:39,748 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:39,749 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:39" (1/1) ... [2023-11-19 07:46:39,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704fb949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:39, skipping insertion in model container [2023-11-19 07:46:39,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:39" (1/1) ... [2023-11-19 07:46:39,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:41,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:41,926 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) [2023-11-19 07:46:41,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ab8650a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:41, skipping insertion in model container [2023-11-19 07:46:41,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:41,930 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-19 07:46:41,932 INFO L158 Benchmark]: Toolchain (without parser) took 2194.82ms. Allocated memory is still 155.2MB. Free memory was 121.5MB in the beginning and 118.2MB in the end (delta: 3.2MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-19 07:46:41,933 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 100.7MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:46:41,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2188.92ms. Allocated memory is still 155.2MB. Free memory was 121.5MB in the beginning and 118.2MB in the end (delta: 3.2MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2023-11-19 07:46:41,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 100.7MB. Free memory was 52.3MB in the beginning and 52.2MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2188.92ms. Allocated memory is still 155.2MB. Free memory was 121.5MB in the beginning and 118.2MB in the end (delta: 3.2MB). Peak memory consumption was 49.2MB. 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_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu --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 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:46:45,079 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:46:45,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-19 07:46:45,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:46:45,264 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:46:45,323 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:46:45,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:46:45,325 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:46:45,326 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:46:45,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:46:45,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:46:45,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:46:45,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:46:45,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:46:45,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:46:45,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:46:45,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:46:45,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:46:45,340 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 07:46:45,342 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 07:46:45,342 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 07:46:45,343 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:46:45,344 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:46:45,344 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:46:45,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:46:45,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:46:45,346 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:46:45,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:46:45,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:46:45,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:46:45,350 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:46:45,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:45,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:46:45,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:46:45,352 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:46:45,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:46:45,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:46:45,353 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:46:45,353 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:46:45,355 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:46:45,355 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:46:45,356 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_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9935ba6b05a3c7e4f0c65d8e33bc471835cb8eb350ac893c3dd9a00ab8c4f5 [2023-11-19 07:46:45,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:46:45,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:46:45,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:46:45,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:46:45,926 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:46:45,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2023-11-19 07:46:49,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:46:50,355 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:46:50,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl.i [2023-11-19 07:46:50,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data/6bdf386f3/b2a6cbac3b034c9e9f5ebd7be8183071/FLAG121984cda [2023-11-19 07:46:50,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/data/6bdf386f3/b2a6cbac3b034c9e9f5ebd7be8183071 [2023-11-19 07:46:50,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:46:50,448 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:46:50,451 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:50,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:46:50,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:46:50,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,461 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54463e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:50, skipping insertion in model container [2023-11-19 07:46:50,461 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:46:50" (1/1) ... [2023-11-19 07:46:50,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:52,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:52,696 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-19 07:46:52,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:46:52,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:52,887 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:46:53,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:46:53,437 WARN L675 CHandler]: The function __VERIFIER_nondet_sector_t is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:46:53,450 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:46:53,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53 WrapperNode [2023-11-19 07:46:53,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:46:53,453 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:53,453 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:46:53,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:46:53,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,711 INFO L138 Inliner]: procedures = 482, calls = 840, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 985 [2023-11-19 07:46:53,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:46:53,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:46:53,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:46:53,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:46:53,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,759 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,837 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:46:53,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:46:53,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:46:53,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:46:53,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (1/1) ... [2023-11-19 07:46:53,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:46:53,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:46:53,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:46:53,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:46:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2023-11-19 07:46:54,036 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2023-11-19 07:46:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-19 07:46:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2023-11-19 07:46:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 07:46:54,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2023-11-19 07:46:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-19 07:46:54,038 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-19 07:46:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:46:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 07:46:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:46:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 07:46:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-19 07:46:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-19 07:46:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 07:46:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2023-11-19 07:46:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2023-11-19 07:46:54,042 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2023-11-19 07:46:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-19 07:46:54,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2023-11-19 07:46:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:46:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2023-11-19 07:46:54,044 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2023-11-19 