./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 17:18:50,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 17:18:50,474 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-11-21 17:18:50,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 17:18:50,482 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 17:18:50,523 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 17:18:50,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 17:18:50,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 17:18:50,529 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 17:18:50,534 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 17:18:50,535 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 17:18:50,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 17:18:50,536 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 17:18:50,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 17:18:50,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 17:18:50,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 17:18:50,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 17:18:50,540 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 17:18:50,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 17:18:50,541 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 17:18:50,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 17:18:50,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 17:18:50,542 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 17:18:50,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 17:18:50,543 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 17:18:50,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 17:18:50,544 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 17:18:50,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 17:18:50,544 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 17:18:50,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 17:18:50,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 17:18:50,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 17:18:50,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 17:18:50,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 17:18:50,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 17:18:50,547 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 17:18:50,548 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-21 17:18:50,548 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 17:18:50,548 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 17:18:50,548 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 17:18:50,549 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 17:18:50,549 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 17:18:50,549 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 17:18:50,549 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 17:18:50,550 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-21 17:18:50,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 17:18:50,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 17:18:50,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 17:18:50,928 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 17:18:50,929 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 17:18:50,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 17:18:54,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 17:18:54,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 17:18:54,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 17:18:54,497 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data/4850d1362/a9b73e9810ba4292a83bde95babe1178/FLAG5f998112e [2023-11-21 17:18:54,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data/4850d1362/a9b73e9810ba4292a83bde95babe1178 [2023-11-21 17:18:54,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 17:18:54,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 17:18:54,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 17:18:54,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 17:18:54,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 17:18:54,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:54" (1/1) ... [2023-11-21 17:18:54,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63cb6aaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:54, skipping insertion in model container [2023-11-21 17:18:54,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:18:54" (1/1) ... [2023-11-21 17:18:54,621 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 17:18:55,345 ERROR L324 MainTranslator]: Unsupported Syntax: identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 17:18:55,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77d87a06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:18:55, skipping insertion in model container [2023-11-21 17:18:55,346 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 17:18:55,346 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 17:18:55,348 INFO L158 Benchmark]: Toolchain (without parser) took 822.52ms. Allocated memory is still 140.5MB. Free memory was 94.4MB in the beginning and 78.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 17:18:55,349 INFO L158 Benchmark]: CDTParser took 1.23ms. Allocated memory is still 104.9MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 17:18:55,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.45ms. Allocated memory is still 140.5MB. Free memory was 94.2MB in the beginning and 78.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 17:18:55,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23ms. Allocated memory is still 104.9MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 816.45ms. Allocated memory is still 140.5MB. Free memory was 94.2MB in the beginning and 78.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1284]: Unsupported Syntax identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/sv-benchmarks/c/pthread/twostage_3.i 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_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/config/svcomp-Overflow-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 17:18:57,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 17:18:58,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/config/svcomp-Overflow-32bit-GemCutter_Bitvector.epf [2023-11-21 17:18:58,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 17:18:58,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 17:18:58,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 17:18:58,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 17:18:58,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 17:18:58,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 17:18:58,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 17:18:58,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 17:18:58,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 17:18:58,087 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 17:18:58,089 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 17:18:58,090 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 17:18:58,090 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 17:18:58,091 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 17:18:58,091 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 17:18:58,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 17:18:58,092 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 17:18:58,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 17:18:58,093 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 17:18:58,094 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 17:18:58,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 17:18:58,095 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 17:18:58,096 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 17:18:58,096 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 17:18:58,097 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 17:18:58,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 17:18:58,098 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 17:18:58,099 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 17:18:58,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 17:18:58,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 17:18:58,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 17:18:58,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 17:18:58,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 17:18:58,101 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 17:18:58,102 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-21 17:18:58,102 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 17:18:58,103 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 17:18:58,104 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-21 17:18:58,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-21 17:18:58,104 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 17:18:58,105 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-21 17:18:58,105 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-21 17:18:58,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 17:18:58,106 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-21 17:18:58,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 17:18:58,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 17:18:58,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 17:18:58,594 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 17:18:58,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 17:18:58,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 17:19:01,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 17:19:02,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 17:19:02,233 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 17:19:02,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data/90a1375c2/e23f2b220f0440abbaf459007c93fafa/FLAG956ba9bca [2023-11-21 17:19:02,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/bin/ugemcutter-verify-n4DOmGwLwf/data/90a1375c2/e23f2b220f0440abbaf459007c93fafa [2023-11-21 17:19:02,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 17:19:02,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 17:19:02,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 17:19:02,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 17:19:02,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 17:19:02,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:02" (1/1) ... [2023-11-21 17:19:02,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc79ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:02, skipping insertion in model container [2023-11-21 17:19:02,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:19:02" (1/1) ... [2023-11-21 17:19:02,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 17:19:03,387 ERROR L324 MainTranslator]: Unsupported Syntax: identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 17:19:03,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5463c02d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:19:03, skipping insertion in model container [2023-11-21 17:19:03,388 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 17:19:03,389 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 17:19:03,391 INFO L158 Benchmark]: Toolchain (without parser) took 1108.73ms. Allocated memory is still 88.1MB. Free memory was 61.1MB in the beginning and 64.7MB in the end (delta: -3.6MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-21 17:19:03,392 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 69.2MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 17:19:03,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1105.47ms. Allocated memory is still 88.1MB. Free memory was 60.9MB in the beginning and 64.7MB in the end (delta: -3.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-21 17:19:03,395 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 69.2MB. Free memory is still 44.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1105.47ms. Allocated memory is still 88.1MB. Free memory was 60.9MB in the beginning and 64.7MB in the end (delta: -3.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1284]: Unsupported Syntax identifier is not declared (neither a variable nor a function name): argv in file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d28a08-a41b-4967-a953-5d6801cfa9ff/sv-benchmarks/c/pthread/twostage_3.i RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN