./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ntdrivers/floppy.i.cil-2.c --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_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/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_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers/floppy.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/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_7809abab-e8c5-4051-a187-7da9570d1ea7/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 1ee6b6d5bc7cebdd9c452f4083e9e0b3d414ca737630250ef206af8fd5ee01ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:27:10,071 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:27:10,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-21 22:27:10,207 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:27:10,208 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:27:10,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:27:10,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:27:10,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:27:10,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:27:10,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:27:10,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:27:10,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:27:10,260 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:27:10,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:27:10,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:27:10,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:27:10,263 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:27:10,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:27:10,264 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:27:10,265 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:27:10,265 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:27:10,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:27:10,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:27:10,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:27:10,267 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:27:10,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:27:10,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:27:10,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:27:10,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:27:10,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:27:10,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:10,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:27:10,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:27:10,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:27:10,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:27:10,272 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:27:10,272 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:27:10,272 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:27:10,273 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:27:10,273 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_7809abab-e8c5-4051-a187-7da9570d1ea7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee6b6d5bc7cebdd9c452f4083e9e0b3d414ca737630250ef206af8fd5ee01ae [2023-11-21 22:27:10,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:27:10,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:27:10,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:27:10,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:27:10,662 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:27:10,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ntdrivers/floppy.i.cil-2.c [2023-11-21 22:27:13,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:14,343 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:14,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/sv-benchmarks/c/ntdrivers/floppy.i.cil-2.c [2023-11-21 22:27:14,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data/ef64f20d3/106da676cf9742e1a11c922412275430/FLAGc437ac1c1 [2023-11-21 22:27:14,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data/ef64f20d3/106da676cf9742e1a11c922412275430 [2023-11-21 22:27:14,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:14,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:14,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:14,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:14,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:14,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:14" (1/1) ... [2023-11-21 22:27:14,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1268f8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:14, skipping insertion in model container [2023-11-21 22:27:14,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:14" (1/1) ... [2023-11-21 22:27:14,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:15,526 WARN L580 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2023-11-21 22:27:15,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:16,066 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-21 22:27:16,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d649d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:16, skipping insertion in model container [2023-11-21 22:27:16,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:16,067 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 22:27:16,070 INFO L158 Benchmark]: Toolchain (without parser) took 1626.97ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 95.3MB in the beginning and 147.7MB in the end (delta: -52.4MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-21 22:27:16,070 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:27:16,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1620.55ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 95.3MB in the beginning and 147.7MB in the end (delta: -52.4MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. [2023-11-21 22:27:16,074 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 111.1MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1620.55ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 95.3MB in the beginning and 147.7MB in the end (delta: -52.4MB). Peak memory consumption was 56.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2234]: 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_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/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_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ntdrivers/floppy.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/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_7809abab-e8c5-4051-a187-7da9570d1ea7/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 1ee6b6d5bc7cebdd9c452f4083e9e0b3d414ca737630250ef206af8fd5ee01ae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:27:18,482 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:27:18,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-21 22:27:18,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:27:18,640 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:27:18,690 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:27:18,691 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:27:18,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:27:18,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:27:18,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:27:18,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:27:18,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:27:18,700 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:27:18,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:27:18,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:27:18,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:27:18,704 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:27:18,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:27:18,704 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 22:27:18,705 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 22:27:18,705 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 22:27:18,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:27:18,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:27:18,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:27:18,707 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:27:18,707 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:27:18,708 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:27:18,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:27:18,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:27:18,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:27:18,711 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:27:18,711 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:27:18,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:18,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:27:18,712 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:27:18,713 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:27:18,713 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:27:18,713 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:27:18,713 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:27:18,714 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:27:18,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:27:18,715 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:27:18,715 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_7809abab-e8c5-4051-a187-7da9570d1ea7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ee6b6d5bc7cebdd9c452f4083e9e0b3d414ca737630250ef206af8fd5ee01ae [2023-11-21 22:27:19,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:27:19,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:27:19,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:27:19,151 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:27:19,152 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:27:19,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/ntdrivers/floppy.i.cil-2.c [2023-11-21 22:27:22,341 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:22,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:22,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/sv-benchmarks/c/ntdrivers/floppy.i.cil-2.c [2023-11-21 22:27:23,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data/ed6a6d7a7/f751dc1afbe64700a8431a815db97890/FLAG4c0e5900f [2023-11-21 22:27:23,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/data/ed6a6d7a7/f751dc1afbe64700a8431a815db97890 [2023-11-21 22:27:23,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:23,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:23,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:23,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:23,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:23,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:23" (1/1) ... [2023-11-21 22:27:23,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@171885ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:23, skipping insertion in model container [2023-11-21 22:27:23,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:23" (1/1) ... [2023-11-21 22:27:23,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:24,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:24,771 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 22:27:24,821 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:25,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:25,290 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:27:25,302 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [11] [2023-11-21 22:27:25,304 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [14] [2023-11-21 22:27:25,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [15] [2023-11-21 22:27:25,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [16] [2023-11-21 22:27:25,305 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [177] [2023-11-21 22:27:25,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [183] [2023-11-21 22:27:25,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [428] [2023-11-21 22:27:25,306 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [482] [2023-11-21 22:27:25,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [502] [2023-11-21 22:27:25,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [503] [2023-11-21 22:27:25,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1205] [2023-11-21 22:27:25,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1378] [2023-11-21 22:27:25,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1457] [2023-11-21 22:27:25,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1458] [2023-11-21 22:27:25,308 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1459] [2023-11-21 22:27:25,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1460] [2023-11-21 22:27:25,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1461] [2023-11-21 22:27:25,309 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1462] [2023-11-21 22:27:25,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1463] [2023-11-21 22:27:25,310 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1464] [2023-11-21 22:27:25,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1465] [2023-11-21 22:27:25,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1466] [2023-11-21 22:27:25,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,8) [1711] [2023-11-21 22:27:25,311 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1712] [2023-11-21 22:27:25,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1715] [2023-11-21 22:27:25,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1716] [2023-11-21 22:27:25,312 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1717] [2023-11-21 22:27:25,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1718] [2023-11-21 22:27:25,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,1) [1719] [2023-11-21 22:27:25,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1720] [2023-11-21 22:27:25,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(push,4) [1727] [2023-11-21 22:27:25,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma pack(pop) [1728] [2023-11-21 22:27:25,314 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1731] [2023-11-21 22:27:25,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1732] [2023-11-21 22:27:25,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1733] [2023-11-21 22:27:25,315 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1737] [2023-11-21 22:27:25,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1738] [2023-11-21 22:27:25,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1760] [2023-11-21 22:27:25,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1761] [2023-11-21 22:27:25,317 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1762] [2023-11-21 22:27:25,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [1768] [2023-11-21 22:27:25,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [1769] [2023-11-21 22:27:25,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [1770] [2023-11-21 22:27:25,318 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [1771] [2023-11-21 22:27:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [1772] [2023-11-21 22:27:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [1773] [2023-11-21 22:27:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1774] [2023-11-21 22:27:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1775] [2023-11-21 22:27:25,319 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1776] [2023-11-21 22:27:25,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1777] [2023-11-21 22:27:25,320 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1831] [2023-11-21 22:27:25,321 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1832] [2023-11-21 22:27:25,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [1896] [2023-11-21 22:27:25,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [1897] [2023-11-21 22:27:25,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1909] [2023-11-21 22:27:25,322 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1910] [2023-11-21 22:27:25,323 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1911] [2023-11-21 22:27:25,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1912] [2023-11-21 22:27:25,324 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1913] [2023-11-21 22:27:25,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1914] [2023-11-21 22:27:25,325 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1915] [2023-11-21 22:27:25,327 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1916] [2023-11-21 22:27:25,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1917] [2023-11-21 22:27:25,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [1918] [2023-11-21 22:27:25,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(INIT,DriverEntry) [2057] [2023-11-21 22:27:25,328 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FloppyAddDevice) [2058] [2023-11-21 22:27:25,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FloppyPnp) [2059] [2023-11-21 22:27:25,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FloppyPower) [2060] [2023-11-21 22:27:25,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlConfigCallBack) [2061] [2023-11-21 22:27:25,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlInitializeControllerHardware) [2062] [2023-11-21 22:27:25,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlInterpretError) [2063] [2023-11-21 22:27:25,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlDatarateSpecifyConfigure) [2064] [2023-11-21 22:27:25,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlRecalibrateDrive) [2065] [2023-11-21 