./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV --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 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:08,600 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:08,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:58:08,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:58:08,687 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:58:08,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:08,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:08,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:08,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:08,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:08,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:08,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:08,746 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:08,749 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:58:08,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:08,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:08,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:08,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:08,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:08,752 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:08,752 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:08,753 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:08,753 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:08,754 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:08,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:08,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:08,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:08,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:08,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:08,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:08,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:08,760 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:58:08,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:58:08,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:08,761 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_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 [2023-11-11 23:58:09,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:09,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:09,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:09,152 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:09,166 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:09,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2023-11-11 23:58:12,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:12,583 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:12,584 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/sv-benchmarks/c/pthread/fib_unsafe-10.i [2023-11-11 23:58:12,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data/a933b9e12/c941854276154b33a6ffa7de10df4d98/FLAG0af976c09 [2023-11-11 23:58:12,614 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data/a933b9e12/c941854276154b33a6ffa7de10df4d98 [2023-11-11 23:58:12,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:12,618 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:12,620 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:12,620 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:12,625 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:12,626 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:12" (1/1) ... [2023-11-11 23:58:12,627 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cde8f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:12, skipping insertion in model container [2023-11-11 23:58:12,627 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:12" (1/1) ... [2023-11-11 23:58:12,688 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:13,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:13,128 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:13,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:13,258 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:13,259 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:13,267 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:13,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13 WrapperNode [2023-11-11 23:58:13,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:13,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:13,270 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:13,270 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:13,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,352 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:58:13,352 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:13,353 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:13,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:13,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:13,363 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,395 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,402 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:13,419 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:13,419 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:13,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:13,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:13,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:13,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:13,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:58:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:58:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:58:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:58:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:58:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:58:13,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:58:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:13,513 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:58:13,666 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:13,668 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:13,882 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:13,909 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:13,909 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:58:13,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:13 BoogieIcfgContainer [2023-11-11 23:58:13,912 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:13,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:13,913 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:13,924 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:13,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:13" (1/1) ... [2023-11-11 23:58:13,925 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) [2023-11-11 23:58:13,930 INFO L158 Benchmark]: Toolchain (without parser) took 1310.43ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 67.5MB in the beginning and 102.7MB in the end (delta: -35.2MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-11 23:58:13,930 INFO L158 Benchmark]: CDTParser took 0.72ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:13,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.29ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 124.7MB in the end (delta: -57.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-11 23:58:13,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.62ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:13,933 INFO L158 Benchmark]: Boogie Preprocessor took 65.07ms. Allocated memory is still 159.4MB. Free memory was 122.6MB in the beginning and 120.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:13,933 INFO L158 Benchmark]: RCFGBuilder took 493.50ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 103.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:13,934 INFO L158 Benchmark]: CodeCheck took 14.42ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 102.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:13,937 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 0.72ms. Allocated memory is still 113.2MB. Free memory was 82.0MB in the beginning and 82.0MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.29ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 67.2MB in the beginning and 124.7MB in the end (delta: -57.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.62ms. Allocated memory is still 159.4MB. Free memory was 124.7MB in the beginning and 122.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.07ms. Allocated memory is still 159.4MB. Free memory was 122.6MB in the beginning and 120.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.50ms. Allocated memory is still 159.4MB. Free memory was 120.5MB in the beginning and 103.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.42ms. Allocated memory is still 159.4MB. Free memory was 103.7MB in the beginning and 102.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:58:13,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/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_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV --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 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:16,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:16,796 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:58:16,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:16,863 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:16,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:16,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:16,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:16,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:16,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:16,874 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:58:16,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:58:16,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:16,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:16,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:16,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:16,878 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:58:16,878 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:58:16,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:16,880 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:58:16,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:16,881 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:58:16,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:16,882 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:16,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:16,883 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:16,883 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:58:16,884 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:16,884 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:16,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:16,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:16,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:16,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:16,887 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:16,888 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:58:16,888 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:58:16,888 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:16,889 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:58:16,889 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:58:16,890 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_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89d9c43e2f37f1bac8114d01260f8a993f33530b50231d4afed1f3cf3859d385 [2023-11-11 23:58:17,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:17,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:17,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:17,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:17,367 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:17,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-10.i [2023-11-11 23:58:20,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:20,955 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:20,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/sv-benchmarks/c/pthread/fib_unsafe-10.i [2023-11-11 23:58:20,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data/1c496944a/1624e617722f46afa2ee18d62ac09686/FLAG30dab0a32 [2023-11-11 23:58:21,000 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/data/1c496944a/1624e617722f46afa2ee18d62ac09686 [2023-11-11 23:58:21,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:21,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:21,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:21,011 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:21,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:21,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26972cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21, skipping insertion in model container [2023-11-11 23:58:21,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:21,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:21,590 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:21,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:21,743 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:21,743 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:21,751 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:21,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21 WrapperNode [2023-11-11 23:58:21,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:21,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:21,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:21,754 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:21,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,811 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,847 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:58:21,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:21,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:21,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:21,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:21,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,885 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,916 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,921 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:21,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:21,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:21,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:21,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:21" (1/1) ... [2023-11-11 23:58:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:21,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:21,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:21,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:58:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:58:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:58:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:22,018 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:58:22,225 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:22,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:22,532 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:22,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:22,569 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:58:22,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:22 BoogieIcfgContainer [2023-11-11 23:58:22,571 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:22,572 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:22,572 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:22,586 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:22,586 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:22" (1/1) ... [2023-11-11 23:58:22,587 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) [2023-11-11 23:58:22,592 INFO L158 Benchmark]: Toolchain (without parser) took 1585.38ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 54.3MB in the end (delta: 980.4kB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-11-11 23:58:22,592 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 54.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:22,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.87ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 52.8MB in the end (delta: 2.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2023-11-11 23:58:22,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.81ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:22,596 INFO L158 Benchmark]: Boogie Preprocessor took 76.47ms. Allocated memory is still 79.7MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:22,597 INFO L158 Benchmark]: RCFGBuilder took 645.73ms. Allocated memory is still 79.7MB. Free memory was 48.6MB in the beginning and 55.3MB in the end (delta: -6.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-11 23:58:22,597 INFO L158 Benchmark]: CodeCheck took 17.96ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 54.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:22,608 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 60.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 54.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.87ms. Allocated memory is still 79.7MB. Free memory was 55.1MB in the beginning and 52.8MB in the end (delta: 2.2MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.81ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 50.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.47ms. Allocated memory is still 79.7MB. Free memory was 50.7MB in the beginning and 48.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 645.73ms. Allocated memory is still 79.7MB. Free memory was 48.6MB in the beginning and 55.3MB in the end (delta: -6.7MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * CodeCheck took 17.96ms. Allocated memory is still 79.7MB. Free memory was 55.3MB in the beginning and 54.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:58:22,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f7c36f2-1b9c-4a10-9e4d-3379d5edad4f/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported