./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/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_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:51,261 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:51,378 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-21 18:37:51,386 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:51,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:51,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:51,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:51,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:51,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:51,432 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:37:51,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:51,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:37:51,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:51,435 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:37:51,436 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:37:51,436 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:37:51,436 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:51,437 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:51,437 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:37:51,438 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:51,438 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:51,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:51,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:51,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:51,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:51,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:51,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:51,442 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:51,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:51,449 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_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-21 18:37:51,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:51,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:51,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:51,794 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:51,794 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:51,796 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:37:54,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:55,222 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:55,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:37:55,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data/7332a08a0/2709f3b90ca94980b9b908c8db33ac62/FLAG10103be75 [2023-11-21 18:37:55,270 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data/7332a08a0/2709f3b90ca94980b9b908c8db33ac62 [2023-11-21 18:37:55,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:55,278 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:55,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:55,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:55,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:55,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:55" (1/1) ... [2023-11-21 18:37:55,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca20de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:55, skipping insertion in model container [2023-11-21 18:37:55,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:55" (1/1) ... [2023-11-21 18:37:55,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:56,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:56,068 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:56,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:56,206 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:56,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56 WrapperNode [2023-11-21 18:37:56,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:56,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:56,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:56,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:56,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,292 INFO L138 Inliner]: procedures = 278, calls = 41, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 160 [2023-11-21 18:37:56,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:56,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:56,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:56,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:56,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,361 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:56,377 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:56,377 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:56,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:56,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:56" (1/1) ... [2023-11-21 18:37:56,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:56,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:56,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:56,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:37:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:37:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:37:56,467 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:37:56,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:37:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:37:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:37:56,468 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:37:56,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:56,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:56,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:56,472 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 18:37:56,704 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:56,707 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:57,074 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:57,099 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:57,100 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:37:57,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:57 BoogieIcfgContainer [2023-11-21 18:37:57,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:57,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:57,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:57,114 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:57,115 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:57" (1/1) ... [2023-11-21 18:37:57,116 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 18:37:57,119 INFO L158 Benchmark]: Toolchain (without parser) took 1840.93ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 84.0MB in the beginning and 123.5MB in the end (delta: -39.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:57,120 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory was 100.0MB in the beginning and 99.9MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:57,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 926.24ms. Allocated memory is still 130.0MB. Free memory was 84.0MB in the beginning and 54.1MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 18:37:57,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.16ms. Allocated memory is still 130.0MB. Free memory was 54.1MB in the beginning and 100.0MB in the end (delta: -45.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:57,122 INFO L158 Benchmark]: Boogie Preprocessor took 67.71ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 100.0MB in the beginning and 145.4MB in the end (delta: -45.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2023-11-21 18:37:57,123 INFO L158 Benchmark]: RCFGBuilder took 725.39ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 124.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:37:57,123 INFO L158 Benchmark]: CodeCheck took 14.89ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 123.5MB in the end (delta: 866.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:57,132 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 0.39ms. Allocated memory is still 130.0MB. Free memory was 100.0MB in the beginning and 99.9MB in the end (delta: 76.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 926.24ms. Allocated memory is still 130.0MB. Free memory was 84.0MB in the beginning and 54.1MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.16ms. Allocated memory is still 130.0MB. Free memory was 54.1MB in the beginning and 100.0MB in the end (delta: -45.9MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.71ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 100.0MB in the beginning and 145.4MB in the end (delta: -45.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 725.39ms. Allocated memory is still 174.1MB. Free memory was 145.4MB in the beginning and 124.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 14.89ms. Allocated memory is still 174.1MB. Free memory was 124.4MB in the beginning and 123.5MB in the end (delta: 866.