./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 16:33:48,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 16:33:48,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-24 16:33:48,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 16:33:48,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 16:33:48,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 16:33:48,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 16:33:48,914 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 16:33:48,915 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 16:33:48,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 16:33:48,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 16:33:48,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 16:33:48,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 16:33:48,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 16:33:48,918 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 16:33:48,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 16:33:48,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 16:33:48,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 16:33:48,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 16:33:48,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 16:33:48,922 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 16:33:48,922 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 16:33:48,922 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 16:33:48,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 16:33:48,923 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 16:33:48,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 16:33:48,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 16:33:48,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 16:33:48,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 16:33:48,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 16:33:48,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 16:33:48,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 16:33:48,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 16:33:48,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:33:48,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 16:33:48,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 16:33:48,925 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 16:33:48,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 16:33:48,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 16:33:48,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 16:33:48,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 16:33:48,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 16:33:48,926 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2024-10-24 16:33:49,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 16:33:49,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 16:33:49,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 16:33:49,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 16:33:49,154 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 16:33:49,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2024-10-24 16:33:50,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 16:33:50,772 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 16:33:50,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2024-10-24 16:33:50,799 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb0b8811/5ed57d37001849738724293fcf7b8e1e/FLAG89d32a1bb [2024-10-24 16:33:51,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acb0b8811/5ed57d37001849738724293fcf7b8e1e [2024-10-24 16:33:51,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 16:33:51,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 16:33:51,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 16:33:51,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 16:33:51,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 16:33:51,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:33:51" (1/1) ... [2024-10-24 16:33:51,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370cb6a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:51, skipping insertion in model container [2024-10-24 16:33:51,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:33:51" (1/1) ... [2024-10-24 16:33:51,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:33:52,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:33:52,064 ERROR L321 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) [2024-10-24 16:33:52,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c637e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:52, skipping insertion in model container [2024-10-24 16:33:52,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 16:33:52,066 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-24 16:33:52,068 INFO L158 Benchmark]: Toolchain (without parser) took 1024.69ms. Allocated memory is still 167.8MB. Free memory was 90.7MB in the beginning and 103.9MB in the end (delta: -13.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-10-24 16:33:52,068 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 16:33:52,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1022.99ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 103.9MB in the end (delta: -13.3MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-10-24 16:33:52,070 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1022.99ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 103.9MB in the end (delta: -13.3MB). Peak memory consumption was 21.4MB. 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: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 16:33:53,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 16:33:53,895 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-24 16:33:53,901 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 16:33:53,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 16:33:53,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 16:33:53,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 16:33:53,931 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 16:33:53,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 16:33:53,931 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 16:33:53,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 16:33:53,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 16:33:53,932 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 16:33:53,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 16:33:53,933 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 16:33:53,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 16:33:53,933 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 16:33:53,933 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 16:33:53,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 16:33:53,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 16:33:53,934 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-24 16:33:53,937 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-24 16:33:53,937 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-24 16:33:53,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 16:33:53,937 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 16:33:53,938 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 16:33:53,940 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 16:33:53,940 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 16:33:53,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 16:33:53,940 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 16:33:53,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 16:33:53,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 16:33:53,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 16:33:53,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 16:33:53,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 16:33:53,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:33:53,941 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 16:33:53,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 16:33:53,941 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 16:33:53,942 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 16:33:53,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 16:33:53,942 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 16:33:53,942 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 16:33:53,942 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 16:33:53,943 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 16:33:53,943 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b53e6434f29888ec2b0851eb0bdc5bf356c532d72069865339d3ff2265f37df [2024-10-24 16:33:54,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 16:33:54,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 