./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/twostage_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:58,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:58,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-21 18:55:58,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:58,622 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:55:58,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:58,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:55:58,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:55:58,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:58,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:55:58,672 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:55:58,673 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:55:58,673 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:55:58,675 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 18:55:58,675 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:55:58,676 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:55:58,676 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 18:55:58,677 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 18:55:58,677 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:55:58,678 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 18:55:58,678 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 18:55:58,679 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 18:55:58,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:58,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:58,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:58,681 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:58,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:58,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:58,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:58,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:58,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:58,685 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 18:55:58,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:58,686 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:58,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:58,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:58,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:58,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:55:58,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:55:58,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:58,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:58,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:58,689 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 18:55:58,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:58,690 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:55:58,690 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:58,690 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:55:58,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:58,691 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-21 18:55:58,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:59,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:59,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:59,051 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:59,051 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:59,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 18:56:02,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:56:02,498 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:56:02,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 18:56:02,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data/5ba800a97/d18c1f1332474956a1772b3a954acaea/FLAGe6b558d3d [2023-11-21 18:56:02,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data/5ba800a97/d18c1f1332474956a1772b3a954acaea [2023-11-21 18:56:02,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:56:02,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:56:02,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:56:02,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:56:02,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:56:02,566 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:56:02" (1/1) ... [2023-11-21 18:56:02,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8d8781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:56:02, skipping insertion in model container [2023-11-21 18:56:02,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:56:02" (1/1) ... [2023-11-21 18:56:02,653 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:56:03,400 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_2659ecee-24d0-4c37-be1a-f2a31446fafe/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 18:56:03,401 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@174bc3a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:56:03, skipping insertion in model container [2023-11-21 18:56:03,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:56:03,402 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 18:56:03,404 INFO L158 Benchmark]: Toolchain (without parser) took 847.97ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 69.2MB in the beginning and 123.0MB in the end (delta: -53.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:56:03,405 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:56:03,407 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.05ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 68.9MB in the beginning and 123.0MB in the end (delta: -54.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:56:03,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.05ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 68.9MB in the beginning and 123.0MB in the end (delta: -54.0MB). Peak memory consumption was 10.5MB. 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_2659ecee-24d0-4c37-be1a-f2a31446fafe/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_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:56:06,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:56:06,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-21 18:56:06,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:56:06,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 18:56:06,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:56:06,475 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 18:56:06,475 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 18:56:06,476 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:56:06,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 18:56:06,483 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 18:56:06,483 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 18:56:06,484 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 18:56:06,486 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 18:56:06,486 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 18:56:06,487 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 18:56:06,488 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:56:06,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:56:06,489 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:56:06,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:56:06,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:56:06,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:56:06,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:56:06,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:56:06,493 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 18:56:06,494 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:56:06,494 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:56:06,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:56:06,495 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:56:06,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:56:06,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:56:06,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:56:06,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 18:56:06,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 18:56:06,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 18:56:06,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:56:06,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:56:06,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:56:06,500 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:56:06,501 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:56:06,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 18:56:06,502 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:56:06,502 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 18:56:06,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:56:06,503 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_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-21 18:56:06,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:56:07,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:56:07,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:56:07,025 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:56:07,025 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:56:07,029 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 18:56:10,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:56:10,669 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:56:10,670 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 18:56:10,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data/3e1c5d367/674bfedb71d74937b7222c1e564566cb/FLAGa484dc3d0 [2023-11-21 18:56:10,716 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2659ecee-24d0-4c37-be1a-f2a31446fafe/bin/utaipan-verify-QoSU8krkJ5/data/3e1c5d367/674bfedb71d74937b7222c1e564566cb [2023-11-21 18:56:10,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:56:10,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:56:10,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:56:10,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:56:10,729 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:56:10,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:56:10" (1/1) ... [2023-11-21 18:56:10,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70702561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:56:10, skipping insertion in model container [2023-11-21 18:56:10,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:56:10" (1/1) ... [2023-11-21 18:56:10,822 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:56:11,783 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_2659ecee-24d0-4c37-be1a-f2a31446fafe/sv-benchmarks/c/pthread/twostage_3.i [2023-11-21 18:56:11,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@527c4f4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:56:11, skipping insertion in model container [2023-11-21 18:56:11,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:56:11,787 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-21 18:56:11,789 INFO L158 Benchmark]: Toolchain (without parser) took 1067.36ms. Allocated memory is still 94.4MB. Free memory was 68.2MB in the beginning and 51.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:56:11,790 INFO L158 Benchmark]: CDTParser took 3.30ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:56:11,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1064.23ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 51.8MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:56:11,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.30ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1064.23ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 51.8MB in the end (delta: 16.1MB). 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_2659ecee-24d0-4c37-be1a-f2a31446fafe/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