07:46:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:46:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:46:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:46:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-19 07:46:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2023-11-19 07:46:54,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2023-11-19 07:46:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2023-11-19 07:46:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2023-11-19 07:46:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:46:54,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:46:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2023-11-19 07:46:54,049 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2023-11-19 07:46:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2023-11-19 07:46:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 07:46:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 07:46:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 07:46:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:46:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:46:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-19 07:46:54,050 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-19 07:46:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:46:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:46:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2023-11-19 07:46:54,051 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2023-11-19 07:46:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2023-11-19 07:46:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2023-11-19 07:46:54,052 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2023-11-19 07:46:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 07:46:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 07:46:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 07:46:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:46:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-19 07:46:54,053 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-19 07:46:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2023-11-19 07:46:54,054 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2023-11-19 07:46:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2023-11-19 07:46:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2023-11-19 07:46:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2023-11-19 07:46:54,055 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2023-11-19 07:46:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2023-11-19 07:46:54,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2023-11-19 07:46:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2023-11-19 07:46:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2023-11-19 07:46:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-19 07:46:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2023-11-19 07:46:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2023-11-19 07:46:54,059 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2023-11-19 07:46:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-19 07:46:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2023-11-19 07:46:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2023-11-19 07:46:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-19 07:46:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-19 07:46:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2023-11-19 07:46:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2023-11-19 07:46:54,681 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:46:54,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:01,739 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:01,791 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:01,791 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:47:01,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:01 BoogieIcfgContainer [2023-11-19 07:47:01,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:01,811 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:01,812 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:01,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:01,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:46:50" (1/3) ... [2023-11-19 07:47:01,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294450b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:01, skipping insertion in model container [2023-11-19 07:47:01,819 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:46:53" (2/3) ... [2023-11-19 07:47:01,821 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@294450b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:01, skipping insertion in model container [2023-11-19 07:47:01,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:01" (3/3) ... [2023-11-19 07:47:01,824 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inl.i [2023-11-19 07:47:01,849 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:01,849 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2023-11-19 07:47:01,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:01,963 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;@bab971b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:01,963 INFO L358 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2023-11-19 07:47:01,971 INFO L276 IsEmpty]: Start isEmpty. Operand has 665 states, 355 states have (on average 1.819718309859155) internal successors, (646), 566 states have internal predecessors, (646), 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) [2023-11-19 07:47:01,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 07:47:01,981 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:01,982 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:47:01,982 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)] === [2023-11-19 07:47:01,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:01,991 INFO L85 PathProgramCache]: Analyzing trace with hash 331999555, now seen corresponding path program 1 times [2023-11-19 07:47:02,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:02,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748352640] [2023-11-19 07:47:02,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:02,020 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 [2023-11-19 07:47:02,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:02,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:02,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:02,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:47:02,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:02,947 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:02,948 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:02,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748352640] [2023-11-19 07:47:02,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748352640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:02,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:02,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:02,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543262770] [2023-11-19 07:47:02,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:02,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:02,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:02,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:02,998 INFO L87 Difference]: Start difference. First operand has 665 states, 355 states have (on average 1.819718309859155) internal successors, (646), 566 states have internal predecessors, (646), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:05,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:07,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:11,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:11,402 INFO L93 Difference]: Finished difference Result 1202 states and 1439 transitions. [2023-11-19 07:47:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:47:11,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 07:47:11,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:11,438 INFO L225 Difference]: With dead ends: 1202 [2023-11-19 07:47:11,438 INFO L226 Difference]: Without dead ends: 1198 [2023-11-19 07:47:11,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:47:11,442 INFO L413 NwaCegarLoop]: 668 mSDtfsCounter, 685 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 2219 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:11,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 2219 Invalid, 1117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1111 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2023-11-19 07:47:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2023-11-19 07:47:11,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 985. [2023-11-19 07:47:11,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 592 states have (on average 1.802364864864865) internal successors, (1067), 814 states have internal predecessors, (1067), 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) [2023-11-19 07:47:11,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1343 transitions. [2023-11-19 07:47:11,565 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1343 transitions. Word has length 5 [2023-11-19 07:47:11,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:11,566 INFO L495 AbstractCegarLoop]: Abstraction has 985 states and 1343 transitions. [2023-11-19 07:47:11,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1343 transitions. [2023-11-19 07:47:11,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 07:47:11,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:11,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 07:47:11,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:11,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:11,776 