16:33:54,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 16:33:54,235 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 16:33:54,236 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 16:33:54,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2024-10-24 16:33:55,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 16:33:55,913 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 16:33:55,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outw_p.i [2024-10-24 16:33:55,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd34beb5/bbf001c4ca484609afb71c19b65d4109/FLAGf9dbd140d [2024-10-24 16:33:55,963 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bd34beb5/bbf001c4ca484609afb71c19b65d4109 [2024-10-24 16:33:55,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 16:33:55,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 16:33:55,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 16:33:55,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 16:33:55,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 16:33:55,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:33:55" (1/1) ... [2024-10-24 16:33:55,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e3d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:55, skipping insertion in model container [2024-10-24 16:33:55,974 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 04:33:55" (1/1) ... [2024-10-24 16:33:56,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:33:56,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:33:57,004 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-24 16:33:57,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 16:33:57,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:33:57,125 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 16:33:57,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 16:33:57,328 INFO L204 MainTranslator]: Completed translation [2024-10-24 16:33:57,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57 WrapperNode [2024-10-24 16:33:57,328 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 16:33:57,329 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 16:33:57,329 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 16:33:57,329 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 16:33:57,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,440 INFO L138 Inliner]: procedures = 482, calls = 839, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1016 [2024-10-24 16:33:57,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 16:33:57,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 16:33:57,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 16:33:57,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 16:33:57,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,558 INFO L175 MemorySlicer]: Split 211 memory accesses to 27 slices as follows [5, 3, 22, 2, 2, 2, 4, 11, 5, 6, 2, 2, 2, 3, 20, 35, 4, 5, 2, 19, 0, 16, 18, 5, 12, 2, 2]. 17 percent of accesses are in the largest equivalence class. The 85 initializations are split as follows [3, 3, 0, 0, 0, 0, 0, 2, 1, 0, 0, 0, 2, 0, 4, 32, 4, 1, 0, 0, 0, 5, 18, 4, 6, 0, 0]. The 61 writes are split as follows [0, 0, 8, 2, 2, 2, 1, 5, 1, 3, 2, 2, 0, 0, 4, 3, 0, 2, 0, 7, 0, 8, 0, 0, 6, 1, 2]. [2024-10-24 16:33:57,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,642 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 16:33:57,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 16:33:57,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 16:33:57,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 16:33:57,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (1/1) ... [2024-10-24 16:33:57,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 16:33:57,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 16:33:57,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-24 16:33:57,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-24 16:33:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-10-24 16:33:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-10-24 16:33:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2024-10-24 16:33:57,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2024-10-24 16:33:57,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-24 16:33:57,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-10-24 16:33:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-10-24 16:33:57,842 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-10-24 16:33:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-24 16:33:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-10-24 16:33:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-10-24 16:33:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-10-24 16:33:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-10-24 16:33:57,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-10-24 16:33:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-10-24 16:33:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-10-24 16:33:57,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-10-24 16:33:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-10-24 16:33:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-10-24 16:33:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-10-24 16:33:57,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-10-24 16:33:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-10-24 16:33:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-10-24 16:33:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-10-24 16:33:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-10-24 16:33:57,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#16 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#17 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#18 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#19 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#20 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#21 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#22 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#23 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#24 [2024-10-24 16:33:57,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#25 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#26 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-10-24 16:33:57,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-10-24 16:33:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-10-24 16:33:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-10-24 16:33:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-10-24 16:33:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-10-24 16:33:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-10-24 16:33:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-10-24 16:33:57,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-10-24 16:33:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-10-24 16:33:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2024-10-24 16:33:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#17 [2024-10-24 16:33:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#18 [2024-10-24 16:33:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#19 [2024-10-24 16:33:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#20 [2024-10-24 16:33:57,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#21 [2024-10-24 16:33:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#22 [2024-10-24 16:33:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#23 [2024-10-24 16:33:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#24 [2024-10-24 16:33:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#25 [2024-10-24 16:33:57,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#26 [2024-10-24 16:33:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-10-24 16:33:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-10-24 16:33:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-10-24 16:33:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-10-24 16:33:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-10-24 16:33:57,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-10-24 16:33:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-10-24 16:33:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-10-24 16:33:57,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-10-24 16:33:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-10-24 16:33:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-10-24 16:33:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-10-24 16:33:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-10-24 16:33:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-10-24 16:33:57,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#16 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#17 