./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl --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 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:17:26,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:17:26,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-12 02:17:26,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:17:26,177 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:17:26,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:17:26,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:17:26,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:17:26,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:17:26,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:17:26,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:17:26,235 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:17:26,236 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:17:26,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:17:26,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:17:26,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:17:26,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:17:26,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:17:26,240 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:17:26,240 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:17:26,241 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:17:26,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:17:26,242 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:17:26,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:17:26,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:17:26,244 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:17:26,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:17:26,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:17:26,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:17:26,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:26,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:17:26,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:17:26,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:17:26,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:17:26,249 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:17:26,250 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:17:26,250 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:17:26,250 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:17:26,250 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_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c [2023-11-12 02:17:26,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:17:26,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:17:26,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:17:26,563 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:17:26,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:17:26,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-12 02:17:29,768 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:29,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:29,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-12 02:17:30,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data/43a91a021/a0168d5ae79c4e1699865af1bad00dff/FLAG67a98b284 [2023-11-12 02:17:30,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data/43a91a021/a0168d5ae79c4e1699865af1bad00dff [2023-11-12 02:17:30,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:30,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:30,028 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:30,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:30,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:30,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:30" (1/1) ... [2023-11-12 02:17:30,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c2333a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:30, skipping insertion in model container [2023-11-12 02:17:30,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:30" (1/1) ... [2023-11-12 02:17:30,092 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:30,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:30,309 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) [2023-11-12 02:17:30,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46d60459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:30, skipping insertion in model container [2023-11-12 02:17:30,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:30,310 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-12 02:17:30,312 INFO L158 Benchmark]: Toolchain (without parser) took 284.78ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 89.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:17:30,312 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:17:30,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.02ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 89.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:17:30,314 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.02ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 89.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 119]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl --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 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:17:32,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:17:32,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-12 02:17:32,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:17:32,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:17:32,882 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:17:32,883 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:17:32,884 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:17:32,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:17:32,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:17:32,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:17:32,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:17:32,892 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:17:32,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:17:32,894 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:17:32,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:17:32,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:17:32,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:17:32,895 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-12 02:17:32,896 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-12 02:17:32,896 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-12 02:17:32,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:17:32,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:17:32,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:17:32,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:17:32,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:17:32,899 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:17:32,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:17:32,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:17:32,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:17:32,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:17:32,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:32,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:17:32,903 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:17:32,903 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:17:32,903 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:17:32,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:17:32,904 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:17:32,904 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:17:32,905 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:17:32,905 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:17:32,905 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_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c [2023-11-12 02:17:33,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:17:33,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:17:33,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:17:33,332 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:17:33,333 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:17:33,335 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-12 02:17:36,648 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:17:36,932 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:17:36,933 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c [2023-11-12 02:17:36,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data/68d0a1718/53339748f67e4cfa9fb97f799ed362ca/FLAGd0e705b85 [2023-11-12 02:17:36,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/data/68d0a1718/53339748f67e4cfa9fb97f799ed362ca [2023-11-12 02:17:36,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:17:36,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:17:36,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:36,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:17:36,973 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:17:36,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:36" (1/1) ... [2023-11-12 02:17:36,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347b60fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:36, skipping insertion in model container [2023-11-12 02:17:36,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:17:36" (1/1) ... [2023-11-12 02:17:37,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:37,213 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:37,230 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-12 02:17:37,235 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:17:37,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:37,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:17:37,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:17:37,348 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:17:37,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37 WrapperNode [2023-11-12 02:17:37,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:17:37,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:37,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:17:37,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:17:37,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,391 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,451 INFO L138 Inliner]: procedures = 28, calls = 48, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 282 [2023-11-12 02:17:37,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:17:37,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:17:37,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:17:37,453 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:17:37,463 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,527 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,530 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,545 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:17:37,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:17:37,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:17:37,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:17:37,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (1/1) ... [2023-11-12 02:17:37,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:17:37,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:17:37,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:17:37,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:17:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:17:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:17:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 02:17:37,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 02:17:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 02:17:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 02:17:37,713 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 02:17:37,713 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-12 02:17:37,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-12 02:17:37,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:17:37,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:17:37,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:17:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:17:37,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 02:17:37,718 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:17:37,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:17:37,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:17:37,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:17:39,008 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:17:39,026 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:17:39,026 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 02:17:39,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:39 BoogieIcfgContainer [2023-11-12 02:17:39,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:17:39,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:17:39,034 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:17:39,038 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:17:39,038 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:17:36" (1/3) ... [2023-11-12 02:17:39,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff20586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:39, skipping insertion in model container [2023-11-12 02:17:39,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:17:37" (2/3) ... [2023-11-12 02:17:39,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ff20586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:17:39, skipping insertion in model container [2023-11-12 02:17:39,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:17:39" (3/3) ... [2023-11-12 02:17:39,043 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c [2023-11-12 02:17:39,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:17:39,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-12 02:17:39,065 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:17:39,274 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-12 02:17:39,324 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 384 places, 403 transitions, 827 flow [2023-11-12 02:17:39,605 INFO L124 PetriNetUnfolderBase]: 29/400 cut-off events. [2023-11-12 02:17:39,605 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:17:39,619 INFO L83 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 400 events. 29/400 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 746 event pairs, 0 based on Foata normal form. 0/339 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2023-11-12 02:17:39,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 384 places, 403 transitions, 827 flow [2023-11-12 02:17:39,637 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 376 places, 395 transitions, 808 flow [2023-11-12 02:17:39,645 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:17:39,661 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 376 places, 395 transitions, 808 flow [2023-11-12 02:17:39,670 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 376 places, 395 transitions, 808 flow [2023-11-12 02:17:39,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 376 places, 395 transitions, 808 flow [2023-11-12 02:17:39,808 INFO L124 PetriNetUnfolderBase]: 29/395 cut-off events. [2023-11-12 02:17:39,808 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2023-11-12 02:17:39,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 408 conditions, 395 events. 29/395 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 744 event pairs, 0 based on Foata normal form. 0/335 useless extension candidates. Maximal degree in co-relation 295. Up to 2 conditions per place. [2023-11-12 02:17:39,833 INFO L119 LiptonReduction]: Number of co-enabled transitions 25650 [2023-11-12 02:18:22,441 INFO L134 LiptonReduction]: Checked pairs total: 26521 [2023-11-12 02:18:22,441 INFO L136 LiptonReduction]: Total number of compositions: 475 [2023-11-12 02:18:22,457 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:18:22,464 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;@4016a7a6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:18:22,464 INFO L358 AbstractCegarLoop]: Starting to check reachability of 47 error locations. [2023-11-12 02:18:22,468 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:18:22,469 INFO L124 PetriNetUnfolderBase]: 1/2 cut-off events. [2023-11-12 02:18:22,469 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:18:22,469 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:18:22,470 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-12 02:18:22,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 44 more)] === [2023-11-12 02:18:22,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:18:22,476 INFO L85 PathProgramCache]: Analyzing trace with hash 51448, now seen corresponding path program 1 times [2023-11-12 02:18:22,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:18:22,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635428908] [2023-11-12 02:18:22,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:18:22,489 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 [2023-11-12 02:18:22,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:18:22,499 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:18:22,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:18:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:18:22,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-12 02:18:22,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:18:22,725 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 5 [2023-11-12 02:18:22,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,764 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 1 [2023-11-12 02:18:22,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,800 INFO L351 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 [2023-11-12 02:18:22,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,811 INFO L351 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 [2023-11-12 02:18:22,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,826 INFO L351 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 [2023-11-12 02:18:22,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,847 INFO L351 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 [2023-11-12 02:18:22,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,871 INFO L351 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 [2023-11-12 02:18:22,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,882 INFO L351 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 [2023-11-12 02:18:22,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,890 INFO L351 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 [2023-11-12 02:18:22,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,900 INFO L351 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 [2023-11-12 02:18:22,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,911 INFO L351 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 [2023-11-12 02:18:22,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,918 INFO L351 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 [2023-11-12 02:18:22,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,941 INFO L351 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 [2023-11-12 02:18:22,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,951 INFO L351 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 [2023-11-12 02:18:22,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,962 INFO L351 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 [2023-11-12 02:18:22,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,968 INFO L351 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 [2023-11-12 02:18:22,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,976 INFO L351 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 [2023-11-12 02:18:22,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,986 INFO L351 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 [2023-11-12 02:18:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:22,996 INFO L351 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 [2023-11-12 02:18:23,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:23,005 INFO L351 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 [2023-11-12 02:18:23,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:23,027 INFO L351 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 [2023-11-12 02:18:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:23,037 INFO L351 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 [2023-11-12 02:18:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:23,046 INFO L351 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 [2023-11-12 02:18:23,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:18:23,055 INFO L351 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 [2023-11-12 02:18:23,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:18:23,089 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:18:23,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:18:23,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635428908] [2023-11-12 02:18:23,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635428908] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:18:23,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:18:23,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 02:18:23,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628899089] [2023-11-12 02:18:23,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:18:23,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:18:23,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:18:23,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:18:23,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:18:23,546 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 349 out of 878 [2023-11-12 02:18:23,551 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 63 transitions, 144 flow. Second operand has 3 states, 3 states have (on average 349.6666666666667) internal successors, (1049), 3 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:23,552 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:18:23,552 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 349 of 878 [2023-11-12 02:18:23,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:18:25,394 INFO L124 PetriNetUnfolderBase]: 5957/8309 cut-off events. [2023-11-12 02:18:25,394 INFO L125 PetriNetUnfolderBase]: For 206/206 co-relation queries the response was YES. [2023-11-12 02:18:25,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16833 conditions, 8309 events. 5957/8309 cut-off events. For 206/206 co-relation queries the response was YES. Maximal size of possible extension queue 697. Compared 41459 event pairs, 5113 based on Foata normal form. 0/2944 useless extension candidates. Maximal degree in co-relation 15248. Up to 8302 conditions per place. [2023-11-12 02:18:25,474 INFO L140 encePairwiseOnDemand]: 863/878 looper letters, 62 selfloop transitions, 9 changer transitions 0/71 dead transitions. [2023-11-12 02:18:25,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 71 transitions, 302 flow [2023-11-12 02:18:25,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:18:25,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-12 02:18:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1124 transitions. [2023-11-12 02:18:25,500 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4267274107820805 [2023-11-12 02:18:25,501 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1124 transitions. [2023-11-12 02:18:25,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1124 transitions. [2023-11-12 02:18:25,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:18:25,512 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1124 transitions. [2023-11-12 02:18:25,521 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 374.6666666666667) internal successors, (1124), 3 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:25,535 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 878.0) internal successors, (3512), 4 states have internal predecessors, (3512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:25,538 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 878.0) internal successors, (3512), 4 states have internal predecessors, (3512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:25,541 INFO L175 Difference]: Start difference. First operand has 65 places, 63 transitions, 144 flow. Second operand 3 states and 1124 transitions. [2023-11-12 02:18:25,542 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 71 transitions, 302 flow [2023-11-12 02:18:25,551 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 71 transitions, 290 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-11-12 02:18:25,555 INFO L231 Difference]: Finished difference. Result has 62 places, 68 transitions, 200 flow [2023-11-12 02:18:25,557 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=878, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=200, PETRI_PLACES=62, PETRI_TRANSITIONS=68} [2023-11-12 02:18:25,567 INFO L281 CegarLoopForPetriNet]: 65 programPoint places, -3 predicate places. [2023-11-12 02:18:25,568 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 68 transitions, 200 flow [2023-11-12 02:18:25,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 349.6666666666667) internal successors, (1049), 3 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:18:25,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:18:25,570 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-11-12 02:18:25,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_270e8024-f124-4335-a231-18a57d28bc72/bin/uautomizer-verify-uTZkv6EMXl/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