./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme --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 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:25,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:25,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-11-26 11:49:25,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:25,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:25,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:25,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:25,849 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:25,851 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:25,856 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:25,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:25,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:25,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:25,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:25,861 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:25,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:25,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:25,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:25,863 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 11:49:25,865 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 11:49:25,865 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 11:49:25,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:25,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:49:25,867 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:25,867 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:25,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:25,868 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:25,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:25,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:25,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:25,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:25,871 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:25,872 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:25,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:25,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:25,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:25,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:25,873 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:25,873 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2023-11-26 11:49:26,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:26,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:26,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:26,261 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:26,262 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:26,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-26 11:49:29,365 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:29,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:29,921 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-26 11:49:29,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data/0cf59a4c0/33691506309f433d8f340f0027bd49d1/FLAG1fa36e347 [2023-11-26 11:49:29,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data/0cf59a4c0/33691506309f433d8f340f0027bd49d1 [2023-11-26 11:49:29,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:29,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:29,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:29,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:30,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:30,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:29" (1/1) ... [2023-11-26 11:49:30,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cd4b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:30, skipping insertion in model container [2023-11-26 11:49:30,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:29" (1/1) ... [2023-11-26 11:49:30,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:31,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:31,227 ERROR L324 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2023-11-26 11:49:31,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ae93707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:31, skipping insertion in model container [2023-11-26 11:49:31,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:31,229 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-26 11:49:31,231 INFO L158 Benchmark]: Toolchain (without parser) took 1238.62ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 59.2MB in the beginning and 93.6MB in the end (delta: -34.5MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-26 11:49:31,232 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:31,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1232.65ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 58.8MB in the beginning and 93.6MB in the end (delta: -34.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-26 11:49:31,235 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1232.65ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 58.8MB in the beginning and 93.6MB in the end (delta: -34.8MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 4186]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme --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 64bit --witnessprinter.graph.data.programhash 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:33,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:33,921 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-11-26 11:49:33,938 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:33,939 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:33,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:33,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:33,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:33,991 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:33,992 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:33,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:33,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:33,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:33,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:34,000 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:34,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:34,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:34,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:34,003 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-26 11:49:34,004 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-26 11:49:34,005 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-26 11:49:34,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:34,006 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:49:34,007 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:49:34,007 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:49:34,008 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:34,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:34,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:34,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:34,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:34,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:34,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:34,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:34,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:34,013 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:49:34,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:49:34,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:34,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:34,015 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:34,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:34,016 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:49:34,016 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2023-11-26 11:49:34,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:34,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:34,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:34,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:34,456 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:34,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-26 11:49:37,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:38,205 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:38,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-26 11:49:38,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data/efc324652/d9648ec1782c41c1bb641e6a427a2bc9/FLAGa81f82135 [2023-11-26 11:49:38,672 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/data/efc324652/d9648ec1782c41c1bb641e6a427a2bc9 [2023-11-26 11:49:38,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:38,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:38,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:38,679 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:38,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:38,688 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7fdfd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38, skipping insertion in model container [2023-11-26 11:49:38,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:39,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:40,030 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-26 11:49:40,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:40,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:40,358 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:40,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:40,684 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:40,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40 WrapperNode [2023-11-26 11:49:40,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:40,686 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:40,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:40,687 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:40,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:40,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:40,900 INFO L138 Inliner]: procedures = 122, calls = 424, calls flagged for inlining = 51, calls inlined = 47, statements flattened = 1194 [2023-11-26 11:49:40,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:40,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:40,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:40,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:40,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:40,915 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:40,943 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,106 INFO L175 MemorySlicer]: Split 183 memory accesses to 12 slices as follows [2, 21, 2, 5, 12, 7, 13, 4, 4, 17, 68, 28]. 37 percent of accesses are in the largest equivalence class. The 107 initializations are split as follows [2, 21, 0, 0, 0, 7, 13, 4, 4, 0, 28, 28]. The 21 writes are split as follows [0, 0, 2, 1, 4, 0, 0, 0, 0, 2, 12, 0]. [2023-11-26 11:49:41,111 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,214 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:41,298 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:41,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:41,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:41,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (1/1) ... [2023-11-26 11:49:41,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:41,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:41,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:41,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2023-11-26 11:49:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2023-11-26 11:49:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2023-11-26 11:49:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2023-11-26 11:49:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2023-11-26 11:49:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2023-11-26 11:49:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2023-11-26 11:49:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2023-11-26 11:49:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2023-11-26 11:49:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2023-11-26 11:49:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2023-11-26 11:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2023-11-26 11:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#10 [2023-11-26 11:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#11 [2023-11-26 11:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 11:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 11:49:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-26 11:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-26 11:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-26 11:49:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-26 11:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-26 11:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-26 11:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2023-11-26 11:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2023-11-26 11:49:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2023-11-26 11:49:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2023-11-26 11:49:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2023-11-26 11:49:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2023-11-26 11:49:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 11:49:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 11:49:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2023-11-26 11:49:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2023-11-26 11:49:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2023-11-26 11:49:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2023-11-26 11:49:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2023-11-26 11:49:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2023-11-26 11:49:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2023-11-26 11:49:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2023-11-26 11:49:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2023-11-26 11:49:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2023-11-26 11:49:41,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-26 11:49:41,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-26 11:49:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-26 11:49:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-26 11:49:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2023-11-26 11:49:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_read_iter [2023-11-26 11:49:41,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-26 11:49:41,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-26 11:49:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2023-11-26 11:49:41,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2023-11-26 11:49:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2023-11-26 11:49:41,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2023-11-26 11:49:41,396 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-26 11:49:41,396 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-26 11:49:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-26 11:49:41,397 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-26 11:49:41,397 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-26 11:49:41,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-26 11:49:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-26 11:49:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-26 11:49:41,398 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2023-11-26 11:49:41,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2023-11-26 11:49:41,399 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2023-11-26 11:49:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2023-11-26 11:49:41,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-26 11:49:41,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-26 11:49:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:49:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:49:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-26 11:49:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-26 11:49:41,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-26 11:49:41,401 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-26 11:49:41,402 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-26 11:49:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:41,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:49:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-26 11:49:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-26 11:49:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-26 11:49:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-26 11:49:41,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2023-11-26 11:49:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2023-11-26 11:49:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2023-11-26 11:49:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2023-11-26 11:49:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2023-11-26 11:49:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2023-11-26 11:49:41,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2023-11-26 11:49:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2023-11-26 11:49:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-26 11:49:41,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-26 11:49:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-26 11:49:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-26 11:49:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2023-11-26 11:49:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2023-11-26 11:49:41,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2023-11-26 11:49:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2023-11-26 11:49:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2023-11-26 11:49:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2023-11-26 11:49:41,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2023-11-26 11:49:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2023-11-26 11:49:41,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-26 11:49:41,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-26 11:49:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2023-11-26 11:49:41,409 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2023-11-26 11:49:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2023-11-26 11:49:41,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2023-11-26 