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#18 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#19 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#20 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#21 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#22 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#23 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#24 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#25 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#26 [2024-10-24 16:33:57,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-10-24 16:33:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-24 16:33:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-10-24 16:33:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2024-10-24 16:33:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-10-24 16:33:57,855 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-24 16:33:57,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-24 16:33:57,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-24 16:33:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-24 16:33:57,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-24 16:33:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-24 16:33:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-24 16:33:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-24 16:33:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-24 16:33:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-10-24 16:33:57,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-10-24 16:33:57,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 16:33:57,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-10-24 16:33:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-10-24 16:33:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-10-24 16:33:57,860 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-10-24 16:33:57,860 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-10-24 16:33:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 16:33:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 16:33:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-10-24 16:33:57,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-10-24 16:33:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-10-24 16:33:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-10-24 16:33:57,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-10-24 16:33:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-10-24 16:33:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-10-24 16:33:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-10-24 16:33:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-10-24 16:33:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-10-24 16:33:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-10-24 16:33:57,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#12 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#13 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#14 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#15 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#16 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#17 [2024-10-24 16:33:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#18 [2024-10-24 16:33:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#19 [2024-10-24 16:33:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#20 [2024-10-24 16:33:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#21 [2024-10-24 16:33:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#22 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#23 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#24 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#25 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#26 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-24 16:33:57,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-24 16:33:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-10-24 16:33:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-10-24 16:33:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-10-24 16:33:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-10-24 16:33:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-10-24 16:33:57,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#17 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#18 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#19 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#20 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#21 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#22 [2024-10-24 16:33:57,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#23 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#24 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#25 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#26 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-10-24 16:33:57,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#16 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#17 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#18 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#19 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#20 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#21 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#22 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#23 [2024-10-24 16:33:57,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#24 [2024-10-24 16:33:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#25 [2024-10-24 16:33:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#26 [2024-10-24 16:33:57,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-24 16:33:57,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-10-24 16:33:57,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-10-24 16:33:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-10-24 16:33:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-10-24 16:33:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#24 [2024-10-24 16:33:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#25 [2024-10-24 16:33:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#26 [2024-10-24 16:33:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 16:33:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 16:33:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-10-24 16:33:57,874 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-24 16:33:57,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-10-24 16:33:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-10-24 16:33:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-10-24 16:33:57,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-10-24 16:33:57,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-10-24 16:33:57,879 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-10-24 16:33:57,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#12 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#13 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#14 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#15 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#16 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#17 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#18 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#19 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#20 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#21 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#22 [2024-10-24 16:33:57,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#23 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#24 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#25 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#26 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-10-24 16:33:57,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-10-24 16:33:57,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#16 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#17 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#18 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#19 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#20 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#21 [2024-10-24 16:33:57,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#22 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#23 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#24 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#25 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#26 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-10-24 16:33:57,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-10-24 16:33:57,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#16 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#17 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#18 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#19 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#20 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#21 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#22 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#23 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#24 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#25 [2024-10-24 16:33:57,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#26 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-10-24 16:33:57,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#17 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#18 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#19 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#20 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#21 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#22 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#23 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#24 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#25 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#26 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-24 16:33:57,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-10-24 16:33:57,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-10-24 16:33:57,892 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-10-24 16:33:57,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#10 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#11 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#12 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#13 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#14 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#15 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#16 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#17 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#18 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#19 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#20 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#21 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#22 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#23 [2024-10-24 16:33:57,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#24 [2024-10-24 16:33:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#25 [2024-10-24 16:33:57,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#26 [2024-10-24 16:33:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-10-24 16:33:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-10-24 16:33:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-10-24 16:33:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-10-24 16:33:57,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2024-10-24 16:33:57,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2024-10-24 16:33:58,408 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 16:33:58,415 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 16:34:01,379 INFO L? ?]: Removed 646 outVars from TransFormulas that were not future-live. [2024-10-24 16:34:01,379 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 16:34:01,460 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 16:34:01,464 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-24 16:34:01,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:34:01 BoogieIcfgContainer [2024-10-24 16:34:01,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 16:34:01,466 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 16:34:01,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 16:34:01,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 16:34:01,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 04:33:55" (1/3) ... [2024-10-24 16:34:01,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3265d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:34:01, skipping insertion in model container [2024-10-24 16:34:01,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 04:33:57" (2/3) ... [2024-10-24 16:34:01,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e3265d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 04:34:01, skipping insertion in model container [2024-10-24 16:34:01,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 04:34:01" (3/3) ... [2024-10-24 16:34:01,472 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outw_p.i [2024-10-24 16:34:01,484 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 16:34:01,484 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 205 error locations. [2024-10-24 16:34:01,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 16:34:01,545 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@3dd6020, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 16:34:01,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 205 error locations. [2024-10-24 16:34:01,551 INFO L276 IsEmpty]: Start isEmpty. Operand has 604 states, 294 states have (on average 1.989795918367347) internal successors, (585), 506 states have internal predecessors, (585), 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) [2024-10-24 16:34:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 16:34:01,556 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:34:01,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 16:34:01,557 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting spin_lock_initErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:34:01,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:34:01,560 INFO L85 PathProgramCache]: Analyzing trace with hash 40116340, now seen corresponding path program 1 times [2024-10-24 16:34:01,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:34:01,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1484990087] [2024-10-24 16:34:01,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:34:01,576 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 [2024-10-24 16:34:01,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:34:01,581 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:34:01,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:34:02,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 16:34:02,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:34:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:02,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:34:02,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:34:02,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1484990087] [2024-10-24 16:34:02,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1484990087] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:34:02,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:34:02,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 16:34:02,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883695083] [2024-10-24 16:34:02,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:34:02,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 16:34:02,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:34:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 16:34:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 16:34:02,212 INFO L87 Difference]: Start difference. First operand has 604 states, 294 states have (on average 1.989795918367347) internal successors, (585), 506 states have internal predecessors, (585), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 16:34:03,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:05,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:07,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:34:07,248 INFO L93 Difference]: Finished difference Result 1094 states and 1331 transitions. [2024-10-24 16:34:07,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 16:34:07,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 16:34:07,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:34:07,262 INFO L225 Difference]: With dead ends: 1094 [2024-10-24 16:34:07,263 INFO L226 Difference]: Without dead ends: 1092 [2024-10-24 16:34:07,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 16:34:07,265 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 631 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 1237 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 632 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2024-10-24 16:34:07,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [632 Valid, 1830 Invalid, 1241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1237 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2024-10-24 16:34:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2024-10-24 16:34:07,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 886. [2024-10-24 16:34:07,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 886 states, 493 states have (on average 