./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/bounded_buffer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:42:48,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:42:49,032 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-11 19:42:49,037 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:42:49,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:42:49,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:42:49,052 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:42:49,053 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:42:49,053 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:42:49,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:42:49,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:42:49,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:42:49,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:42:49,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:42:49,056 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:42:49,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:42:49,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:42:49,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:42:49,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:42:49,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:42:49,059 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:42:49,061 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:42:49,061 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:42:49,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:42:49,062 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:42:49,062 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:42:49,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:42:49,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:42:49,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:42:49,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:42:49,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:42:49,063 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:42:49,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:42:49,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:42:49,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:42:49,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:42:49,064 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 19:42:49,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 19:42:49,064 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:42:49,064 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:42:49,064 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:42:49,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:42:49,070 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2024-10-11 19:42:49,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:42:49,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:42:49,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:42:49,314 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:42:49,314 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:42:49,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2024-10-11 19:42:50,575 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:42:50,880 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:42:50,881 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2024-10-11 19:42:50,906 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/95cad77ca/8bf1ec56620c43a2b72f9c54a0b7cff6/FLAG210ed5682 [2024-10-11 19:42:51,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/95cad77ca/8bf1ec56620c43a2b72f9c54a0b7cff6 [2024-10-11 19:42:51,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:42:51,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:42:51,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:42:51,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:42:51,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:42:51,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:42:51" (1/1) ... [2024-10-11 19:42:51,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ae1cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:51, skipping insertion in model container [2024-10-11 19:42:51,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:42:51" (1/1) ... [2024-10-11 19:42:51,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:42:51,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:42:51,811 ERROR L321 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2024-10-11 19:42:51,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@173210d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:51, skipping insertion in model container [2024-10-11 19:42:51,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:42:51,813 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-10-11 19:42:51,814 INFO L158 Benchmark]: Toolchain (without parser) took 625.32ms. Allocated memory is still 172.0MB. Free memory was 132.4MB in the beginning and 110.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 19:42:51,814 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 19:42:51,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 623.50ms. Allocated memory is still 172.0MB. Free memory was 132.4MB in the beginning and 110.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-10-11 19:42:51,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 623.50ms. Allocated memory is still 172.0MB. Free memory was 132.4MB in the beginning and 110.7MB in the end (delta: 21.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1514]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 19:42:53,541 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 19:42:53,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-10-11 19:42:53,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 19:42:53,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 19:42:53,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 19:42:53,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 19:42:53,648 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 19:42:53,648 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 19:42:53,649 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 19:42:53,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 19:42:53,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 19:42:53,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 19:42:53,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 19:42:53,650 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 19:42:53,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 19:42:53,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 19:42:53,652 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 19:42:53,652 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 19:42:53,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 19:42:53,653 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-11 19:42:53,656 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-11 19:42:53,656 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-11 19:42:53,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 19:42:53,657 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 19:42:53,657 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 19:42:53,658 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 19:42:53,658 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 19:42:53,658 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 19:42:53,658 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 19:42:53,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 19:42:53,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 19:42:53,659 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 19:42:53,659 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 19:42:53,659 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 19:42:53,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:42:53,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 19:42:53,660 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 19:42:53,661 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 19:42:53,661 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 19:42:53,661 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 19:42:53,662 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 19:42:53,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 19:42:53,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 19:42:53,662 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 19:42:53,662 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2024-10-11 19:42:53,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 19:42:53,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 19:42:53,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 19:42:53,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 19:42:53,983 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 19:42:53,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2024-10-11 19:42:55,325 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 19:42:55,577 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 19:42:55,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2024-10-11 19:42:55,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4751e753b/6d3c366c32844efcb6d2e18a726aa3b8/FLAGac4a5941a [2024-10-11 19:42:55,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4751e753b/6d3c366c32844efcb6d2e18a726aa3b8 [2024-10-11 19:42:55,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 19:42:55,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 19:42:55,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 19:42:55,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 19:42:55,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 19:42:55,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:42:55" (1/1) ... [2024-10-11 19:42:55,892 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f426e2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:55, skipping insertion in model container [2024-10-11 19:42:55,892 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:42:55" (1/1) ... [2024-10-11 19:42:55,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:42:56,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:42:56,415 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-10-11 19:42:56,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 19:42:56,515 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:42:56,522 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 19:42:56,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 19:42:56,696 INFO L204 MainTranslator]: Completed translation [2024-10-11 19:42:56,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56 WrapperNode [2024-10-11 19:42:56,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 19:42:56,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 19:42:56,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 19:42:56,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 19:42:56,703 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,769 INFO L138 Inliner]: procedures = 432, calls = 135, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 483 [2024-10-11 19:42:56,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 19:42:56,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 19:42:56,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 19:42:56,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 19:42:56,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,811 INFO L175 MemorySlicer]: Split 78 memory accesses to 6 slices as follows [2, 2, 5, 5, 58, 6]. 