11:49:41,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2023-11-26 11:49:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2023-11-26 11:49:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2023-11-26 11:49:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2023-11-26 11:49:41,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2023-11-26 11:49:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2023-11-26 11:49:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2023-11-26 11:49:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2023-11-26 11:49:41,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#10 [2023-11-26 11:49:41,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#11 [2023-11-26 11:49:41,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:49:41,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 11:49:41,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 11:49:41,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-26 11:49:41,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-26 11:49:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-26 11:49:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-26 11:49:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-26 11:49:41,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-26 11:49:41,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-26 11:49:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2023-11-26 11:49:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2023-11-26 11:49:41,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2023-11-26 11:49:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2023-11-26 11:49:41,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2023-11-26 11:49:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2023-11-26 11:49:41,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2023-11-26 11:49:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2023-11-26 11:49:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2023-11-26 11:49:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_fsync [2023-11-26 11:49:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-26 11:49:41,423 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-26 11:49:41,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:49:41,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 11:49:41,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-26 11:49:41,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-26 11:49:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-26 11:49:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-26 11:49:41,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-26 11:49:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-26 11:49:41,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2023-11-26 11:49:41,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2023-11-26 11:49:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2023-11-26 11:49:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2023-11-26 11:49:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-26 11:49:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-26 11:49:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2023-11-26 11:49:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2023-11-26 11:49:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2023-11-26 11:49:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2023-11-26 11:49:41,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2023-11-26 11:49:41,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#10 [2023-11-26 11:49:41,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#11 [2023-11-26 11:49:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-26 11:49:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-26 11:49:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2023-11-26 11:49:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2023-11-26 11:49:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2023-11-26 11:49:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2023-11-26 11:49:41,441 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-26 11:49:41,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-26 11:49:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2023-11-26 11:49:41,442 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_write_iter [2023-11-26 11:49:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2023-11-26 11:49:41,442 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2023-11-26 11:49:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:41,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:41,442 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-26 11:49:41,460 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-26 11:49:41,899 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:41,902 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:42,888 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-26 11:49:45,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:46,057 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:46,058 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:49:46,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:46 BoogieIcfgContainer [2023-11-26 11:49:46,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:46,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:46,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:46,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:46,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:38" (1/3) ... [2023-11-26 11:49:46,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484ee938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:46, skipping insertion in model container [2023-11-26 11:49:46,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:40" (2/3) ... [2023-11-26 11:49:46,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@484ee938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:46, skipping insertion in model container [2023-11-26 11:49:46,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:46" (3/3) ... [2023-11-26 11:49:46,073 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2023-11-26 11:49:46,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:46,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 146 error locations. [2023-11-26 11:49:46,180 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:46,194 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@373ba9b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:46,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 146 error locations. [2023-11-26 11:49:46,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 549 states, 289 states have (on average 1.820069204152249) internal successors, (526), 443 states have internal predecessors, (526), 85 states have call successors, (85), 29 states have call predecessors, (85), 28 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-26 11:49:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-26 11:49:46,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:46,219 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:46,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2023-11-26 11:49:46,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:46,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1507508641, now seen corresponding path program 1 times [2023-11-26 11:49:46,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:49:46,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1904256955] [2023-11-26 11:49:46,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:46,252 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:49:46,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:49:46,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:49:46,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 11:49:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:47,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:49:47,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 11:49:47,066 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:49:47,067 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:49:47,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1904256955] [2023-11-26 11:49:47,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1904256955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:47,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:47,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:47,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402523501] [2023-11-26 11:49:47,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:47,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:49:47,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:49:47,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:49:47,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:47,115 INFO L87 Difference]: Start difference. First operand has 549 states, 289 states have (on average 1.820069204152249) internal successors, (526), 443 states have internal predecessors, (526), 85 states have call successors, (85), 29 states have call predecessors, (85), 28 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:49:50,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:49:51,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:51,576 INFO L93 Difference]: Finished difference Result 547 states and 686 transitions. [2023-11-26 11:49:51,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:51,579 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2023-11-26 11:49:51,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:51,594 INFO L225 Difference]: With dead ends: 547 [2023-11-26 11:49:51,595 INFO L226 Difference]: Without dead ends: 541 [2023-11-26 11:49:51,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:51,599 INFO L413 NwaCegarLoop]: 611 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:51,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 611 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-11-26 11:49:51,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2023-11-26 11:49:51,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2023-11-26 11:49:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 287 states have (on average 1.7979094076655053) internal successors, (516), 435 states have internal predecessors, (516), 81 states have call successors, (81), 28 states have call predecessors, (81), 27 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2023-11-26 11:49:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 676 transitions. [2023-11-26 11:49:51,689 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 676 transitions. Word has length 60 [2023-11-26 11:49:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:51,690 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 676 transitions. [2023-11-26 11:49:51,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 11:49:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 676 transitions. [2023-11-26 11:49:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-26 11:49:51,693 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:51,694 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:51,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:49:51,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:49:51,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_memsetErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE === [raw_openErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, raw_openErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 143 more)] === [2023-11-26 11:49:51,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:51,903 INFO L85 PathProgramCache]: Analyzing trace with hash 293024103, now seen corresponding path program 1 times [2023-11-26 11:49:51,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:49:51,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985267349] [2023-11-26 11:49:51,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:51,905 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 11:49:51,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:49:51,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 11:49:51,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fbac0fa-5b66-42a4-818e-a4d5cf44c6d6/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 11:49:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:54,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-26 11:49:54,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:49:55,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:55,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:55,558 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:49:55,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 62 [2023-11-26 11:49:55,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:55,992 INFO L349 Elim1Store]: treesize reduction 131, result has 14.4 percent of original size [2023-11-26 11:49:55,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 54 [2023-11-26 11:49:56,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:56,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:56,442 INFO L349 Elim1Store]: treesize reduction 183, result has 10.7 percent of original size [2023-11-26 11:49:56,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 62 [2023-11-26 11:49:56,694 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:49:56,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 133 treesize of output 140 [2023-11-26 11:49:57,020 INFO L349 Elim1Store]: treesize reduction 105, result has 17.3 percent of original size [2023-11-26 11:49:57,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 50 [2023-11-26 11:49:57,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:57,327 INFO L349 Elim1Store]: treesize reduction 154, result has 12.5 percent of original size [2023-11-26 11:49:57,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 58 [2023-11-26 11:49:57,571 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:49:57,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 58 [2023-11-26 11:49:57,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:57,975 INFO L349 Elim1Store]: treesize reduction 154, result has 12.5 percent of original size [2023-11-26 11:49:57,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 58 [2023-11-26 11:49:58,209 INFO L349 Elim1Store]: treesize reduction 105, result has 17.3 percent of original size [2023-11-26 11:49:58,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 50 [2023-11-26 11:49:58,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:58,512 INFO L349 Elim1Store]: treesize reduction 174, result has 11.2 percent of original size [2023-11-26 11:49:58,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 62 [2023-11-26 11:49:58,783 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:49:58,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 54 [2023-11-26 11:49:59,049 INFO L349 Elim1Store]: treesize reduction 135, result has 14.0 percent of original size [2023-11-26 11:49:59,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 62 [2023-11-26 11:49:59,437 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:49:59,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 58 [2023-11-26 11:49:59,760 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:49:59,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 160 treesize of output 167 [2023-11-26 11:49:59,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:49:59,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:00,103 INFO L349 Elim1Store]: treesize reduction 164, result has 11.8 percent of original size [2023-11-26 11:50:00,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 60 treesize of output 62 [2023-11-26 11:50:00,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:00,521 INFO L349 Elim1Store]: treesize reduction 174, result has 11.2 percent of original size [2023-11-26 11:50:00,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 136 treesize of output 138 [2023-11-26 11:50:00,795 INFO L349 Elim1Store]: treesize reduction 135, result has 14.0 percent of original size [2023-11-26 11:50:00,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 215 treesize of output 220 [2023-11-26 11:50:01,138 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:01,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 121 treesize of output 130 [2023-11-26 11:50:01,420 INFO L349 Elim1Store]: treesize reduction 135, result has 14.0 percent of original size [2023-11-26 11:50:01,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 131 treesize of output 138 [2023-11-26 11:50:01,811 INFO L349 Elim1Store]: treesize reduction 130, result has 17.2 percent of original size [2023-11-26 11:50:01,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 242 treesize of output 252 [2023-11-26 11:50:02,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:02,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:02,455 INFO L349 Elim1Store]: treesize reduction 189, result has 12.5 percent of original size [2023-11-26 11:50:02,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 142 treesize of output 147 [2023-11-26 11:50:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:02,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:03,087 INFO L349 Elim1Store]: treesize reduction 161, result has 12.0 percent of original size [2023-11-26 11:50:03,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 78 [2023-11-26 11:50:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:03,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:03,493 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:50:03,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 70 [2023-11-26 11:50:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:03,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:03,912 INFO L349 Elim1Store]: treesize reduction 203, result has 9.8 percent of original size [2023-11-26 11:50:03,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 78 [2023-11-26 11:50:04,208 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:04,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 121 treesize of output 130 [2023-11-26 11:50:04,507 INFO L349 Elim1Store]: treesize reduction 135, result has 14.0 percent of original size [2023-11-26 11:50:04,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 131 treesize of output 138 [2023-11-26 11:50:04,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:04,866 INFO L349 Elim1Store]: treesize reduction 174, result has 11.2 percent of original size [2023-11-26 11:50:04,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 136 treesize of output 138 [2023-11-26 11:50:05,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:05,169 