./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 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_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/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_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/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_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire --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 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 20:37:35,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:35,228 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-23 20:37:35,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:35,237 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:35,281 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:35,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:35,283 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:35,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:35,284 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:35,285 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:35,285 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:35,286 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:35,286 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:35,287 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:35,287 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:35,288 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:35,288 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:35,289 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:35,289 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:35,290 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:35,292 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:35,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:35,293 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:35,294 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:35,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:35,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:35,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:35,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:35,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:35,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:35,297 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:37:35,297 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:37:35,297 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:35,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:35,298 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:35,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:35,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:35,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:35,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:35,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:35,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:35,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:35,300 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:35,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:35,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:35,300 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:35,300 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:35,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:35,301 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_52cd8b99-5230-49ab-a57d-c695f4a96387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-23 20:37:35,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:35,565 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:35,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:35,568 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:35,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:35,570 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:37:38,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:38,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:38,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:37:39,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data/25e5977d3/fd3f764c7f874c369b134e9bf6d1abce/FLAGcdcba4e93 [2023-11-23 20:37:39,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data/25e5977d3/fd3f764c7f874c369b134e9bf6d1abce [2023-11-23 20:37:39,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:39,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:39,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:39,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:39,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:39,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:39" (1/1) ... [2023-11-23 20:37:39,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85ee697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:39, skipping insertion in model container [2023-11-23 20:37:39,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:39" (1/1) ... [2023-11-23 20:37:39,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:39,859 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_52cd8b99-5230-49ab-a57d-c695f4a96387/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:37:39,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@b5190db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:39, skipping insertion in model container [2023-11-23 20:37:39,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:39,860 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:37:39,863 INFO L158 Benchmark]: Toolchain (without parser) took 823.38ms. Allocated memory is still 161.5MB. Free memory was 127.2MB in the beginning and 111.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:37:39,863 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:39,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.82ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 111.1MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:37:39,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.82ms. Allocated memory is still 161.5MB. Free memory was 126.6MB in the beginning and 111.1MB in the end (delta: 15.6MB). 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_52cd8b99-5230-49ab-a57d-c695f4a96387/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_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/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_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/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_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire --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 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 20:37:42,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:42,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Overflow-32bit-Taipan_Bitvector.epf [2023-11-23 20:37:42,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:42,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:42,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:42,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:42,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:42,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:42,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:42,522 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:42,522 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:42,523 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:42,525 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:42,525 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:42,526 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:42,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:42,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:42,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:42,528 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:42,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:42,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:42,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:42,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:42,531 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:37:42,531 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:37:42,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:37:42,532 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:37:42,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:37:42,533 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:42,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:42,535 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:42,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:42,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:37:42,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:42,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:42,537 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:42,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:42,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:42,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:42,539 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:37:42,539 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:42,540 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:42,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:42,540 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:42,541 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:42,541 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_52cd8b99-5230-49ab-a57d-c695f4a96387/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1032ef3fe166161226ca7e81ea27802cfc3f516ad1e4b45c387461fe1ddeccf8 [2023-11-23 20:37:42,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:42,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:43,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:43,003 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:43,005 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:43,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:37:46,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:46,620 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:46,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:37:46,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data/49c5d7150/77c11219e3ff48aca436a5aaa49bff08/FLAGf50eb2e4c [2023-11-23 20:37:46,675 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52cd8b99-5230-49ab-a57d-c695f4a96387/bin/utaipan-verify-mE87zJ7Ire/data/49c5d7150/77c11219e3ff48aca436a5aaa49bff08 [2023-11-23 20:37:46,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:46,682 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:46,687 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:46,687 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:46,693 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:46,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:46" (1/1) ... [2023-11-23 20:37:46,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38607ee3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:46, skipping insertion in model container [2023-11-23 20:37:46,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:46" (1/1) ... [2023-11-23 20:37:46,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:47,622 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_52cd8b99-5230-49ab-a57d-c695f4a96387/sv-benchmarks/c/pthread/twostage_3.i [2023-11-23 20:37:47,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36ddb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:47, skipping insertion in model container [2023-11-23 20:37:47,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:47,623 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-11-23 20:37:47,625 INFO L158 Benchmark]: Toolchain (without parser) took 943.08ms. Allocated memory is still 107.0MB. Free memory was 79.3MB in the beginning and 62.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:37:47,626 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:47,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 936.45ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 62.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:37:47,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 936.45ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 62.9MB 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_52cd8b99-5230-49ab-a57d-c695f4a96387/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