./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI --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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:02:45,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:02:45,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-24 22:02:45,402 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:02:45,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:02:45,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:02:45,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:02:45,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:02:45,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 22:02:45,457 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 22:02:45,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:02:45,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:02:45,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:02:45,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:02:45,462 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:02:45,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:02:45,463 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:02:45,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:02:45,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:02:45,464 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:02:45,465 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:02:45,465 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:02:45,466 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:02:45,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:02:45,467 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:02:45,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:02:45,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:02:45,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:02:45,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:02:45,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:02:45,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:02:45,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:02:45,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 22:02:45,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:02:45,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:02:45,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:02:45,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:02:45,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:02:45,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 22:02:45,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 22:02:45,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:02:45,474 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_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-24 22:02:45,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:02:45,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:02:45,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:02:45,841 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:02:45,841 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:02:45,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-24 22:02:49,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:02:49,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:02:49,275 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-24 22:02:49,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data/d95d7a4cc/666d4d003c8c431fbf912a081380a2aa/FLAG485bb564d [2023-11-24 22:02:49,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data/d95d7a4cc/666d4d003c8c431fbf912a081380a2aa [2023-11-24 22:02:49,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:02:49,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:02:49,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:02:49,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:02:49,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:02:49,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:02:49" (1/1) ... [2023-11-24 22:02:49,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cc2e18d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:49, skipping insertion in model container [2023-11-24 22:02:49,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:02:49" (1/1) ... [2023-11-24 22:02:49,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:02:49,569 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:02:49,581 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) [2023-11-24 22:02:49,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a577a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:49, skipping insertion in model container [2023-11-24 22:02:49,582 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:02:49,583 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-24 22:02:49,586 INFO L158 Benchmark]: Toolchain (without parser) took 278.85ms. Allocated memory is still 203.4MB. Free memory was 161.9MB in the beginning and 150.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:02:49,586 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:02:49,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.05ms. Allocated memory is still 203.4MB. Free memory was 160.9MB in the beginning and 150.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:02:49,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.05ms. Allocated memory is still 203.4MB. Free memory was 160.9MB in the beginning and 150.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 175]: Unsupported Syntax Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI --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 aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:02:52,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:02:52,158 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-24 22:02:52,167 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:02:52,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:02:52,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:02:52,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:02:52,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:02:52,216 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-24 22:02:52,221 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-24 22:02:52,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:02:52,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:02:52,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:02:52,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:02:52,225 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:02:52,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:02:52,226 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:02:52,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:02:52,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:02:52,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:02:52,227 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:02:52,228 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:02:52,228 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:02:52,229 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:02:52,229 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:02:52,230 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:02:52,230 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:02:52,230 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:02:52,231 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:02:52,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:02:52,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:02:52,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:02:52,234 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:02:52,234 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:02:52,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 22:02:52,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:02:52,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:02:52,236 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-24 22:02:52,236 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:02:52,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:02:52,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-24 22:02:52,237 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-24 22:02:52,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:02:52,237 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-24 22:02:52,238 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_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee5edffc06a346ddce4a9cfa75b4213bee8ccd3009aa5307dc09037d26d7f28 [2023-11-24 22:02:52,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:02:52,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:02:52,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:02:52,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:02:52,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:02:52,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/../../sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-24 22:02:55,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:02:56,269 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:02:56,270 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/sv-benchmarks/c/weaver/parallel-parallel-sum-2.wvr.c [2023-11-24 22:02:56,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data/146b67882/b3a518012a9643eca096275c4487144d/FLAG20f96c0ab [2023-11-24 22:02:56,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/data/146b67882/b3a518012a9643eca096275c4487144d [2023-11-24 22:02:56,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:02:56,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:02:56,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:02:56,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:02:56,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:02:56,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa93944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56, skipping insertion in model container [2023-11-24 22:02:56,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,336 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:02:56,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:02:56,652 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:02:56,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:02:56,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:02:56,700 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:02:56,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:02:56,810 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:02:56,811 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:02:56,819 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:02:56,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56 WrapperNode [2023-11-24 22:02:56,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:02:56,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:02:56,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:02:56,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:02:56,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,895 INFO L138 Inliner]: procedures = 31, calls = 89, calls flagged for inlining = 23, calls inlined = 33, statements flattened = 392 [2023-11-24 22:02:56,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:02:56,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:02:56,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:02:56,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:02:56,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,958 INFO L175 MemorySlicer]: Split 19 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 5, 2, 2]. 26 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2023-11-24 22:02:56,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,986 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:56,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:57,001 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:57,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:02:57,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:02:57,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:02:57,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:02:57,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (1/1) ... [2023-11-24 22:02:57,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-24 22:02:57,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/z3 [2023-11-24 22:02:57,065 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-24 22:02:57,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-24 22:02:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:02:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-24 22:02:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-24 22:02:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2023-11-24 22:02:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2023-11-24 22:02:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2023-11-24 22:02:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2023-11-24 22:02:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2023-11-24 22:02:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2023-11-24 22:02:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:02:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-24 22:02:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-24 22:02:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2023-11-24 22:02:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2023-11-24 22:02:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2023-11-24 22:02:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2023-11-24 22:02:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2023-11-24 22:02:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2023-11-24 22:02:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:02:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:02:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:02:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:02:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:02:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:02:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:02:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:02:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-24 22:02:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-24 22:02:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-24 22:02:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-24 22:02:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:02:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:02:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:02:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:02:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:02:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:02:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-24 22:02:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-24 22:02:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2023-11-24 22:02:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2023-11-24 22:02:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2023-11-24 22:02:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2023-11-24 22:02:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2023-11-24 22:02:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2023-11-24 22:02:57,113 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:02:57,371 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:02:57,375 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:02:58,536 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:02:59,183 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:02:59,184 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-24 22:02:59,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:02:59 BoogieIcfgContainer [2023-11-24 22:02:59,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:02:59,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:02:59,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:02:59,193 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:02:59,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:02:56" (1/3) ... [2023-11-24 22:02:59,194 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acb783c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:02:59, skipping insertion in model container [2023-11-24 22:02:59,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:02:56" (2/3) ... [2023-11-24 22:02:59,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acb783c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:02:59, skipping insertion in model container [2023-11-24 22:02:59,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:02:59" (3/3) ... [2023-11-24 22:02:59,199 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-11-24 22:02:59,224 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:02:59,224 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-24 22:02:59,224 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 22:02:59,446 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-11-24 22:02:59,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 150 places, 144 transitions, 354 flow [2023-11-24 22:02:59,623 INFO L124 PetriNetUnfolderBase]: 13/120 cut-off events. [2023-11-24 22:02:59,624 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-11-24 22:02:59,632 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 120 events. 13/120 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 373 event pairs, 0 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 117. Up to 3 conditions per place. [2023-11-24 22:02:59,633 INFO L82 GeneralOperation]: Start removeDead. Operand has 150 places, 144 transitions, 354 flow [2023-11-24 22:02:59,646 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 119 transitions, 286 flow [2023-11-24 22:02:59,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 22:02:59,684 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;@56311c3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:02:59,684 INFO L358 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2023-11-24 22:02:59,693 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-24 22:02:59,693 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2023-11-24 22:02:59,694 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-24 22:02:59,694 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-24 22:02:59,695 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-24 22:02:59,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread1Err0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thread1Err2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 67 more)] === [2023-11-24 22:02:59,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:02:59,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1118653, now seen corresponding path program 1 times [2023-11-24 22:02:59,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-24 22:02:59,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1246230964] [2023-11-24 22:02:59,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:02:59,723 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 [2023-11-24 22:02:59,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/mathsat [2023-11-24 22:02:59,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/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) [2023-11-24 22:02:59,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54270a04-a15b-4f62-baf3-5d205df8d4bd/bin/uautomizer-verify-NlZe1sFDwI/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 [2023-11-24 22:02:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:02:59,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:02:59,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:03:00,054 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 7 [2023-11-24 22:03:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:03:00,083 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 [2023-11-24 22:03:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:03:00,099 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 [2023-11-24 22:03:00,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:03:00,112 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 [2023-11-24 22:03:00,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:03:00,142 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 [2023-11-24 22:03:00,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-24 22:03:00,158 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 [2023-11-24 22:03:00,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:03:00,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:03:00,172 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-24 22:03:00,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1246230964] [2023-11-24 22:03:00,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1246230964] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:03:00,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:03:00,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-24 22:03:00,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701835337] [2023-11-24 22:03:00,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:03:00,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:03:00,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-24 22:03:00,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:03:00,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:03:00,420 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 148 [2023-11-24 22:03:00,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 125 places, 119 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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) [2023-11-24 22:03:00,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-24 22:03:00,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 148 [2023-11-24 22:03:00,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand