./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/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_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/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_760ce3da-6976-4829-850e-986ab847ac38/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 ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:13,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:13,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:01:13,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:13,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:13,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:13,156 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:13,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:13,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:13,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:13,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:13,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:13,161 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:13,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:13,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:13,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:13,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:13,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:13,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:13,166 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:13,167 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:13,173 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:13,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:13,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:13,175 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:13,193 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:13,194 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:13,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:13,195 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:13,195 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:13,196 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:13,196 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:13,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:13,197 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:13,198 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_760ce3da-6976-4829-850e-986ab847ac38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-12 00:01:13,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:13,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:13,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:13,543 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:13,543 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:13,547 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-12 00:01:16,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:16,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:16,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-12 00:01:16,974 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data/fbb1bd204/51ceba611da44c658f4173a7738a778b/FLAG0d939d4e4 [2023-11-12 00:01:16,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data/fbb1bd204/51ceba611da44c658f4173a7738a778b [2023-11-12 00:01:16,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:16,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:16,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:16,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:17,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:17,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:17,006 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@433af39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17, skipping insertion in model container [2023-11-12 00:01:17,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:16" (1/1) ... [2023-11-12 00:01:17,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:17,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:17,436 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:17,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:17,569 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:17,570 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:17,580 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:17,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17 WrapperNode [2023-11-12 00:01:17,580 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:17,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:17,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:17,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:17,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,667 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-12 00:01:17,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:17,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:17,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:17,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:17,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:17,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:17,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:17,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:17,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:17" (1/1) ... [2023-11-12 00:01:17,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:17,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:17,767 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:17,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:01:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:01:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:01:17,817 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:01:17,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:17,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:17,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:17,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:17,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:17,822 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:17,961 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:17,963 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:18,322 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:18,368 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:18,368 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:01:18,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:18 BoogieIcfgContainer [2023-11-12 00:01:18,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:18,377 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:18,377 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:18,389 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:18,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:18" (1/1) ... [2023-11-12 00:01:18,390 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) [2023-11-12 00:01:18,399 INFO L158 Benchmark]: Toolchain (without parser) took 1402.53ms. Allocated memory is still 165.7MB. Free memory was 135.9MB in the beginning and 94.8MB in the end (delta: 41.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-12 00:01:18,400 INFO L158 Benchmark]: CDTParser took 2.48ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:18,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.67ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 116.2MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:01:18,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.31ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 114.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:18,404 INFO L158 Benchmark]: Boogie Preprocessor took 57.80ms. Allocated memory is still 165.7MB. Free memory was 113.7MB in the beginning and 112.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:18,406 INFO L158 Benchmark]: RCFGBuilder took 644.19ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 96.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:01:18,407 INFO L158 Benchmark]: CodeCheck took 20.78ms. Allocated memory is still 165.7MB. Free memory was 96.0MB in the beginning and 94.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:18,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48ms. Allocated memory is still 117.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.67ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 116.2MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.31ms. Allocated memory is still 165.7MB. Free memory was 116.2MB in the beginning and 114.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.80ms. Allocated memory is still 165.7MB. Free memory was 113.7MB in the beginning and 112.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 644.19ms. Allocated memory is still 165.7MB. Free memory was 112.5MB in the beginning and 96.0MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 20.78ms. Allocated memory is still 165.7MB. Free memory was 96.0MB in the beginning and 94.8MB 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. [2023-11-12 00:01:18,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/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_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/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_760ce3da-6976-4829-850e-986ab847ac38/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 ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:21,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:21,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:01:21,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:21,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:21,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:21,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:21,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:21,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:21,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:21,367 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:21,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:21,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:21,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:21,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:21,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:21,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:01:21,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:01:21,372 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:01:21,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:01:21,373 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:01:21,374 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:21,374 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:21,375 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:21,375 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:21,375 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:21,376 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:01:21,376 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:21,377 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:21,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:21,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:21,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:21,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:21,379 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:21,380 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:01:21,380 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:21,380 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:21,380 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:01:21,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:21,382 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_760ce3da-6976-4829-850e-986ab847ac38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-12 00:01:21,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:21,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:21,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:21,819 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:21,819 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:21,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-12 00:01:24,942 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:25,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:25,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-12 00:01:25,307 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data/490749a6d/45f0406dd3c9444aa101119101662635/FLAG6985deb8e [2023-11-12 00:01:25,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/data/490749a6d/45f0406dd3c9444aa101119101662635 [2023-11-12 00:01:25,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:25,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:25,333 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:25,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:25,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:25,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:25,341 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a03bdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25, skipping insertion in model container [2023-11-12 00:01:25,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:25,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:25,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:25,891 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:25,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:25,980 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:25,981 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:25,989 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:25,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25 WrapperNode [2023-11-12 00:01:25,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:25,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:25,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:25,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:25,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,070 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-12 00:01:26,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:26,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:26,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:26,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:26,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:26,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:26,140 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:26,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:26,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:25" (1/1) ... [2023-11-12 00:01:26,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:26,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:26,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:26,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:01:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:01:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:01:26,247 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:01:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:01:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:01:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:26,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:26,250 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:26,507 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:26,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:26,832 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:26,870 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:26,871 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:01:26,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:26 BoogieIcfgContainer [2023-11-12 00:01:26,879 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:26,881 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:26,881 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:26,892 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:26,892 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:26" (1/1) ... [2023-11-12 00:01:26,893 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) [2023-11-12 00:01:26,900 INFO L158 Benchmark]: Toolchain (without parser) took 1566.79ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 43.2MB in the end (delta: -3.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-12 00:01:26,900 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:26,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.99ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.3MB in the beginning and 47.3MB in the end (delta: -8.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:26,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.25ms. Allocated memory is still 79.7MB. Free memory was 47.3MB in the beginning and 45.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:26,904 INFO L158 Benchmark]: Boogie Preprocessor took 66.99ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 43.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:01:26,905 INFO L158 Benchmark]: RCFGBuilder took 739.27ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 44.3MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:01:26,906 INFO L158 Benchmark]: CodeCheck took 16.99ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 43.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:26,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 40.5MB in the end (delta: 43.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.99ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.3MB in the beginning and 47.3MB in the end (delta: -8.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.25ms. Allocated memory is still 79.7MB. Free memory was 47.3MB in the beginning and 45.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.99ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 43.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 739.27ms. Allocated memory is still 79.7MB. Free memory was 42.9MB in the beginning and 44.3MB in the end (delta: -1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 16.99ms. Allocated memory is still 79.7MB. Free memory was 44.3MB in the beginning and 43.2MB 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. [2023-11-12 00:01:26,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760ce3da-6976-4829-850e-986ab847ac38/bin/ukojak-verify-0OAaufAVZV/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