./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-12.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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:26,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:26,441 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:55:26,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:26,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:26,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:26,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:26,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:26,476 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:26,476 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:26,477 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:26,478 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:26,478 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:26,479 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:26,480 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:26,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:26,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:26,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:26,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:26,483 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:26,483 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:26,484 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:26,484 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:26,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:26,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:26,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:26,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:26,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:26,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:26,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:26,489 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:26,489 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:26,489 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:26,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:26,490 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:26,490 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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2023-11-21 18:55:26,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:26,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:26,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:26,858 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:26,859 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:26,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2023-11-21 18:55:29,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:30,307 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:30,308 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/sv-benchmarks/c/pthread/fib_unsafe-12.i [2023-11-21 18:55:30,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data/c0ed4ab5c/adf9144cec9346d685b10e773d18737d/FLAG586e1db7d [2023-11-21 18:55:30,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data/c0ed4ab5c/adf9144cec9346d685b10e773d18737d [2023-11-21 18:55:30,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:30,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:30,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:30,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:30,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:30,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:30,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33b315a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30, skipping insertion in model container [2023-11-21 18:55:30,385 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:30,447 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:30,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:30,836 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:30,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:30,955 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:30,956 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:30,963 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:30,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30 WrapperNode [2023-11-21 18:55:30,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:30,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:30,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:30,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:30,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,043 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:55:31,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:31,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:31,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:31,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:31,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:31,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:31,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:31,113 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:31,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:30" (1/1) ... [2023-11-21 18:55:31,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:31,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:31,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:31,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:55:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:55:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:55:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:55:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:55:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:55:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:55:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:31,205 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 18:55:31,401 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:31,403 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:31,622 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:31,685 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:31,699 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:55:31,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:31 BoogieIcfgContainer [2023-11-21 18:55:31,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:31,702 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:31,702 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:31,713 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:31,714 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:31" (1/1) ... [2023-11-21 18:55:31,715 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 18:55:31,719 INFO L158 Benchmark]: Toolchain (without parser) took 1375.57ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 69.2MB in the beginning and 125.9MB in the end (delta: -56.8MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-11-21 18:55:31,720 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 104.1MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:31,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.58ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 68.9MB in the beginning and 147.5MB in the end (delta: -78.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:31,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.09ms. Allocated memory is still 195.0MB. Free memory was 147.5MB in the beginning and 145.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:31,724 INFO L158 Benchmark]: Boogie Preprocessor took 66.45ms. Allocated memory is still 195.0MB. Free memory was 145.4MB in the beginning and 144.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:31,724 INFO L158 Benchmark]: RCFGBuilder took 589.15ms. Allocated memory is still 195.0MB. Free memory was 144.0MB in the beginning and 126.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:55:31,725 INFO L158 Benchmark]: CodeCheck took 15.14ms. Allocated memory is still 195.0MB. Free memory was 126.5MB in the beginning and 125.9MB in the end (delta: 584.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:31,737 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 0.32ms. Allocated memory is still 134.2MB. Free memory was 104.2MB in the beginning and 104.1MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.58ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 68.9MB in the beginning and 147.5MB in the end (delta: -78.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.09ms. Allocated memory is still 195.0MB. Free memory was 147.5MB in the beginning and 145.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.45ms. Allocated memory is still 195.0MB. Free memory was 145.4MB in the beginning and 144.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 589.15ms. Allocated memory is still 195.0MB. Free memory was 144.0MB in the beginning and 126.5MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.14ms. Allocated memory is still 195.0MB. Free memory was 126.5MB in the beginning and 125.9MB in the end (delta: 584.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:55:31,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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 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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:34,489 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:34,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:55:34,684 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:34,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:34,686 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:34,687 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:34,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:34,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:34,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:34,694 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:55:34,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:55:34,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:34,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:34,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:34,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:34,698 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:55:34,699 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:55:34,699 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:34,700 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:55:34,701 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:34,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:55:34,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:34,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:34,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:34,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:34,703 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:34,704 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:34,704 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:34,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:34,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:34,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:34,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:34,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:34,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:55:34,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:34,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:34,708 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:55:34,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:34,709 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_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2023-11-21 18:55:35,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:35,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:35,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:35,178 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:35,179 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:35,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2023-11-21 18:55:38,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:38,785 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:38,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/sv-benchmarks/c/pthread/fib_unsafe-12.i [2023-11-21 18:55:38,815 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data/554aaacae/4ff657914ca74d39974d4c99b10736e8/FLAGdf9e0119a [2023-11-21 18:55:38,835 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/data/554aaacae/4ff657914ca74d39974d4c99b10736e8 [2023-11-21 18:55:38,841 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:38,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:38,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:38,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:38,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:38,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:38" (1/1) ... [2023-11-21 18:55:38,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a8af8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:38, skipping insertion in model container [2023-11-21 18:55:38,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:38" (1/1) ... [2023-11-21 18:55:38,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:39,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:39,432 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:39,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:39,561 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:39,562 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:39,569 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:39,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39 WrapperNode [2023-11-21 18:55:39,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:39,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:39,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:39,572 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:39,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,652 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:55:39,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:39,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:39,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:39,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:39,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,688 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,729 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:39,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:39,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:39,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:39,736 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:39" (1/1) ... [2023-11-21 18:55:39,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:39,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:39,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:39,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:55:39,823 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:55:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:55:39,824 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:55:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:55:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:39,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:55:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:55:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:55:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:39,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:39,827 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 18:55:39,977 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:39,979 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:40,358 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:40,403 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:40,406 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:55:40,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:40 BoogieIcfgContainer [2023-11-21 18:55:40,409 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:40,409 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:40,410 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:40,421 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:40,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:40" (1/1) ... [2023-11-21 18:55:40,422 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 18:55:40,428 INFO L158 Benchmark]: Toolchain (without parser) took 1584.29ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 39.7MB in the beginning and 52.0MB in the end (delta: -12.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,429 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 65.0MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:40,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.35ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 50.6MB in the end (delta: -11.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.79ms. Allocated memory is still 81.8MB. Free memory was 50.3MB in the beginning and 48.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,433 INFO L158 Benchmark]: Boogie Preprocessor took 77.01ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,434 INFO L158 Benchmark]: RCFGBuilder took 673.90ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 53.2MB in the end (delta: -7.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,435 INFO L158 Benchmark]: CodeCheck took 16.96ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 52.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,445 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 0.30ms. Allocated memory is still 65.0MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.35ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 50.6MB in the end (delta: -11.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.79ms. Allocated memory is still 81.8MB. Free memory was 50.3MB in the beginning and 48.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.01ms. Allocated memory is still 81.8MB. Free memory was 48.1MB in the beginning and 46.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.90ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 53.2MB in the end (delta: -7.1MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. * CodeCheck took 16.96ms. Allocated memory is still 81.8MB. Free memory was 53.2MB in the beginning and 52.0MB 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 18:55:40,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_440ac0d6-4de6-4b6c-8e75-24bb978a44b4/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