22:27:25,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlDetermineMediaType) [2066] [2023-11-21 22:27:25,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlCheckBootSector) [2067] [2023-11-21 22:27:25,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlConsolidateMediaTypeWithBootSector) [2068] [2023-11-21 22:27:25,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlIssueCommand) [2069] [2023-11-21 22:27:25,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlReadWriteTrack) [2070] [2023-11-21 22:27:25,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlReadWrite) [2071] [2023-11-21 22:27:25,331 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlFormat) [2072] [2023-11-21 22:27:25,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlFinishOperation) [2073] [2023-11-21 22:27:25,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlStartDrive) [2074] [2023-11-21 22:27:25,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FloppyThread) [2075] [2023-11-21 22:27:25,332 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlAllocateIoBuffer) [2076] [2023-11-21 22:27:25,333 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlFreeIoBuffer) [2077] [2023-11-21 22:27:25,334 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FloppyCreateClose) [2078] [2023-11-21 22:27:25,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FloppyDeviceControl) [2079] [2023-11-21 22:27:25,335 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FloppyReadWrite) [2080] [2023-11-21 22:27:25,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlCheckFormatParameters) [2081] [2023-11-21 22:27:25,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlFdcDeviceIo) [2082] [2023-11-21 22:27:25,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma alloc_text(PAGE,FlHdbit) [2083] [2023-11-21 22:27:25,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [6982] [2023-11-21 22:27:25,336 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [6983] [2023-11-21 22:27:25,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [6984] [2023-11-21 22:27:25,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [6985] [2023-11-21 22:27:25,337 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [6986] [2023-11-21 22:27:25,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [6987] [2023-11-21 22:27:25,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [6988] [2023-11-21 22:27:25,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [6989] [2023-11-21 22:27:25,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4035) [6990] [2023-11-21 22:27:25,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(push) [6991] [2023-11-21 22:27:25,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4164) [6992] [2023-11-21 22:27:25,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_enable) [6993] [2023-11-21 22:27:25,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma function(_disable) [6994] [2023-11-21 22:27:25,341 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(pop) [6995] [2023-11-21 22:27:25,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [6996] [2023-11-21 22:27:25,342 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [6997] [2023-11-21 22:27:25,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [6998] [2023-11-21 22:27:25,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [6999] [2023-11-21 22:27:25,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7000] [2023-11-21 22:27:25,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4103) [7001] [2023-11-21 22:27:25,343 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(disable:4200) [7002] [2023-11-21 22:27:25,344 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma warning(default:4200) [7003] [2023-11-21 22:27:25,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:25,771 WARN L675 CHandler]: The function swprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:27:25,771 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:27:25,779 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:27:25,780 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25 WrapperNode [2023-11-21 22:27:25,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:25,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:25,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:27:25,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:27:25,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:25,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,047 INFO L138 Inliner]: procedures = 140, calls = 2864, calls flagged for inlining = 37, calls inlined = 26, statements flattened = 2978 [2023-11-21 22:27:26,048 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:26,049 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:27:26,049 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:27:26,049 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:27:26,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,079 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,340 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:27:26,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:27:26,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:27:26,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:27:26,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (1/1) ... [2023-11-21 22:27:26,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:26,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:27:26,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:27:26,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:27:26,429 INFO L130 BoogieDeclarations]: Found specification of procedure IoGetConfigurationInformation [2023-11-21 22:27:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure IoGetConfigurationInformation [2023-11-21 22:27:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-21 22:27:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 22:27:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-21 22:27:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-21 22:27:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-21 22:27:26,430 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2023-11-21 22:27:26,430 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2023-11-21 22:27:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-21 22:27:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-21 22:27:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure IoSetDeviceInterfaceState [2023-11-21 22:27:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure IoSetDeviceInterfaceState [2023-11-21 22:27:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyCreateClose [2023-11-21 22:27:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyCreateClose [2023-11-21 22:27:26,431 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyPnpComplete [2023-11-21 22:27:26,431 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyPnpComplete [2023-11-21 22:27:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-21 22:27:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2023-11-21 22:27:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2023-11-21 22:27:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-21 22:27:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 22:27:26,432 INFO L130 BoogieDeclarations]: Found specification of procedure InterlockedExchange [2023-11-21 22:27:26,432 INFO L138 BoogieDeclarations]: Found implementation of procedure InterlockedExchange [2023-11-21 22:27:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-21 22:27:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:27:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:27:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2023-11-21 22:27:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2023-11-21 22:27:26,433 INFO L130 BoogieDeclarations]: Found specification of procedure FlQueueIrpToThread [2023-11-21 22:27:26,433 INFO L138 BoogieDeclarations]: Found implementation of procedure FlQueueIrpToThread [2023-11-21 22:27:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyDeviceControl [2023-11-21 22:27:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyDeviceControl [2023-11-21 22:27:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:27:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyProcessQueuedRequests [2023-11-21 22:27:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyProcessQueuedRequests [2023-11-21 22:27:26,434 INFO L130 BoogieDeclarations]: Found specification of procedure ExfInterlockedInsertTailList [2023-11-21 22:27:26,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ExfInterlockedInsertTailList [2023-11-21 22:27:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:27:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:27:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2023-11-21 22:27:26,435 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2023-11-21 22:27:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-21 22:27:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-21 22:27:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-21 22:27:26,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:27:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure FlFdcDeviceIo [2023-11-21 22:27:26,436 INFO L138 BoogieDeclarations]: Found implementation of procedure FlFdcDeviceIo [2023-11-21 22:27:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-21 22:27:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-21 22:27:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:27:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 22:27:26,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-21 22:27:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 22:27:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 22:27:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2023-11-21 22:27:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2023-11-21 22:27:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-21 22:27:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure FloppyQueueRequest [2023-11-21 22:27:26,437 INFO L138 BoogieDeclarations]: Found implementation of procedure FloppyQueueRequest [2023-11-21 22:27:26,437 INFO L130 BoogieDeclarations]: Found specification of procedure ExAllocatePoolWithTag [2023-11-21 22:27:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ExAllocatePoolWithTag [2023-11-21 22:27:26,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:27:26,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:27:27,040 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:27:27,046 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:27:27,107 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:27,144 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-21 22:27:27,144 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 22:27:27,154 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:28,037 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2023-11-21 22:27:28,037 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2023-11-21 22:27:28,124 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:28,153 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2023-11-21 22:27:28,153 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2023-11-21 22:27:28,209 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:28,232 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:30,395 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:30,479 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2023-11-21 22:27:30,480 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2023-11-21 22:27:30,483 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:30,484 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:30,485 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:31,151 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2023-11-21 22:27:31,151 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##24: assume !false; [2023-11-21 22:27:31,151 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##23: assume false; [2023-11-21 22:27:31,151 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2023-11-21 22:27:31,151 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume false; [2023-11-21 22:27:31,151 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !false; [2023-11-21 22:27:31,160 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:31,196 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:31,203 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:34,743 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2023-11-21 22:27:34,744 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2023-11-21 22:27:34,744 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##139: assume false; [2023-11-21 22:27:34,744 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##140: assume !false; [2023-11-21 22:27:34,744 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##124: assume !false; [2023-11-21 22:27:34,744 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##123: assume false; [2023-11-21 22:27:35,002 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,134 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##4: assume !false; [2023-11-21 22:27:35,134 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##3: assume false; [2023-11-21 22:27:35,152 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,182 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,186 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,199 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,201 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,210 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,215 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:35,218 WARN L820 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2023-11-21 22:27:40,938 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##210: assume false; [2023-11-21 22:27:40,938 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##211: assume !false; [2023-11-21 22:27:40,938 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##97: assume !false; [2023-11-21 22:27:40,938 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##96: assume false; [2023-11-21 22:27:40,938 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##76: assume false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##177: assume !false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##176: assume false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##77: assume !false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##48: assume !false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##47: assume false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##27: assume !false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##26: assume false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##162: assume false; [2023-11-21 22:27:40,939 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##163: assume !false; [2023-11-21 22:27:40,940 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##108: assume !false; [2023-11-21 22:27:40,940 INFO L774 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##107: assume false; [2023-11-21 22:27:40,964 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:27:42,278 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:27:42,279 INFO L308 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-21 22:27:42,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:42 BoogieIcfgContainer [2023-11-21 22:27:42,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:27:42,284 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:27:42,284 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:27:42,288 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:27:42,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:27:23" (1/3) ... [2023-11-21 22:27:42,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5839060d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:42, skipping insertion in model container [2023-11-21 22:27:42,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:25" (2/3) ... [2023-11-21 22:27:42,290 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5839060d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:42, skipping insertion in model container [2023-11-21 22:27:42,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:42" (3/3) ... [2023-11-21 22:27:42,291 INFO L112 eAbstractionObserver]: Analyzing ICFG floppy.i.cil-2.c [2023-11-21 22:27:42,312 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:27:42,313 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 920 error locations. [2023-11-21 22:27:42,393 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:27:42,401 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;@4cbc0925, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:27:42,401 INFO L358 AbstractCegarLoop]: Starting to check reachability of 920 error locations. [2023-11-21 22:27:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 1757 states, 736 states have (on average 2.479619565217391) internal successors, (1825), 1680 states have internal predecessors, (1825), 89 states have call successors, (89), 19 states have call predecessors, (89), 19 states have return successors, (89), 83 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-21 22:27:42,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 22:27:42,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:42,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-21 22:27:42,421 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [FloppyProcessQueuedRequestsErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, FloppyProcessQueuedRequestsErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 918 more)] === [2023-11-21 22:27:42,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:42,428 INFO L85 PathProgramCache]: Analyzing trace with hash 111031, now seen corresponding path program 1 times [2023-11-21 22:27:42,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:42,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68290991] [2023-11-21 22:27:42,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:42,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:27:42,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:42,516 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:27:42,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-21 22:27:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:44,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:27:44,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:27:44,583 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-21 22:27:44,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 22 [2023-11-21 22:27:44,635 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-21 22:27:44,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-21 22:27:44,712 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-21 22:27:44,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 22 [2023-11-21 22:27:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:27:44,791 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-21 22:27:44,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-21 22:27:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:27:44,891 INFO L349 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2023-11-21 22:27:44,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 29 [2023-11-21 22:27:44,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:27:44,992 INFO L349 Elim1Store]: treesize reduction 60, result has 10.4 percent of original size [2023-11-21 22:27:44,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 29 [2023-11-21 22:27:45,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:27:45,099 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:27:45,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:27:45,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68290991] [2023-11-21 22:27:45,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [68290991] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:27:45,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:27:45,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:27:45,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720056617] [2023-11-21 22:27:45,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:27:45,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:27:45,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:27:45,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:27:45,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:27:45,144 INFO L87 Difference]: Start difference. First operand has 1757 states, 736 states have (on average 2.479619565217391) internal successors, (1825), 1680 states have internal predecessors, (1825), 89 states have call successors, (89), 19 states have call predecessors, (89), 19 states have return successors, (89), 83 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:27:59,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:27:59,873 INFO L93 Difference]: Finished difference Result 1747 states and 1966 transitions. [2023-11-21 22:27:59,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:27:59,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2023-11-21 22:27:59,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:27:59,901 INFO L225 Difference]: With dead ends: 1747 [2023-11-21 22:27:59,902 INFO L226 Difference]: Without dead ends: 1746 [2023-11-21 22:27:59,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:27:59,906 INFO L413 NwaCegarLoop]: 1763 mSDtfsCounter, 36 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-21 22:27:59,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 2755 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1139 Invalid, 0 Unknown, 0 Unchecked, 14.5s Time] [2023-11-21 22:27:59,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2023-11-21 22:28:00,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 1746. [2023-11-21 22:28:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1746 states, 736 states have (on average 2.4592391304347827) internal successors, (1810), 1669 states have internal predecessors, (1810), 89 states have call successors, (89), 19 states have call predecessors, (89), 18 states have return successors, (66), 64 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-21 22:28:00,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 1965 transitions. [2023-11-21 22:28:00,070 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 1965 transitions. Word has length 2 [2023-11-21 22:28:00,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:28:00,071 INFO L495 AbstractCegarLoop]: Abstraction has 1746 states and 1965 transitions. [2023-11-21 22:28:00,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 1965 transitions. [2023-11-21 22:28:00,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 22:28:00,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:28:00,075 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2023-11-21 22:28:00,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:00,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:28:00,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [FloppyProcessQueuedRequestsErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, FloppyProcessQueuedRequestsErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 918 more)] === [2023-11-21 22:28:00,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:00,285 INFO L85 PathProgramCache]: Analyzing trace with hash 111032, now seen corresponding path program 1 times [2023-11-21 22:28:00,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:28:00,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1333082885] [2023-11-21 22:28:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:00,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-21 22:28:00,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:28:00,321 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-21 22:28:00,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7809abab-e8c5-4051-a187-7da9570d1ea7/bin/uautomizer-verify-bycVGegfSx/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-21 22:28:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:01,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:28:01,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:01,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:28:02,045 INFO L349 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2023-11-21 22:28:02,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 24 [2023-11-21 22:28:02,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-21 22:28:02,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:28:02,297 INFO L349 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2023-11-21 22:28:02,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 27 [2023-11-21 22:28:02,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-21 22:28:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:28:02,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:28:02,513 INFO L349 Elim1Store]: treesize reduction 18, result has 45.5 percent of original size [2023-11-21 22:28:02,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 20 [2023-11-21 22:28:02,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:28:02,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-21 22:28:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:02,652 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:28:02,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-21 22:28:02,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1333082885] [2023-11-21 22:28:02,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1333082885] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:02,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:02,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-21 22:28:02,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449109277] [2023-11-21 22:28:02,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:02,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:28:02,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-21 22:28:02,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:28:02,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:28:02,656 INFO L87 Difference]: Start difference. First operand 1746 states and 1965 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)