1.9634888438133875) internal successors, (968), 716 states have internal predecessors, (968), 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) [2024-10-24 16:34:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1244 transitions. [2024-10-24 16:34:07,348 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1244 transitions. Word has length 4 [2024-10-24 16:34:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:34:07,348 INFO L471 AbstractCegarLoop]: Abstraction has 886 states and 1244 transitions. [2024-10-24 16:34:07,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 16:34:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1244 transitions. [2024-10-24 16:34:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-24 16:34:07,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:34:07,349 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-24 16:34:07,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-24 16:34:07,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:07,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting spin_lock_initErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:34:07,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:34:07,551 INFO L85 PathProgramCache]: Analyzing trace with hash 40116341, now seen corresponding path program 1 times [2024-10-24 16:34:07,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:34:07,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767020863] [2024-10-24 16:34:07,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:34:07,552 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 [2024-10-24 16:34:07,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:34:07,575 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:34:07,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:34:07,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 16:34:07,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:34:08,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:08,014 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:34:08,014 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:34:08,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767020863] [2024-10-24 16:34:08,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767020863] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:34:08,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:34:08,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 16:34:08,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685288613] [2024-10-24 16:34:08,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:34:08,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 16:34:08,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:34:08,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 16:34:08,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 16:34:08,016 INFO L87 Difference]: Start difference. First operand 886 states and 1244 transitions. Second operand has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 16:34:10,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:12,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:14,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:16,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:34:16,211 INFO L93 Difference]: Finished difference Result 1008 states and 1326 transitions. [2024-10-24 16:34:16,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 16:34:16,211 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-24 16:34:16,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:34:16,216 INFO L225 Difference]: With dead ends: 1008 [2024-10-24 16:34:16,216 INFO L226 Difference]: Without dead ends: 1008 [2024-10-24 16:34:16,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 16:34:16,217 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 245 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 2162 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-10-24 16:34:16,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 2162 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-10-24 16:34:16,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2024-10-24 16:34:16,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 950. [2024-10-24 16:34:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 525 states have (on average 1.921904761904762) internal successors, (1009), 749 states have internal predecessors, (1009), 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) [2024-10-24 16:34:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1323 transitions. [2024-10-24 16:34:16,244 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1323 transitions. Word has length 4 [2024-10-24 16:34:16,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:34:16,245 INFO L471 AbstractCegarLoop]: Abstraction has 950 states and 1323 transitions. [2024-10-24 16:34:16,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 16:34:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1323 transitions. [2024-10-24 16:34:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 16:34:16,245 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:34:16,246 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:34:16,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:16,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:16,449 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:34:16,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:34:16,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2080883159, now seen corresponding path program 1 times [2024-10-24 16:34:16,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:34:16,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377657319] [2024-10-24 16:34:16,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:34:16,451 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 [2024-10-24 16:34:16,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:34:16,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:34:16,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:34:16,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:34:16,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:34:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:17,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:34:17,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:34:17,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1377657319] [2024-10-24 16:34:17,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1377657319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:34:17,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:34:17,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 16:34:17,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964372913] [2024-10-24 16:34:17,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:34:17,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 16:34:17,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:34:17,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 16:34:17,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 16:34:17,039 INFO L87 Difference]: Start difference. First operand 950 states and 1323 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 16:34:18,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:19,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:34:19,514 INFO L93 Difference]: Finished difference Result 1149 states and 1403 transitions. [2024-10-24 16:34:19,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 16:34:19,515 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-10-24 16:34:19,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:34:19,518 INFO L225 Difference]: With dead ends: 1149 [2024-10-24 16:34:19,519 INFO L226 Difference]: Without dead ends: 1149 [2024-10-24 16:34:19,519 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 16:34:19,519 INFO L432 NwaCegarLoop]: 578 mSDtfsCounter, 611 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-24 16:34:19,520 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 1041 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-24 16:34:19,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1149 states. [2024-10-24 16:34:19,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1149 to 949. [2024-10-24 16:34:19,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 949 states, 525 states have (on average 1.9123809523809523) internal successors, (1004), 748 states have internal predecessors, (1004), 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) [2024-10-24 16:34:19,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 949 states and 1318 transitions. [2024-10-24 16:34:19,541 INFO L78 Accepts]: Start accepts. Automaton has 949 states and 1318 transitions. Word has length 9 [2024-10-24 16:34:19,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:34:19,541 INFO L471 