INFO L349 Elim1Store]: treesize reduction 174, result has 11.2 percent of original size [2023-11-26 11:50:05,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 62 [2023-11-26 11:50:05,421 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:05,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 54 [2023-11-26 11:50:05,647 INFO L349 Elim1Store]: treesize reduction 135, result has 14.0 percent of original size [2023-11-26 11:50:05,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 55 treesize of output 62 [2023-11-26 11:50:05,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:05,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,032 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:50:06,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 156 treesize of output 156 [2023-11-26 11:50:06,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,481 INFO L349 Elim1Store]: treesize reduction 183, result has 10.7 percent of original size [2023-11-26 11:50:06,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 74 [2023-11-26 11:50:06,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,792 INFO L349 Elim1Store]: treesize reduction 131, result has 14.4 percent of original size [2023-11-26 11:50:06,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2023-11-26 11:50:06,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:06,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,297 INFO L349 Elim1Store]: treesize reduction 215, result has 9.3 percent of original size [2023-11-26 11:50:07,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 11 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 88 treesize of output 78 [2023-11-26 11:50:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,630 INFO L349 Elim1Store]: treesize reduction 160, result has 12.1 percent of original size [2023-11-26 11:50:07,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 70 [2023-11-26 11:50:07,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:07,989 INFO L349 Elim1Store]: treesize reduction 170, result has 11.5 percent of original size [2023-11-26 11:50:07,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 78 [2023-11-26 11:50:08,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,360 INFO L349 Elim1Store]: treesize reduction 161, result has 12.0 percent of original size [2023-11-26 11:50:08,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 78 treesize of output 78 [2023-11-26 11:50:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,819 INFO L349 Elim1Store]: treesize reduction 203, result has 9.8 percent of original size [2023-11-26 11:50:08,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 78 [2023-11-26 11:50:08,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:08,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,117 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:50:09,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 70 [2023-11-26 11:50:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,427 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:50:09,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 183 treesize of output 183 [2023-11-26 11:50:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,747 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:50:09,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 74 [2023-11-26 11:50:09,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:09,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:10,264 INFO L349 Elim1Store]: treesize reduction 193, result has 10.2 percent of original size [2023-11-26 11:50:10,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 78 [2023-11-26 11:50:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:10,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:10,734 INFO L349 Elim1Store]: treesize reduction 183, result has 10.7 percent of original size [2023-11-26 11:50:10,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 74 [2023-11-26 11:50:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:11,031 INFO L349 Elim1Store]: treesize reduction 131, result has 14.4 percent of original size [2023-11-26 11:50:11,032 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2023-11-26 11:50:11,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:11,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:11,317 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:50:11,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 72 treesize of output 74 [2023-11-26 11:50:11,621 INFO L349 Elim1Store]: treesize reduction 105, result has 17.3 percent of original size [2023-11-26 11:50:11,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 50 [2023-11-26 11:50:11,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:11,880 INFO L349 Elim1Store]: treesize reduction 154, result has 12.5 percent of original size [2023-11-26 11:50:11,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 58 [2023-11-26 11:50:12,074 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:12,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 133 treesize of output 140 [2023-11-26 11:50:12,357 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:12,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 171 treesize of output 178 [2023-11-26 11:50:12,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:12,738 INFO L349 Elim1Store]: treesize reduction 154, result has 12.5 percent of original size [2023-11-26 11:50:12,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 70 [2023-11-26 11:50:12,975 INFO L349 Elim1Store]: treesize reduction 105, result has 17.3 percent of original size [2023-11-26 11:50:12,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 50 [2023-11-26 11:50:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:13,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:13,260 INFO L349 Elim1Store]: treesize reduction 141, result has 13.5 percent of original size [2023-11-26 11:50:13,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 163 treesize of output 163 [2023-11-26 11:50:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:13,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:13,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:13,723 INFO L349 Elim1Store]: treesize reduction 183, result has 10.7 percent of original size [2023-11-26 11:50:13,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 74 [2023-11-26 11:50:13,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:13,996 INFO L349 Elim1Store]: treesize reduction 131, result has 14.4 percent of original size [2023-11-26 11:50:13,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 66 [2023-11-26 11:50:14,212 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:14,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 138 treesize of output 147 [2023-11-26 11:50:14,449 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:14,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 171 treesize of output 178 [2023-11-26 11:50:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:14,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:14,812 INFO L349 Elim1Store]: treesize reduction 164, result has 11.8 percent of original size [2023-11-26 11:50:14,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 182 treesize of output 182 [2023-11-26 11:50:15,098 INFO L349 Elim1Store]: treesize reduction 135, result has 14.0 percent of original size [2023-11-26 11:50:15,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 268 treesize of output 271 [2023-11-26 11:50:15,387 INFO L349 Elim1Store]: treesize reduction 115, result has 16.1 percent of original size [2023-11-26 11:50:15,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 167 treesize of output 174 [2023-11-26 11:50:15,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:15,695 INFO L349 Elim1Store]: treesize reduction 174, result has 11.2 percent of original size [2023-11-26 11:50:15,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 182 treesize of output 182 [2023-11-26 11:50:16,018 INFO L349 Elim1Store]: treesize reduction 130, result has 17.2 percent of original size [2023-11-26 11:50:16,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 288 treesize of output 296 [2023-11-26 11:50:16,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:16,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:16,606 INFO L349 Elim1Store]: treesize reduction 189, result has 12.5 percent of original size [2023-11-26 11:50:16,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 188 treesize of output 191 [2023-11-26 11:50:17,044 INFO L349 Elim1Store]: treesize reduction 135, result has 14.0 percent of original size [2023-11-26 11:50:17,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 177 treesize of output 182 [2023-11-26 11:50:17,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:17,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:17,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:17,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:17,551 INFO L349 Elim1Store]: treesize reduction 193, result has 10.2 percent of original size [2023-11-26 11:50:17,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 83 treesize of output 78 [2023-11-26 11:50:17,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 11:50:17,689 INFO L190 IndexEqualityManager]: detected not equals via solver