./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c45fd7cfbad1c12ff3ef6a6150c824b5f7de404c290f417bc2834c0c8e69422 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:54,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:54,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:54,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:54,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:54,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:54,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:54,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:54,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:54,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:54,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:54,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:54,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:54,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:54,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:54,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:54,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:54,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:54,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:54,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:54,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:54,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:54,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:54,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:54,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:54,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:54,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:54,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:54,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:54,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:54,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:54,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:54,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:54,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:54,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:54,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:54,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:54,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:54,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:54,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:54,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:54,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:31:54,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:54,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:54,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:54,692 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:54,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:54,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:54,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:54,694 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:54,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:31:54,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:54,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:54,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:54,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:54,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:54,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:54,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:54,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:54,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:54,697 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:54,697 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:54,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:54,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:54,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:54,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:54,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:54,699 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:31:54,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:31:54,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:54,700 INFO L138 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_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c45fd7cfbad1c12ff3ef6a6150c824b5f7de404c290f417bc2834c0c8e69422 [2021-11-23 00:31:55,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:55,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:55,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:55,062 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:55,063 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:55,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c [2021-11-23 00:31:55,190 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/7da9eadd3/f4c6d6a454d6469298e4808b0e4c4233/FLAG249a3ab41 [2021-11-23 00:31:55,711 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:55,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c [2021-11-23 00:31:55,722 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/7da9eadd3/f4c6d6a454d6469298e4808b0e4c4233/FLAG249a3ab41 [2021-11-23 00:31:56,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/7da9eadd3/f4c6d6a454d6469298e4808b0e4c4233 [2021-11-23 00:31:56,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:56,082 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:56,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:56,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:56,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:56,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5c48d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56, skipping insertion in model container [2021-11-23 00:31:56,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:56,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:56,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-11-23 00:31:56,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:56,343 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:56,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-11-23 00:31:56,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:56,379 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:56,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56 WrapperNode [2021-11-23 00:31:56,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:56,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:56,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:56,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:56,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,418 INFO L137 Inliner]: procedures = 21, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2021-11-23 00:31:56,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:56,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:56,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:56,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:56,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:56,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:56,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:56,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:56,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:56" (1/1) ... [2021-11-23 00:31:56,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:56,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:56,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:56,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:56,540 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:31:56,541 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:31:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:31:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:31:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:31:56,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:31:56,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:31:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:31:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:31:56,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:31:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:31:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:31:56,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:31:56,546 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:31:56,680 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:56,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:56,933 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:56,995 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:56,995 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:31:56,996 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: assume_abort_if_notENTRY is neither atomic block end nor a sink node. [2021-11-23 00:31:57,000 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:31:57,004 INFO L158 Benchmark]: Toolchain (without parser) took 921.40ms. Allocated memory is still 127.9MB. Free memory was 95.4MB in the beginning and 86.6MB in the end (delta: 8.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 00:31:57,005 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 90.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:57,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.71ms. Allocated memory is still 127.9MB. Free memory was 95.4MB in the beginning and 103.2MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:31:57,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.26ms. Allocated memory is still 127.9MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:57,008 INFO L158 Benchmark]: Boogie Preprocessor took 26.71ms. Allocated memory is still 127.9MB. Free memory was 101.7MB in the beginning and 100.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:57,009 INFO L158 Benchmark]: RCFGBuilder took 553.68ms. Allocated memory is still 127.9MB. Free memory was 100.4MB in the beginning and 86.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:31:57,013 INFO L339 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 90.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.71ms. Allocated memory is still 127.9MB. Free memory was 95.4MB in the beginning and 103.2MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.26ms. Allocated memory is still 127.9MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.71ms. Allocated memory is still 127.9MB. Free memory was 101.7MB in the beginning and 100.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.68ms. Allocated memory is still 127.9MB. Free memory was 100.4MB in the beginning and 86.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:31:57,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2c45fd7cfbad1c12ff3ef6a6150c824b5f7de404c290f417bc2834c0c8e69422 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:59,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:59,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:59,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:59,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:59,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:59,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:59,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:59,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:59,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:59,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:59,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:59,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:59,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:59,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:59,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:59,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:59,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:59,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:59,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:59,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:59,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:59,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:59,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:59,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:59,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:59,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:59,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:59,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:59,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:59,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:59,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:59,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:59,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:59,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:59,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:59,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:59,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:59,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:59,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:59,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:59,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:31:59,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:59,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:59,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:59,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:59,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:59,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:59,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:59,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:59,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:59,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:59,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:59,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:59,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:59,968 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:31:59,968 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:31:59,968 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:31:59,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:59,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:59,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:59,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:59,970 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:59,970 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:59,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:59,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:59,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:59,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:59,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:59,972 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:31:59,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:31:59,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:59,972 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:31:59,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:31:59,973 INFO L138 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_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2c45fd7cfbad1c12ff3ef6a6150c824b5f7de404c290f417bc2834c0c8e69422 [2021-11-23 00:32:00,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:32:00,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:32:00,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:32:00,512 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:32:00,513 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:32:00,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c [2021-11-23 00:32:00,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/d5739ba87/46b2bdff4ec943e68693be93fd8efc1d/FLAG4342a60ec [2021-11-23 00:32:01,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:32:01,254 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c [2021-11-23 00:32:01,266 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/d5739ba87/46b2bdff4ec943e68693be93fd8efc1d/FLAG4342a60ec [2021-11-23 00:32:01,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/data/d5739ba87/46b2bdff4ec943e68693be93fd8efc1d [2021-11-23 00:32:01,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:32:01,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:32:01,557 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:32:01,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:32:01,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:32:01,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:01,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64222353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01, skipping insertion in model container [2021-11-23 00:32:01,568 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:01,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:32:01,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:32:01,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-11-23 00:32:01,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:32:01,846 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:32:01,875 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/sv-benchmarks/c/weaver/parallel-ticket-2.wvr.c[2652,2665] [2021-11-23 00:32:01,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:32:01,902 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:32:01,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01 WrapperNode [2021-11-23 00:32:01,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:32:01,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:32:01,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:32:01,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:32:01,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:01,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:01,990 INFO L137 Inliner]: procedures = 23, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-23 00:32:01,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:32:01,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:32:01,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:32:01,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:32:02,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:32:02,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:32:02,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:32:02,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:32:02,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:32:01" (1/1) ... [2021-11-23 00:32:02,053 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:32:02,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:32:02,080 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:32:02,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:32:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:32:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:32:02,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:32:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:32:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:32:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:32:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:32:02,126 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:32:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:32:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:32:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:32:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:32:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:32:02,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:32:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:32:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:32:02,130 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:32:02,219 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:32:02,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:32:02,527 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:32:02,672 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:32:02,673 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 00:32:02,673 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: assume_abort_if_notENTRY is neither atomic block end nor a sink node. [2021-11-23 00:32:02,674 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 00:32:02,679 INFO L158 Benchmark]: Toolchain (without parser) took 1125.46ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 29.2MB in the beginning and 53.3MB in the end (delta: -24.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 00:32:02,679 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:32:02,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.13ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 55.2MB in the end (delta: -26.2MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-11-23 00:32:02,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.91ms. Allocated memory is still 71.3MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:32:02,683 INFO L158 Benchmark]: Boogie Preprocessor took 47.76ms. Allocated memory is still 71.3MB. Free memory was 53.5MB in the beginning and 52.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:32:02,684 INFO L158 Benchmark]: RCFGBuilder took 635.19ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 53.3MB in the end (delta: -1.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 00:32:02,688 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 52.4MB. Free memory was 34.3MB in the beginning and 34.2MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.13ms. Allocated memory was 52.4MB in the beginning and 71.3MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 55.2MB in the end (delta: -26.2MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.91ms. Allocated memory is still 71.3MB. Free memory was 55.2MB in the beginning and 53.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.76ms. Allocated memory is still 71.3MB. Free memory was 53.5MB in the beginning and 52.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 635.19ms. Allocated memory is still 71.3MB. Free memory was 52.2MB in the beginning and 53.3MB in the end (delta: -1.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:32:02,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_442a1715-556b-4b0b-a51e-e36905882a70/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?