74 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 26 writes are split as follows [0, 1, 3, 3, 17, 2]. [2024-10-11 19:42:56,812 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,827 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,831 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,844 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 19:42:56,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 19:42:56,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 19:42:56,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 19:42:56,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (1/1) ... [2024-10-11 19:42:56,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 19:42:56,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 19:42:56,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 19:42:56,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 19:42:56,936 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2024-10-11 19:42:56,936 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 19:42:56,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 19:42:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 19:42:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 19:42:56,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 19:42:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-10-11 19:42:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-10-11 19:42:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-10-11 19:42:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-10-11 19:42:56,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-10-11 19:42:56,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 19:42:56,941 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2024-10-11 19:42:56,942 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2024-10-11 19:42:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-10-11 19:42:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-10-11 19:42:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-10-11 19:42:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-10-11 19:42:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-10-11 19:42:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-10-11 19:42:56,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 19:42:56,944 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 19:42:57,162 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 19:42:57,164 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 19:42:58,584 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 19:42:58,585 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 19:42:58,811 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 19:42:58,811 INFO L314 CfgBuilder]: Removed 13 assume(true) statements. [2024-10-11 19:42:58,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:42:58 BoogieIcfgContainer [2024-10-11 19:42:58,812 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 19:42:58,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 19:42:58,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 19:42:58,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 19:42:58,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:42:55" (1/3) ... [2024-10-11 19:42:58,816 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f02368f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:42:58, skipping insertion in model container [2024-10-11 19:42:58,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:42:56" (2/3) ... [2024-10-11 19:42:58,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f02368f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:42:58, skipping insertion in model container [2024-10-11 19:42:58,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:42:58" (3/3) ... [2024-10-11 19:42:58,818 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2024-10-11 19:42:58,833 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 19:42:58,833 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 166 error locations. [2024-10-11 19:42:58,833 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 19:42:58,963 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-10-11 19:42:59,001 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 379 transitions, 778 flow [2024-10-11 19:42:59,224 INFO L124 PetriNetUnfolderBase]: 93/866 cut-off events. [2024-10-11 19:42:59,224 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-10-11 19:42:59,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 883 conditions, 866 events. 93/866 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 6324 event pairs, 0 based on Foata normal form. 0/386 useless extension candidates. Maximal degree in co-relation 454. Up to 16 conditions per place. [2024-10-11 19:42:59,241 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 379 transitions, 778 flow [2024-10-11 19:42:59,259 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 341 places, 379 transitions, 778 flow [2024-10-11 19:42:59,266 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 19:42:59,271 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3171cb41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 19:42:59,272 INFO L334 AbstractCegarLoop]: Starting to check reachability of 251 error locations. [2024-10-11 19:42:59,274 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 19:42:59,274 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2024-10-11 19:42:59,274 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 19:42:59,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:42:59,276 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-10-11 19:42:59,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [consumer_routineErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 248 more)] === [2024-10-11 19:42:59,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:42:59,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1436354, now seen corresponding path program 1 times [2024-10-11 19:42:59,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:42:59,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1593172141] [2024-10-11 19:42:59,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:42:59,291 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:42:59,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:42:59,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:42:59,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-11 19:42:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:42:59,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-11 19:42:59,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:42:59,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 19:42:59,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:42:59,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-10-11 19:42:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:42:59,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-10-11 19:42:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:42:59,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-10-11 19:42:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:42:59,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-10-11 19:42:59,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:42:59,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-10-11 19:42:59,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:42:59,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:42:59,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:42:59,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1593172141] [2024-10-11 19:42:59,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1593172141] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:42:59,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:42:59,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:42:59,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351529315] [2024-10-11 19:42:59,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:42:59,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:42:59,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:42:59,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:42:59,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:43:00,197 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 379 [2024-10-11 19:43:00,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 379 transitions, 778 flow. Second operand has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:43:00,200 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:43:00,200 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 379 [2024-10-11 19:43:00,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:43:11,372 INFO L124 PetriNetUnfolderBase]: 56825/130484 cut-off events. [2024-10-11 19:43:11,372 INFO L125 PetriNetUnfolderBase]: For 313/313 co-relation queries the response was YES. [2024-10-11 19:43:11,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205113 conditions, 130484 events. 56825/130484 cut-off events. For 313/313 co-relation queries the response was YES. Maximal size of possible extension queue 3335. Compared 1646793 event pairs, 37071 based on Foata normal form. 7582/91212 useless extension candidates. Maximal degree in co-relation 198310. Up to 74448 conditions per place. [2024-10-11 19:43:12,516 INFO L140 encePairwiseOnDemand]: 355/379 looper letters, 121 selfloop transitions, 2 changer transitions 0/356 dead transitions. [2024-10-11 19:43:12,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 356 transitions, 978 flow [2024-10-11 19:43:12,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:43:12,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:43:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 844 transitions. [2024-10-11 19:43:12,529 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7423043095866315 [2024-10-11 19:43:12,532 INFO L175 Difference]: Start difference. First operand has 341 places, 379 transitions, 778 flow. Second operand 3 states and 844 transitions. [2024-10-11 19:43:12,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 356 transitions, 978 flow [2024-10-11 19:43:12,538 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 331 places, 356 transitions, 978 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 19:43:12,542 INFO L231 Difference]: Finished difference. Result has 331 places, 356 transitions, 736 flow [2024-10-11 19:43:12,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=732, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=736, PETRI_PLACES=331, PETRI_TRANSITIONS=356} [2024-10-11 19:43:12,547 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -10 predicate places. [2024-10-11 19:43:12,547 INFO L471 AbstractCegarLoop]: Abstraction has has 331 places, 356 transitions, 736 flow [2024-10-11 19:43:12,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:43:12,548 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:43:12,548 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-10-11 19:43:12,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 19:43:12,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:43:12,751 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [consumer_routineErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 248 more)] === [2024-10-11 19:43:12,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:43:12,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1436355, now seen corresponding path program 1 times [2024-10-11 19:43:12,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:43:12,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [158836886] [2024-10-11 19:43:12,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:43:12,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:43:12,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:43:12,755 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:43:12,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-11 19:43:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:43:12,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 19:43:12,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:43:12,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-11 19:43:12,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:43:12,886 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-10-11 19:43:12,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:43:12,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-10-11 19:43:12,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:43:12,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 1 [2024-10-11 19:43:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:43:12,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-10-11 19:43:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 19:43:12,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-10-11 19:43:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:43:12,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:43:12,939 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:43:12,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [158836886] [2024-10-11 19:43:12,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [158836886] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:43:12,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:43:12,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 19:43:12,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579772065] [2024-10-11 19:43:12,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:43:12,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:43:12,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:43:12,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:43:12,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:43:13,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 379 [2024-10-11 19:43:13,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 331 places, 356 transitions, 736 flow. Second operand has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:43:13,489 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:43:13,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 379 [2024-10-11 19:43:13,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 19:43:23,482 INFO L124 PetriNetUnfolderBase]: 56825/130473 cut-off events. [2024-10-11 19:43:23,482 INFO L125 PetriNetUnfolderBase]: For 313/313 co-relation queries the response was YES. [2024-10-11 19:43:23,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 205098 conditions, 130473 events. 56825/130473 cut-off events. For 313/313 co-relation queries the response was YES. Maximal size of possible extension queue 3342. Compared 1646660 event pairs, 37071 based on Foata normal form. 7/83626 useless extension candidates. Maximal degree in co-relation 205054. Up to 74448 conditions per place. [2024-10-11 19:43:24,420 INFO L140 encePairwiseOnDemand]: 366/379 looper letters, 114 selfloop transitions, 2 changer transitions 0/345 dead transitions. [2024-10-11 19:43:24,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 322 places, 345 transitions, 946 flow [2024-10-11 19:43:24,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 19:43:24,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 19:43:24,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 847 transitions. [2024-10-11 19:43:24,423 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7449428320140721 [2024-10-11 19:43:24,423 INFO L175 Difference]: Start difference. First operand has 331 places, 356 transitions, 736 flow. Second operand 3 states and 847 transitions. [2024-10-11 19:43:24,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 322 places, 345 transitions, 946 flow [2024-10-11 19:43:24,426 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 345 transitions, 942 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 19:43:24,429 INFO L231 Difference]: Finished difference. Result has 320 places, 345 transitions, 714 flow [2024-10-11 19:43:24,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=379, PETRI_DIFFERENCE_MINUEND_FLOW=710, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=714, PETRI_PLACES=320, PETRI_TRANSITIONS=345} [2024-10-11 19:43:24,431 INFO L277 CegarLoopForPetriNet]: 341 programPoint places, -21 predicate places. [2024-10-11 19:43:24,431 INFO L471 AbstractCegarLoop]: Abstraction has has 320 places, 345 transitions, 714 flow [2024-10-11 19:43:24,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 240.66666666666666) internal successors, (722), 3 states have internal predecessors, (722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:43:24,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 19:43:24,432 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2024-10-11 19:43:24,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 19:43:24,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:43:24,633 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [consumer_routineErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, consumer_routineErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 248 more)] === [2024-10-11 19:43:24,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 19:43:24,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1380430604, now seen corresponding path program 1 times [2024-10-11 19:43:24,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 19:43:24,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731993225] [2024-10-11 19:43:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 19:43:24,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-11 19:43:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 19:43:24,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-11 19:43:24,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-10-11 19:43:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 19:43:24,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-11 19:43:24,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 19:43:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 19:43:24,734 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 19:43:24,734 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 19:43:24,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731993225] [2024-10-11 19:43:24,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731993225] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 19:43:24,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 19:43:24,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 19:43:24,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088127716] [2024-10-11 19:43:24,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 19:43:24,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 19:43:24,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 19:43:24,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 19:43:24,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 19:43:24,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 379 [2024-10-11 19:43:24,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 320 places, 345 transitions, 714 flow. Second operand has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 19:43:24,869 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 19:43:24,869 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 379 [2024-10-11 19:43:24,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand