./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:21:07,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:21:07,784 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:21:07,789 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:21:07,790 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:21:07,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:21:07,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:21:07,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:21:07,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:21:07,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:21:07,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:21:07,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:21:07,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:21:07,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:21:07,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:21:07,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:21:07,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:21:07,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:21:07,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:21:07,818 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:21:07,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:21:07,819 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:21:07,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:21:07,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:21:07,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:21:07,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:21:07,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:21:07,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:21:07,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:21:07,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:21:07,822 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:21:07,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:21:07,823 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:21:07,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2023-12-03 03:21:08,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:21:08,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:21:08,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:21:08,072 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:21:08,072 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:21:08,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2023-12-03 03:21:10,833 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:21:11,079 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:21:11,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i [2023-12-03 03:21:11,098 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data/5765ace31/42223e8aa27c40ff9fdfec1ec17d4391/FLAGd7fad90d5 [2023-12-03 03:21:11,113 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data/5765ace31/42223e8aa27c40ff9fdfec1ec17d4391 [2023-12-03 03:21:11,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:21:11,117 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:21:11,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:21:11,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:21:11,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:21:11,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ae8f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11, skipping insertion in model container [2023-12-03 03:21:11,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,187 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:21:11,546 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2023-12-03 03:21:11,553 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2023-12-03 03:21:11,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:21:11,570 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:21:11,617 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2023-12-03 03:21:11,621 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2023-12-03 03:21:11,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:21:11,713 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:21:11,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11 WrapperNode [2023-12-03 03:21:11,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:21:11,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:21:11,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:21:11,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:21:11,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,772 INFO L138 Inliner]: procedures = 275, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 182 [2023-12-03 03:21:11,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:21:11,773 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:21:11,773 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:21:11,773 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:21:11,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,801 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,807 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:21:11,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:21:11,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:21:11,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:21:11,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:11" (1/1) ... [2023-12-03 03:21:11,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:21:11,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:21:11,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:21:11,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:21:11,879 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-03 03:21:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-03 03:21:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-03 03:21:11,880 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-03 03:21:11,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:21:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-12-03 03:21:11,881 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-12-03 03:21:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:21:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-03 03:21:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:21:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:21:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-03 03:21:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:21:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:21:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:21:11,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:21:11,883 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:21:12,016 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:21:12,018 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:21:12,281 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:21:12,303 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:21:12,303 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:21:12,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:21:12 BoogieIcfgContainer [2023-12-03 03:21:12,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:21:12,306 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:21:12,306 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:21:12,315 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:21:12,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:21:12" (1/1) ... [2023-12-03 03:21:12,316 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-03 03:21:12,320 INFO L158 Benchmark]: Toolchain (without parser) took 1202.84ms. Allocated memory is still 144.7MB. Free memory was 90.4MB in the beginning and 76.3MB in the end (delta: 14.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-12-03 03:21:12,321 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:21:12,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.68ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 104.7MB in the end (delta: -14.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-03 03:21:12,322 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.41ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 101.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:21:12,323 INFO L158 Benchmark]: Boogie Preprocessor took 34.33ms. Allocated memory is still 144.7MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:21:12,323 INFO L158 Benchmark]: RCFGBuilder took 497.61ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 77.4MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:21:12,324 INFO L158 Benchmark]: CodeCheck took 12.87ms. Allocated memory is still 144.7MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:21:12,327 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 595.68ms. Allocated memory is still 144.7MB. Free memory was 90.2MB in the beginning and 104.7MB in the end (delta: -14.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.41ms. Allocated memory is still 144.7MB. Free memory was 104.5MB in the beginning and 101.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.33ms. Allocated memory is still 144.7MB. Free memory was 101.4MB in the beginning and 99.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.61ms. Allocated memory is still 144.7MB. Free memory was 99.3MB in the beginning and 77.4MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 12.87ms. Allocated memory is still 144.7MB. Free memory was 77.4MB in the beginning and 76.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:21:12,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:21:14,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:21:14,341 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:21:14,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:21:14,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:21:14,375 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:21:14,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:21:14,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:21:14,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:21:14,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:21:14,378 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:21:14,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:21:14,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:21:14,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:21:14,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:21:14,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:21:14,381 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:21:14,382 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:21:14,382 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:21:14,383 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:21:14,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:21:14,384 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:21:14,384 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:21:14,385 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:21:14,385 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:21:14,386 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:14,386 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:21:14,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:21:14,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:21:14,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:21:14,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:21:14,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:21:14,389 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:21:14,390 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:21:14,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:21:14,390 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:21:14,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:21:14,391 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2023-12-03 03:21:14,681 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:21:14,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:21:14,703 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:21:14,705 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:21:14,705 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:21:14,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2023-12-03 03:21:17,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:21:17,704 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:21:17,705 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i [2023-12-03 03:21:17,721 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data/444f6edc6/c20b8232129e4536b1c536d666f254b7/FLAGdaf63f81f [2023-12-03 03:21:17,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/data/444f6edc6/c20b8232129e4536b1c536d666f254b7 [2023-12-03 03:21:17,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:21:17,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:21:17,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:21:17,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:21:17,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:21:17,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:21:17" (1/1) ... [2023-12-03 03:21:17,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a6ef0af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:17, skipping insertion in model container [2023-12-03 03:21:17,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:21:17" (1/1) ... [2023-12-03 03:21:17,791 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:21:18,237 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2023-12-03 03:21:18,244 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2023-12-03 03:21:18,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:21:18,288 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:21:18,330 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43280,43293] [2023-12-03 03:21:18,333 WARN L240 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_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/sv-benchmarks/c/pthread/queue_ok_longest.i[43553,43566] [2023-12-03 03:21:18,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:21:18,409 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:21:18,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18 WrapperNode [2023-12-03 03:21:18,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:21:18,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:21:18,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:21:18,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:21:18,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,467 INFO L138 Inliner]: procedures = 279, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 178 [2023-12-03 03:21:18,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:21:18,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:21:18,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:21:18,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:21:18,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,495 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,499 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:21:18,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:21:18,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:21:18,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:21:18,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:21:18" (1/1) ... [2023-12-03 03:21:18,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:21:18,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:21:18,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:21:18,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:21:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:21:18,583 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-03 03:21:18,584 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-03 03:21:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-03 03:21:18,584 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-03 03:21:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:21:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-12-03 03:21:18,584 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-12-03 03:21:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:21:18,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:21:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:21:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 03:21:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-03 03:21:18,585 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-03 03:21:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:21:18,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:21:18,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:21:18,587 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:21:18,736 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:21:18,739 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:21:19,073 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:21:19,096 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:21:19,096 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:21:19,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:21:19 BoogieIcfgContainer [2023-12-03 03:21:19,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:21:19,098 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:21:19,098 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:21:19,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:21:19,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:21:19" (1/1) ... [2023-12-03 03:21:19,115 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-12-03 03:21:19,120 INFO L158 Benchmark]: Toolchain (without parser) took 1381.27ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 56.3MB in the beginning and 73.7MB in the end (delta: -17.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-12-03 03:21:19,120 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:21:19,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.67ms. Allocated memory is still 81.8MB. Free memory was 56.1MB in the beginning and 42.2MB in the end (delta: 13.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-12-03 03:21:19,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.33ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 39.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:21:19,122 INFO L158 Benchmark]: Boogie Preprocessor took 47.61ms. Allocated memory is still 81.8MB. Free memory was 39.3MB in the beginning and 58.8MB in the end (delta: -19.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-12-03 03:21:19,123 INFO L158 Benchmark]: RCFGBuilder took 581.05ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 34.5MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 03:21:19,124 INFO L158 Benchmark]: CodeCheck took 19.96ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 73.7MB in the end (delta: -39.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:21:19,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.67ms. Allocated memory is still 81.8MB. Free memory was 56.1MB in the beginning and 42.2MB in the end (delta: 13.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.33ms. Allocated memory is still 81.8MB. Free memory was 42.2MB in the beginning and 39.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.61ms. Allocated memory is still 81.8MB. Free memory was 39.3MB in the beginning and 58.8MB in the end (delta: -19.5MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.05ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 34.5MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 19.96ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 73.7MB in the end (delta: -39.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:21:19,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a7c0655-c294-45b7-ab73-0e69bdafdaa9/bin/ukojak-verify-Qdu7aM0XO9/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: Concurrent programs are currently unsupported