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)] === [2023-11-19 07:47:11,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:11,777 INFO L85 PathProgramCache]: Analyzing trace with hash 331999556, now seen corresponding path program 1 times [2023-11-19 07:47:11,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:11,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [667314098] [2023-11-19 07:47:11,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:11,778 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 [2023-11-19 07:47:11,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:11,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:11,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:12,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:47:12,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:12,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:12,395 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:12,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:12,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [667314098] [2023-11-19 07:47:12,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [667314098] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:12,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:12,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:47:12,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786296797] [2023-11-19 07:47:12,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:12,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:47:12,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:12,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:47:12,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:47:12,399 INFO L87 Difference]: Start difference. First operand 985 states and 1343 transitions. Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:14,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:16,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 07:47:19,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:19,884 INFO L93 Difference]: Finished difference Result 1117 states and 1435 transitions. [2023-11-19 07:47:19,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:47:19,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 07:47:19,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:19,895 INFO L225 Difference]: With dead ends: 1117 [2023-11-19 07:47:19,895 INFO L226 Difference]: Without dead ends: 1117 [2023-11-19 07:47:19,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:47:19,898 INFO L413 NwaCegarLoop]: 825 mSDtfsCounter, 268 mSDsluCounter, 1764 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:19,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 2589 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 865 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2023-11-19 07:47:19,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2023-11-19 07:47:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1058. [2023-11-19 07:47:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 633 states have (on average 1.764612954186414) internal successors, (1117), 856 states have internal predecessors, (1117), 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) [2023-11-19 07:47:19,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1431 transitions. [2023-11-19 07:47:19,993 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1431 transitions. Word has length 5 [2023-11-19 07:47:19,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:19,994 INFO L495 AbstractCegarLoop]: Abstraction has 1058 states and 1431 transitions. [2023-11-19 07:47:19,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:47:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1431 transitions. [2023-11-19 07:47:19,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:47:19,995 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:19,996 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:20,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:20,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:20,201 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)] === [2023-11-19 07:47:20,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:20,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1852094909, now seen corresponding path program 1 times [2023-11-19 07:47:20,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:20,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957446242] [2023-11-19 07:47:20,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:20,203 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 [2023-11-19 07:47:20,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:20,205 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:20,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:20,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:47:20,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:20,895 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:20,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:20,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957446242] [2023-11-19 07:47:20,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957446242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:20,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:20,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:47:20,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431905296] [2023-11-19 07:47:20,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:20,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:47:20,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:20,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:47:20,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:20,900 INFO L87 Difference]: Start difference. First operand 1058 states and 1431 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:47:22,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:22,955 INFO L93 Difference]: Finished difference Result 1264 states and 1518 transitions. [2023-11-19 07:47:22,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:47:22,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2023-11-19 07:47:22,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:22,966 INFO L225 Difference]: With dead ends: 1264 [2023-11-19 07:47:22,967 INFO L226 Difference]: Without dead ends: 1264 [2023-11-19 07:47:22,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:47:22,968 INFO L413 NwaCegarLoop]: 683 mSDtfsCounter, 658 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 658 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:22,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [658 Valid, 1227 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-19 07:47:22,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2023-11-19 07:47:23,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1057. [2023-11-19 07:47:23,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 633 states have (on average 1.7567140600315956) internal successors, (1112), 855 states have internal predecessors, (1112), 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) [2023-11-19 07:47:23,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1426 transitions. [2023-11-19 07:47:23,020 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1426 transitions. Word has length 11 [2023-11-19 07:47:23,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:23,020 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1426 transitions. [2023-11-19 07:47:23,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:47:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1426 transitions. [2023-11-19 07:47:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 07:47:23,021 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:23,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:23,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:23,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:23,230 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)] === [2023-11-19 07:47:23,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:23,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1852094908, now seen corresponding path program 1 times [2023-11-19 07:47:23,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:47:23,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1636162101] [2023-11-19 07:47:23,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:23,234 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 [2023-11-19 07:47:23,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:47:23,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:47:23,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f175a1b-d949-444f-be7b-83ceb025549f/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:47:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:23,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:47:23,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:47:24,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:24,099 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:47:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1636162101] [2023-11-19 07:47:24,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1636162101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:24,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:24,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:24,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053071938] [2023-11-19 07:47:24,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:24,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:47:24,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:47:24,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:47:24,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:47:24,102 INFO L87 Difference]: Start difference. First operand 1057 states and 1426 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)