AbstractCegarLoop]: Abstraction has 949 states and 1318 transitions. [2024-10-24 16:34:19,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 16:34:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1318 transitions. [2024-10-24 16:34:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-24 16:34:19,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:34:19,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:34:19,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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)] Ended with exit code 0 [2024-10-24 16:34:19,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:19,747 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:34:19,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:34:19,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2080883158, now seen corresponding path program 1 times [2024-10-24 16:34:19,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:34:19,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1175186019] [2024-10-24 16:34:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:34:19,748 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 [2024-10-24 16:34:19,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:34:19,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:34:19,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:34:20,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 16:34:20,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:34:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:20,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:34:20,320 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:34:20,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1175186019] [2024-10-24 16:34:20,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1175186019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:34:20,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:34:20,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 16:34:20,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987076293] [2024-10-24 16:34:20,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:34:20,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 16:34:20,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:34:20,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 16:34:20,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 16:34:20,322 INFO L87 Difference]: Start difference. First operand 949 states and 1318 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 16:34:24,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:27,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:28,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:34:28,452 INFO L93 Difference]: Finished difference Result 1010 states and 1330 transitions. [2024-10-24 16:34:28,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 16:34:28,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2024-10-24 16:34:28,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:34:28,457 INFO L225 Difference]: With dead ends: 1010 [2024-10-24 16:34:28,457 INFO L226 Difference]: Without dead ends: 1010 [2024-10-24 16:34:28,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 16:34:28,460 INFO L432 NwaCegarLoop]: 690 mSDtfsCounter, 243 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1248 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-10-24 16:34:28,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1248 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-10-24 16:34:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1010 states. [2024-10-24 16:34:28,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1010 to 952. [2024-10-24 16:34:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 528 states have (on average 1.9071969696969697) internal successors, (1007), 751 states have internal predecessors, (1007), 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) [2024-10-24 16:34:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1321 transitions. [2024-10-24 16:34:28,494 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1321 transitions. Word has length 9 [2024-10-24 16:34:28,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:34:28,495 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1321 transitions. [2024-10-24 16:34:28,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 16:34:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1321 transitions. [2024-10-24 16:34:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 16:34:28,495 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:34:28,495 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:34:28,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-10-24 16:34:28,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:28,700 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:34:28,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:34:28,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1727068527, now seen corresponding path program 1 times [2024-10-24 16:34:28,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:34:28,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983625854] [2024-10-24 16:34:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:34:28,701 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 [2024-10-24 16:34:28,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:34:28,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:34:28,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-10-24 16:34:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:34:29,292 INFO L255 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-24 16:34:29,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:34:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:29,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:34:29,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:29,607 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:34:29,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983625854] [2024-10-24 16:34:29,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1983625854] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:34:29,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:34:29,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4] total 7 [2024-10-24 16:34:29,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94983134] [2024-10-24 16:34:29,608 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:34:29,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 16:34:29,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:34:29,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 16:34:29,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 16:34:29,609 INFO L87 Difference]: Start difference. First operand 952 states and 1321 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 16:34:30,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:32,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:33,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:39,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:34:39,667 INFO L93 Difference]: Finished difference Result 1201 states and 1543 transitions. [2024-10-24 16:34:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 16:34:39,667 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 11 [2024-10-24 16:34:39,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:34:39,671 INFO L225 Difference]: With dead ends: 1201 [2024-10-24 16:34:39,671 INFO L226 Difference]: Without dead ends: 1201 [2024-10-24 16:34:39,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-24 16:34:39,674 INFO L432 NwaCegarLoop]: 691 mSDtfsCounter, 673 mSDsluCounter, 1741 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 1773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-10-24 16:34:39,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 2432 Invalid, 1773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1720 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-10-24 16:34:39,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2024-10-24 16:34:39,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1082. [2024-10-24 16:34:39,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 615 states have (on average 1.889430894308943) internal successors, (1162), 839 states have internal predecessors, (1162), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-10-24 16:34:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1530 transitions. [2024-10-24 16:34:39,700 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1530 transitions. Word has length 11 [2024-10-24 16:34:39,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:34:39,700 INFO L471 AbstractCegarLoop]: Abstraction has 1082 states and 1530 transitions. [2024-10-24 16:34:39,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 16:34:39,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1530 transitions. [2024-10-24 16:34:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 16:34:39,701 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:34:39,701 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:34:39,710 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-10-24 16:34:39,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:39,902 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:34:39,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:34:39,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1686582398, now seen corresponding path program 1 times [2024-10-24 16:34:39,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:34:39,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412940715] [2024-10-24 16:34:39,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:34:39,903 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 [2024-10-24 16:34:39,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:34:39,906 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:34:39,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (7)] Waiting until timeout for monitored process [2024-10-24 16:34:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:34:40,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 16:34:40,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:34:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:40,405 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:34:40,460 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:40,461 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:34:40,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412940715] [2024-10-24 16:34:40,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412940715] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:34:40,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:34:40,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-10-24 16:34:40,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406174499] [2024-10-24 16:34:40,461 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:34:40,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 16:34:40,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:34:40,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 16:34:40,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-24 16:34:40,462 INFO L87 Difference]: Start difference. First operand 1082 states and 1530 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2024-10-24 16:34:42,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:43,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:47,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:49,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:49,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:34:49,865 INFO L93 Difference]: Finished difference Result 1085 states and 1532 transitions. [2024-10-24 16:34:49,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 16:34:49,866 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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 15 [2024-10-24 16:34:49,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:34:49,869 INFO L225 Difference]: With dead ends: 1085 [2024-10-24 16:34:49,870 INFO L226 Difference]: Without dead ends: 1085 [2024-10-24 16:34:49,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-10-24 16:34:49,871 INFO L432 NwaCegarLoop]: 665 mSDtfsCounter, 17 mSDsluCounter, 1981 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2646 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2024-10-24 16:34:49,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2646 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 298 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2024-10-24 16:34:49,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2024-10-24 16:34:49,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 1085. [2024-10-24 16:34:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 618 states have (on average 1.883495145631068) internal successors, (1164), 842 states have internal predecessors, (1164), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-10-24 16:34:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1532 transitions. [2024-10-24 16:34:49,893 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1532 transitions. Word has length 15 [2024-10-24 16:34:49,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:34:49,893 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1532 transitions. [2024-10-24 16:34:49,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2024-10-24 16:34:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1532 transitions. [2024-10-24 16:34:49,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-10-24 16:34:49,894 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:34:49,894 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:34:49,904 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (7)] Ended with exit code 0 [2024-10-24 16:34:50,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:34:50,099 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:34:50,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:34:50,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1662649410, now seen corresponding path program 2 times [2024-10-24 16:34:50,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:34:50,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837072449] [2024-10-24 16:34:50,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 16:34:50,101 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 [2024-10-24 16:34:50,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:34:50,103 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:34:50,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (8)] Waiting until timeout for monitored process [2024-10-24 16:34:50,769 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-24 16:34:50,769 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:34:50,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-24 16:34:50,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:34:51,114 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:51,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:34:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:34:51,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:34:51,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [837072449] [2024-10-24 16:34:51,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [837072449] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:34:51,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:34:51,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 13 [2024-10-24 16:34:51,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295625551] [2024-10-24 16:34:51,657 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:34:51,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-24 16:34:51,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:34:51,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-24 16:34:51,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-10-24 16:34:51,659 INFO L87 Difference]: Start difference. First operand 1085 states and 1532 transitions. Second operand has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 14 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 16:34:53,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:55,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:57,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:34:59,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:05,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:35:05,087 INFO L93 Difference]: Finished difference Result 1155 states and 1554 transitions. [2024-10-24 16:35:05,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 16:35:05,088 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 14 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2024-10-24 16:35:05,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:35:05,091 INFO L225 Difference]: With dead ends: 1155 [2024-10-24 16:35:05,091 INFO L226 Difference]: Without dead ends: 1155 [2024-10-24 16:35:05,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2024-10-24 16:35:05,092 INFO L432 NwaCegarLoop]: 688 mSDtfsCounter, 265 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 2306 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 4074 SdHoareTripleChecker+Invalid, 2315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2024-10-24 16:35:05,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 4074 Invalid, 2315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2306 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2024-10-24 16:35:05,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1155 states. [2024-10-24 16:35:05,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1155 