./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC --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 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:07,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:07,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 19:56:07,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:56:07,486 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:07,516 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:07,517 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:07,518 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:07,519 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:07,520 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:07,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:07,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:07,523 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:07,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:07,525 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:07,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:07,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:07,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:07,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:07,528 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:07,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:07,530 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:07,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:07,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:07,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:07,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:07,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:07,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:07,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:07,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:07,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:07,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:07,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:07,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:07,541 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:07,541 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_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-11-23 19:56:07,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:07,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:07,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:07,894 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:07,895 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:07,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-23 19:56:11,154 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:11,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:11,630 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-23 19:56:11,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data/7d4e163d5/edb07f0b01fe4f5985041db303498876/FLAG737cbaa23 [2023-11-23 19:56:11,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data/7d4e163d5/edb07f0b01fe4f5985041db303498876 [2023-11-23 19:56:11,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:11,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:11,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:11,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:11,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:11,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:11" (1/1) ... [2023-11-23 19:56:11,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab62bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:11, skipping insertion in model container [2023-11-23 19:56:11,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:11" (1/1) ... [2023-11-23 19:56:11,787 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:12,209 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:12,220 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:12,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:12,302 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:12,303 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:12,311 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:12,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12 WrapperNode [2023-11-23 19:56:12,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:12,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:12,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:12,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:12,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,363 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 19:56:12,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:12,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:12,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:12,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:12,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,378 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,379 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,390 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:12,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:12,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:12,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:12,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:12" (1/1) ... [2023-11-23 19:56:12,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:12,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:12,449 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:12,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:12,494 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 19:56:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 19:56:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 19:56:12,495 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 19:56:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 19:56:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 19:56:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:12,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:56:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:56:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 19:56:12,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:12,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:12,498 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 19:56:12,654 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:12,663 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:12,944 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:13,003 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:13,003 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 19:56:13,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:13 BoogieIcfgContainer [2023-11-23 19:56:13,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:13,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:13,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:13,021 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:13,021 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:13" (1/1) ... [2023-11-23 19:56:13,022 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) [2023-11-23 19:56:13,028 INFO L158 Benchmark]: Toolchain (without parser) took 1339.92ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 69.1MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 19:56:13,028 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:13,030 INFO L158 Benchmark]: CACSL2BoogieTranslator took 622.41ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 91.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 19:56:13,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.83ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:13,031 INFO L158 Benchmark]: Boogie Preprocessor took 34.04ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:13,032 INFO L158 Benchmark]: RCFGBuilder took 607.06ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 69.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 19:56:13,033 INFO L158 Benchmark]: CodeCheck took 18.91ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 833.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:13,038 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 66.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 622.41ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 91.0MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.83ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 89.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.04ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 87.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 607.06ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 69.9MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 18.91ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 69.1MB in the end (delta: 833.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 19:56:13,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/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_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC --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 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:16,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:16,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 19:56:16,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:16,479 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:16,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:16,481 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:16,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:16,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:16,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:16,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 19:56:16,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 19:56:16,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:16,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:16,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:16,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:16,495 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 19:56:16,496 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 19:56:16,496 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:16,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 19:56:16,498 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:16,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 19:56:16,500 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:16,500 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:16,501 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:16,501 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:16,502 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:16,502 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:16,502 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:16,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:16,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:16,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:16,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:16,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:16,506 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 19:56:16,506 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:16,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:16,507 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 19:56:16,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:16,508 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_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-11-23 19:56:17,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:17,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:17,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:17,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:17,064 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:17,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-23 19:56:20,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:21,398 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:21,399 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-23 19:56:21,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data/5c814c6e5/2c4d7778b88b42d98ebe54b92adab6a7/FLAGc46fc8d17 [2023-11-23 19:56:21,436 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/data/5c814c6e5/2c4d7778b88b42d98ebe54b92adab6a7 [2023-11-23 19:56:21,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:21,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:21,443 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:21,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:21,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:21,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:21" (1/1) ... [2023-11-23 19:56:21,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f041643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:21, skipping insertion in model container [2023-11-23 19:56:21,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:21" (1/1) ... [2023-11-23 19:56:21,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:22,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:22,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:22,267 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:22,331 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:22,331 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:22,341 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:22,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22 WrapperNode [2023-11-23 19:56:22,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:22,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:22,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:22,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:22,356 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,411 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-23 19:56:22,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:22,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:22,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:22,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:22,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,433 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,465 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:22,466 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:22,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:22,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:22,468 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:22" (1/1) ... [2023-11-23 19:56:22,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:22,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:22,507 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:22,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 19:56:22,554 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 19:56:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 19:56:22,555 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 19:56:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 19:56:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 19:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 19:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 19:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:22,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:22,559 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 19:56:22,746 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:22,749 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:23,214 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:23,255 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:23,255 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-23 19:56:23,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:23 BoogieIcfgContainer [2023-11-23 19:56:23,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:23,259 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:23,259 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:23,271 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:23,272 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:23" (1/1) ... [2023-11-23 19:56:23,273 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) [2023-11-23 19:56:23,278 INFO L158 Benchmark]: Toolchain (without parser) took 1835.16ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.0MB in the beginning and 57.5MB in the end (delta: -12.5MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-23 19:56:23,279 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:23,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 900.13ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.8MB in the beginning and 60.0MB in the end (delta: -15.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-11-23 19:56:23,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.56ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:23,283 INFO L158 Benchmark]: Boogie Preprocessor took 52.54ms. Allocated memory is still 90.2MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:23,284 INFO L158 Benchmark]: RCFGBuilder took 791.43ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 58.6MB in the end (delta: -2.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-23 19:56:23,285 INFO L158 Benchmark]: CodeCheck took 16.91ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 57.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:23,296 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 0.37ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 900.13ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 44.8MB in the beginning and 60.0MB in the end (delta: -15.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.56ms. Allocated memory is still 90.2MB. Free memory was 60.0MB in the beginning and 57.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.54ms. Allocated memory is still 90.2MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.43ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 58.6MB in the end (delta: -2.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * CodeCheck took 16.91ms. Allocated memory is still 90.2MB. Free memory was 58.6MB in the beginning and 57.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 19:56:23,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89697e08-d5e8-4b26-8618-988148763cad/bin/ukojak-verify-1t5iHCbJaC/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