./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 801883caffd8b582a36607f9ec62109ac5c5dc10c811693a281fb396b4b60131 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:05,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:06,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:53:06,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:06,062 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:06,091 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:06,092 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:06,093 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:06,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:06,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:06,095 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:06,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:06,096 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:06,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:06,098 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:06,098 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:06,099 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:06,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:06,100 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:06,101 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:06,101 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:06,102 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:06,103 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:06,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:06,104 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:06,104 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:06,105 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:06,106 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:06,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:06,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:06,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:06,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:06,108 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:06,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:06,109 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:06,110 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_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 801883caffd8b582a36607f9ec62109ac5c5dc10c811693a281fb396b4b60131 [2023-11-21 18:53:06,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:06,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:06,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:06,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:06,444 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:06,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-pthread.i [2023-11-21 18:53:09,604 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:09,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:09,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-pthread.i [2023-11-21 18:53:09,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data/5068c783b/122cc98a1a2c4c22b6c7436c4b0944de/FLAG633c51d00 [2023-11-21 18:53:09,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data/5068c783b/122cc98a1a2c4c22b6c7436c4b0944de [2023-11-21 18:53:09,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:09,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:09,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:09,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:09,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:09,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:09" (1/1) ... [2023-11-21 18:53:09,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac370c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:09, skipping insertion in model container [2023-11-21 18:53:09,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:09" (1/1) ... [2023-11-21 18:53:10,034 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:10,400 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:10,415 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:10,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:10,557 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:10,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10 WrapperNode [2023-11-21 18:53:10,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:10,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:10,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:10,559 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:10,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,603 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,634 INFO L138 Inliner]: procedures = 165, calls = 21, calls flagged for inlining = 4, calls inlined = 5, statements flattened = 75 [2023-11-21 18:53:10,634 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:10,635 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:10,635 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:10,635 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:10,645 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,679 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:10,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:10,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:10,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:10,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:10" (1/1) ... [2023-11-21 18:53:10,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:10,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:10,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:10,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:53:10,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:53:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:53:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:53:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:53:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:53:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:53:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:10,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:10,762 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:53:10,892 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:10,894 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:11,072 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:11,116 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:11,116 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:11,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:11 BoogieIcfgContainer [2023-11-21 18:53:11,118 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:11,119 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:11,119 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:11,131 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:11,131 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:11" (1/1) ... [2023-11-21 18:53:11,132 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) [2023-11-21 18:53:11,137 INFO L158 Benchmark]: Toolchain (without parser) took 1187.62ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 84.6MB in the beginning and 135.5MB in the end (delta: -50.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:11,137 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:11,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.03ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 84.2MB in the beginning and 154.4MB in the end (delta: -70.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-21 18:53:11,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.39ms. Allocated memory is still 188.7MB. Free memory was 154.4MB in the beginning and 152.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:11,139 INFO L158 Benchmark]: Boogie Preprocessor took 44.25ms. Allocated memory is still 188.7MB. Free memory was 152.3MB in the beginning and 151.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:11,140 INFO L158 Benchmark]: RCFGBuilder took 438.23ms. Allocated memory is still 188.7MB. Free memory was 151.1MB in the beginning and 136.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:53:11,141 INFO L158 Benchmark]: CodeCheck took 16.11ms. Allocated memory is still 188.7MB. Free memory was 136.4MB in the beginning and 135.5MB in the end (delta: 928.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:11,145 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 0.16ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.03ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 84.2MB in the beginning and 154.4MB in the end (delta: -70.2MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.39ms. Allocated memory is still 188.7MB. Free memory was 154.4MB in the beginning and 152.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.25ms. Allocated memory is still 188.7MB. Free memory was 152.3MB in the beginning and 151.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.23ms. Allocated memory is still 188.7MB. Free memory was 151.1MB in the beginning and 136.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 16.11ms. Allocated memory is still 188.7MB. Free memory was 136.4MB in the beginning and 135.5MB in the end (delta: 928.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:53:11,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/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_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 801883caffd8b582a36607f9ec62109ac5c5dc10c811693a281fb396b4b60131 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:13,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:13,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:53:14,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:14,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:14,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:14,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:14,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:14,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:14,023 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:14,023 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:14,024 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:14,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:14,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:14,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:14,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:14,028 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:53:14,028 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:53:14,029 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:14,029 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:53:14,030 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:14,030 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:14,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:14,031 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:14,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:14,033 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:14,033 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:14,034 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:14,034 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:53:14,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:14,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:14,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:14,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:14,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:14,038 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:53:14,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:53:14,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:14,039 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:53:14,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:53:14,040 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_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 801883caffd8b582a36607f9ec62109ac5c5dc10c811693a281fb396b4b60131 [2023-11-21 18:53:14,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:14,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:14,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:14,506 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:14,506 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:14,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-pthread.i [2023-11-21 18:53:17,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:18,025 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:18,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs-pthread.i [2023-11-21 18:53:18,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data/bf5fc1abf/f0426b949c4a4bc9a67400a1846e8142/FLAGd2ad79647 [2023-11-21 18:53:18,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/data/bf5fc1abf/f0426b949c4a4bc9a67400a1846e8142 [2023-11-21 18:53:18,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:18,072 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:18,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:18,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:18,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:18,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451d26b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18, skipping insertion in model container [2023-11-21 18:53:18,081 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:18,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:18,589 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:18,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:18,739 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:18,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18 WrapperNode [2023-11-21 18:53:18,740 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:18,741 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:18,741 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:18,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:18,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,785 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,822 INFO L138 Inliner]: procedures = 169, calls = 21, calls flagged for inlining = 4, calls inlined = 5, statements flattened = 75 [2023-11-21 18:53:18,823 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:18,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:18,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:18,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:18,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,851 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,873 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:18,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:18,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:18,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:18,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:18" (1/1) ... [2023-11-21 18:53:18,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:18,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:18,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:18,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:53:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:53:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:53:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:53:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:53:18,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:53:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:53:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:53:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:53:18,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:18,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:18,987 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:53:19,144 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:19,150 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:19,441 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:19,484 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:19,484 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:19,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:19 BoogieIcfgContainer [2023-11-21 18:53:19,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:19,488 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:19,488 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:19,499 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:19,499 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:19" (1/1) ... [2023-11-21 18:53:19,500 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) [2023-11-21 18:53:19,507 INFO L158 Benchmark]: Toolchain (without parser) took 1433.51ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 52.3MB in the end (delta: 19.1MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-21 18:53:19,508 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:19,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.30ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 72.9MB in the end (delta: -1.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:19,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.97ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:53:19,511 INFO L158 Benchmark]: Boogie Preprocessor took 75.62ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 68.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:19,512 INFO L158 Benchmark]: RCFGBuilder took 586.52ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 53.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:53:19,513 INFO L158 Benchmark]: CodeCheck took 17.26ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 52.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:53:19,523 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 0.33ms. Allocated memory is still 65.0MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.30ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 72.9MB in the end (delta: -1.7MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.97ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 70.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.62ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 68.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.52ms. Allocated memory is still 96.5MB. Free memory was 68.6MB in the beginning and 53.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 17.26ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 52.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:53:19,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c203fdb-3934-4d18-b707-e1d0d7bd5166/bin/ukojak-verify-i0I2FZA1j2/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