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:37:57,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/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_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/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_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:37:59,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:38:00,002 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2023-11-21 18:38:00,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:38:00,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:38:00,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:38:00,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:38:00,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:38:00,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:38:00,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:38:00,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:38:00,057 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-21 18:38:00,058 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-21 18:38:00,058 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-21 18:38:00,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:38:00,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:38:00,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:38:00,062 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:38:00,062 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:38:00,063 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:38:00,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:38:00,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:38:00,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:38:00,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:38:00,066 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:38:00,066 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:38:00,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:38:00,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:00,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:38:00,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:38:00,070 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:38:00,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:38:00,070 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:38:00,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:38:00,071 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_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2023-11-21 18:38:00,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:38:00,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:38:00,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:38:00,464 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:38:00,464 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:38:00,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:38:03,677 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:38:04,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:38:04,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/sv-benchmarks/c/pthread/stack_longest-2.i [2023-11-21 18:38:04,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data/7163d497d/633756c3fa354bcea4d8db2b2dd97a98/FLAG7c3b8b2e8 [2023-11-21 18:38:04,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/data/7163d497d/633756c3fa354bcea4d8db2b2dd97a98 [2023-11-21 18:38:04,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:38:04,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:38:04,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:04,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:38:04,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:38:04,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:04" (1/1) ... [2023-11-21 18:38:04,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40d2e172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:04, skipping insertion in model container [2023-11-21 18:38:04,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:38:04" (1/1) ... [2023-11-21 18:38:04,184 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:38:04,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:04,900 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:38:04,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:38:05,183 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:38:05,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05 WrapperNode [2023-11-21 18:38:05,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:38:05,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:05,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:38:05,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:38:05,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,278 INFO L138 Inliner]: procedures = 282, calls = 41, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 157 [2023-11-21 18:38:05,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:38:05,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:38:05,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:38:05,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:38:05,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:38:05,368 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:38:05,368 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:38:05,368 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:38:05,369 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:38:05" (1/1) ... [2023-11-21 18:38:05,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:38:05,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:38:05,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:38:05,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:38:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:38:05,456 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:38:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:38:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:38:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:38:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:38:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:38:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:38:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:38:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:38:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:38:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:38:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:38:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:38:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:38:05,462 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 18:38:05,672 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:38:05,675 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:38:06,033 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:38:06,063 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:38:06,063 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:38:06,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:06 BoogieIcfgContainer [2023-11-21 18:38:06,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:38:06,066 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:38:06,067 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:38:06,076 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:38:06,076 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:38:06" (1/1) ... [2023-11-21 18:38:06,077 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 18:38:06,082 INFO L158 Benchmark]: Toolchain (without parser) took 1988.81ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 188.9kB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-11-21 18:38:06,083 INFO L158 Benchmark]: CDTParser took 2.53ms. Allocated memory is still 81.8MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:38:06,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1085.30ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 84.6MB in the end (delta: -28.8MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-21 18:38:06,085 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.74ms. Allocated memory is still 115.3MB. Free memory was 84.6MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:38:06,086 INFO L158 Benchmark]: Boogie Preprocessor took 86.93ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:38:06,086 INFO L158 Benchmark]: RCFGBuilder took 697.87ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 56.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:38:06,087 INFO L158 Benchmark]: CodeCheck took 14.12ms. Allocated memory is still 115.3MB. Free memory was 56.6MB in the beginning and 55.6MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:38:06,091 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 2.53ms. Allocated memory is still 81.8MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1085.30ms. Allocated memory was 81.8MB in the beginning and 115.3MB in the end (delta: 33.6MB). Free memory was 55.7MB in the beginning and 84.6MB in the end (delta: -28.8MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.74ms. Allocated memory is still 115.3MB. Free memory was 84.6MB in the beginning and 82.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.93ms. Allocated memory is still 115.3MB. Free memory was 82.0MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.87ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 56.8MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 14.12ms. Allocated memory is still 115.3MB. Free memory was 56.6MB in the beginning and 55.6MB in the end (delta: 1.0MB). 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 18:38:06,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6614f73-2e1f-47dd-8811-2ed9d77beb1a/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