to 1094. [2024-10-24 16:35:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 627 states have (on average 1.875598086124402) internal successors, (1176), 851 states have internal predecessors, (1176), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-10-24 16:35:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1544 transitions. [2024-10-24 16:35:05,107 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1544 transitions. Word has length 17 [2024-10-24 16:35:05,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:35:05,108 INFO L471 AbstractCegarLoop]: Abstraction has 1094 states and 1544 transitions. [2024-10-24 16:35:05,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.3076923076923075) internal successors, (30), 14 states have internal predecessors, (30), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-24 16:35:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1544 transitions. [2024-10-24 16:35:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-24 16:35:05,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:35:05,108 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:35:05,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (8)] Ended with exit code 0 [2024-10-24 16:35:05,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:35:05,309 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:35:05,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:35:05,309 INFO L85 PathProgramCache]: Analyzing trace with hash -426937582, now seen corresponding path program 2 times [2024-10-24 16:35:05,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:35:05,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162772632] [2024-10-24 16:35:05,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 16:35:05,310 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 [2024-10-24 16:35:05,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:35:05,311 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:35:05,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (9)] Waiting until timeout for monitored process [2024-10-24 16:35:05,738 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 16:35:05,738 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 16:35:05,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 16:35:05,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:35:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 16:35:05,837 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 16:35:05,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:35:05,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162772632] [2024-10-24 16:35:05,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162772632] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 16:35:05,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 16:35:05,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-24 16:35:05,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387005471] [2024-10-24 16:35:05,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 16:35:05,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 16:35:05,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:35:05,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 16:35:05,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 16:35:05,839 INFO L87 Difference]: Start difference. First operand 1094 states and 1544 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-24 16:35:07,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 16:35:07,476 INFO L93 Difference]: Finished difference Result 1292 states and 1627 transitions. [2024-10-24 16:35:07,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 16:35:07,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 23 [2024-10-24 16:35:07,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 16:35:07,480 INFO L225 Difference]: With dead ends: 1292 [2024-10-24 16:35:07,480 INFO L226 Difference]: Without dead ends: 1292 [2024-10-24 16:35:07,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 16:35:07,480 INFO L432 NwaCegarLoop]: 581 mSDtfsCounter, 598 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-24 16:35:07,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 1041 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-24 16:35:07,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2024-10-24 16:35:07,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1092. [2024-10-24 16:35:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1092 states, 627 states have (on average 1.861244019138756) internal successors, (1167), 849 states have internal predecessors, (1167), 184 states have call successors, (184), 79 states have call predecessors, (184), 79 states have return successors, (184), 176 states have call predecessors, (184), 184 states have call successors, (184) [2024-10-24 16:35:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 1092 states and 1535 transitions. [2024-10-24 16:35:07,496 INFO L78 Accepts]: Start accepts. Automaton has 1092 states and 1535 transitions. Word has length 23 [2024-10-24 16:35:07,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 16:35:07,496 INFO L471 AbstractCegarLoop]: Abstraction has 1092 states and 1535 transitions. [2024-10-24 16:35:07,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2024-10-24 16:35:07,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1535 transitions. [2024-10-24 16:35:07,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-24 16:35:07,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 16:35:07,497 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 16:35:07,506 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (9)] Ended with exit code 0 [2024-10-24 16:35:07,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2024-10-24 16:35:07,702 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [spin_unlock_irqrestoreErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, spin_unlock_irqrestoreErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 203 more)] === [2024-10-24 16:35:07,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 16:35:07,702 INFO L85 PathProgramCache]: Analyzing trace with hash -426937581, now seen corresponding path program 1 times [2024-10-24 16:35:07,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 16:35:07,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919654410] [2024-10-24 16:35:07,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 16:35:07,703 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 [2024-10-24 16:35:07,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 16:35:07,705 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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) [2024-10-24 16:35:07,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 (10)] Waiting until timeout for monitored process [2024-10-24 16:35:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 16:35:08,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-24 16:35:08,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 16:35:08,311 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:35:08,311 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 16:35:08,454 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 16:35:08,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 16:35:08,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919654410] [2024-10-24 16:35:08,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919654410] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 16:35:08,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-24 16:35:08,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2024-10-24 16:35:08,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127935194] [2024-10-24 16:35:08,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-24 16:35:08,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-24 16:35:08,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 16:35:08,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-24 16:35:08,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2024-10-24 16:35:08,457 INFO L87 Difference]: Start difference. First operand 1092 states and 1535 transitions. Second operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 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) [2024-10-24 16:35:09,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:11,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:13,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:16,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:17,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:20,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:22,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:27,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-24 16:35:29,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []