./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 30e01a73 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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 20:33:01,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:01,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 20:33:01,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:01,159 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:01,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:01,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:01,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:01,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:01,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:01,206 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:01,206 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:01,207 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:01,208 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:33:01,209 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:01,209 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:01,210 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:33:01,210 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:33:01,211 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:01,211 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:33:01,211 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:33:01,212 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:33:01,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:01,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:01,214 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:01,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:33:01,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:01,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:01,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:01,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:01,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:01,218 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 20:33:01,218 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:33:01,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:01,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:01,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:01,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:01,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:01,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:01,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:01,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:01,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:01,221 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:33:01,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:33:01,222 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:01,222 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:01,222 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:01,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:01,222 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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-23 20:33:01,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:01,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:01,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:01,613 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:01,614 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:01,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:33:04,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:05,197 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:05,200 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:33:05,235 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data/f24a5d897/3c7b18f8702844559cd7aaaa29e0dccc/FLAGec6b725db [2023-11-23 20:33:05,251 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data/f24a5d897/3c7b18f8702844559cd7aaaa29e0dccc [2023-11-23 20:33:05,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:05,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:05,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:05,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:05,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:05,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e3956a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:05, skipping insertion in model container [2023-11-23 20:33:05,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:05" (1/1) ... [2023-11-23 20:33:05,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:06,145 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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:33:06,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c082e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:06, skipping insertion in model container [2023-11-23 20:33:06,146 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:06,147 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:33:06,150 INFO L158 Benchmark]: Toolchain (without parser) took 888.50ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 51.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:06,151 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:06,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.16ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 51.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:33:06,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.16ms. Allocated memory is still 117.4MB. Free memory was 67.0MB in the beginning and 51.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. 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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/twostage_3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire --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-30e01a7 [2023-11-23 20:33:08,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:33:08,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2023-11-23 20:33:08,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:33:08,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:33:08,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:33:08,813 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:33:08,813 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:33:08,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:33:08,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:33:08,816 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:33:08,816 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:33:08,817 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:33:08,817 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:33:08,818 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:33:08,818 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:33:08,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:33:08,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:33:08,820 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:33:08,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:33:08,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:33:08,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:33:08,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:33:08,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:33:08,823 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 20:33:08,824 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:33:08,824 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:33:08,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:33:08,825 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:33:08,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:33:08,826 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:33:08,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:33:08,827 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:33:08,827 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:33:08,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:33:08,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:33:08,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:33:08,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:33:08,830 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:33:08,830 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:33:08,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:33:08,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:33:08,832 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:33:08,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:33:08,833 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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-23 20:33:09,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:33:09,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:33:09,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:33:09,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:33:09,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:33:09,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:33:12,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:33:12,888 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:33:12,888 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:33:12,918 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data/f39a0b843/293db100ac0249de849daa73bc325e59/FLAGe1338a5ca [2023-11-23 20:33:12,935 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/bin/utaipan-verify-mE87zJ7Ire/data/f39a0b843/293db100ac0249de849daa73bc325e59 [2023-11-23 20:33:12,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:33:12,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:33:12,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:12,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:33:12,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:33:12,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:12" (1/1) ... [2023-11-23 20:33:12,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1050449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:12, skipping insertion in model container [2023-11-23 20:33:12,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:33:12" (1/1) ... [2023-11-23 20:33:13,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:33:13,909 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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:33:13,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e59fad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:33:13, skipping insertion in model container [2023-11-23 20:33:13,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:33:13,911 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:33:13,914 INFO L158 Benchmark]: Toolchain (without parser) took 973.24ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 33.2MB in the beginning and 77.3MB in the end (delta: -44.1MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,915 INFO L158 Benchmark]: CDTParser took 1.24ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:33:13,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.41ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 33.0MB in the beginning and 77.3MB in the end (delta: -44.3MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-23 20:33:13,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24ms. Allocated memory is still 69.2MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.41ms. Allocated memory was 69.2MB in the beginning and 109.1MB in the end (delta: 39.8MB). Free memory was 33.0MB in the beginning and 77.3MB in the end (delta: -44.3MB). Peak memory consumption was 8.3MB. 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_a7ed7a19-8566-4ca8-9f15-7e70157af0e6/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