./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/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_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/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_50fca158-8cd1-4111-a324-6891f7737fff/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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:25,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:25,439 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:40:25,445 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:25,445 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:25,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:25,470 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:25,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:25,472 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:25,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:25,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:25,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:25,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:25,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:25,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:25,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:25,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:25,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:25,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:25,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:25,478 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:25,479 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:25,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:25,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:25,480 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:25,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:25,481 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:25,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:25,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:25,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:25,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:25,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:25,484 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:25,485 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:25,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:25,487 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_50fca158-8cd1-4111-a324-6891f7737fff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-21 18:40:25,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:25,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:25,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:25,829 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:25,829 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:25,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:40:28,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:29,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:29,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:40:29,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data/268e9e8e5/f15ae255199347a5ba8a50b6aec03911/FLAGa55053ecf [2023-11-21 18:40:29,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data/268e9e8e5/f15ae255199347a5ba8a50b6aec03911 [2023-11-21 18:40:29,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:29,254 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:29,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:29,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:29,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:29,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:29" (1/1) ... [2023-11-21 18:40:29,265 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@278b46a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:29, skipping insertion in model container [2023-11-21 18:40:29,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:29" (1/1) ... [2023-11-21 18:40:29,334 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:29,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:29,829 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:29,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:30,008 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:30,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30 WrapperNode [2023-11-21 18:40:30,008 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:30,010 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:30,010 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:30,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:30,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,052 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,101 INFO L138 Inliner]: procedures = 278, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 162 [2023-11-21 18:40:30,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:30,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:30,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:30,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:30,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,140 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:30,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:30,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:30,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:30,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:30,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:30,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:30,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:40:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:40:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:40:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:40:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:40:30,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:40:30,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:40:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:40:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:40:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:40:30,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:30,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:30,272 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 18:40:30,457 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:30,459 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:30,717 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:30,743 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:30,744 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:40:30,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:30 BoogieIcfgContainer [2023-11-21 18:40:30,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:30,751 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:30,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:30,761 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:30,763 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:30" (1/1) ... [2023-11-21 18:40:30,765 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 18:40:30,769 INFO L158 Benchmark]: Toolchain (without parser) took 1513.79ms. Allocated memory is still 157.3MB. Free memory was 112.6MB in the beginning and 95.4MB in the end (delta: 17.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,770 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:30,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 752.71ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 121.8MB in the end (delta: -9.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,772 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.91ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 118.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,773 INFO L158 Benchmark]: Boogie Preprocessor took 69.78ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 117.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:30,774 INFO L158 Benchmark]: RCFGBuilder took 577.50ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 96.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,775 INFO L158 Benchmark]: CodeCheck took 16.35ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 95.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:40:30,785 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 0.24ms. Allocated memory is still 113.2MB. Free memory was 81.3MB in the beginning and 81.3MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 752.71ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 121.8MB in the end (delta: -9.7MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.91ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 118.5MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.78ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 117.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 577.50ms. Allocated memory is still 157.3MB. Free memory was 116.4MB in the beginning and 96.6MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 16.35ms. Allocated memory is still 157.3MB. Free memory was 96.6MB in the beginning and 95.4MB 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. [2023-11-21 18:40:30,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/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_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/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_50fca158-8cd1-4111-a324-6891f7737fff/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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:33,461 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:33,568 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:40:33,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:33,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:33,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:33,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:33,635 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:33,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:33,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:33,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:40:33,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:40:33,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:33,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:33,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:33,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:33,646 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:40:33,646 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:40:33,646 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:33,647 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:40:33,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:33,648 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:40:33,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:33,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:33,649 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:33,650 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:33,650 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:33,651 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:33,651 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:40:33,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:33,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:33,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:33,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:33,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:33,654 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:40:33,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:33,655 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:33,655 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:40:33,655 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:40:33,656 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_50fca158-8cd1-4111-a324-6891f7737fff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-21 18:40:34,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:34,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:34,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:34,105 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:34,105 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:34,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:40:37,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:37,653 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:37,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-21 18:40:37,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data/b4f265848/6389b1ebe7f640a594241d666c33b59f/FLAG2e8d80db8 [2023-11-21 18:40:37,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/data/b4f265848/6389b1ebe7f640a594241d666c33b59f [2023-11-21 18:40:37,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:37,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:37,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:37,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:37,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:37,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:37" (1/1) ... [2023-11-21 18:40:37,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632ed07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:37, skipping insertion in model container [2023-11-21 18:40:37,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:37" (1/1) ... [2023-11-21 18:40:37,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:38,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:38,346 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:38,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:38,533 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:38,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38 WrapperNode [2023-11-21 18:40:38,534 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:38,535 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:38,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:38,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:38,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,640 INFO L138 Inliner]: procedures = 282, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-11-21 18:40:38,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:38,643 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:38,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:38,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:38,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,714 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:38,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:38,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:38,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:38,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:38" (1/1) ... [2023-11-21 18:40:38,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:38,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:38,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:38,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:40:38,831 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:40:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:40:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:40:38,832 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:40:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:40:38,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:40:38,833 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-21 18:40:38,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-21 18:40:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:40:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-21 18:40:38,834 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-21 18:40:38,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:38,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:38,836 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 18:40:39,017 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:39,020 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:39,335 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:39,391 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:39,396 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:40:39,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:39 BoogieIcfgContainer [2023-11-21 18:40:39,398 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:39,399 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:39,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:39,409 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:39,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:39" (1/1) ... [2023-11-21 18:40:39,410 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 18:40:39,417 INFO L158 Benchmark]: Toolchain (without parser) took 1709.50ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 31.8MB in the end (delta: 18.6MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-21 18:40:39,417 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 58.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:39,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.95ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 37.1MB in the end (delta: 13.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-21 18:40:39,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.34ms. Allocated memory is still 75.5MB. Free memory was 37.1MB in the beginning and 34.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:40:39,421 INFO L158 Benchmark]: Boogie Preprocessor took 85.55ms. Allocated memory is still 75.5MB. Free memory was 34.3MB in the beginning and 31.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:40:39,421 INFO L158 Benchmark]: RCFGBuilder took 669.07ms. Allocated memory is still 75.5MB. Free memory was 31.9MB in the beginning and 32.9MB in the end (delta: -936.2kB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-11-21 18:40:39,422 INFO L158 Benchmark]: CodeCheck took 16.16ms. Allocated memory is still 75.5MB. Free memory was 32.9MB in the beginning and 31.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:39,432 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 0.25ms. Allocated memory is still 58.7MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 58.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 825.95ms. Allocated memory is still 75.5MB. Free memory was 50.2MB in the beginning and 37.1MB in the end (delta: 13.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.34ms. Allocated memory is still 75.5MB. Free memory was 37.1MB in the beginning and 34.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.55ms. Allocated memory is still 75.5MB. Free memory was 34.3MB in the beginning and 31.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.07ms. Allocated memory is still 75.5MB. Free memory was 31.9MB in the beginning and 32.9MB in the end (delta: -936.2kB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * CodeCheck took 16.16ms. Allocated memory is still 75.5MB. Free memory was 32.9MB in the beginning and 31.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:40:39,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50fca158-8cd1-4111-a324-6891f7737fff/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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