./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 527bcce2 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_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:40,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:40,538 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:40,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:40,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:40,567 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:40,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:40,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:40,570 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:40,570 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:40,571 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:40,572 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:40,572 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:40,573 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:40,573 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:40,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:40,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:40,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:40,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:40,576 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:40,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:40,578 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:40,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:40,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:40,580 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:40,580 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:40,581 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:40,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:40,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:40,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:40,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:40,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:40,584 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:40,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:40,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:40,585 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_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-21 18:52:40,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:40,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:40,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:40,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:40,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:40,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-21 18:52:44,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:44,446 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:44,450 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-21 18:52:44,475 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data/f9d601710/936ea62ff56845eb8e1e843f0a290c78/FLAG5b6b47267 [2023-11-21 18:52:44,492 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data/f9d601710/936ea62ff56845eb8e1e843f0a290c78 [2023-11-21 18:52:44,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:44,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:44,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:44,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:44,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:44,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:44" (1/1) ... [2023-11-21 18:52:44,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b9df80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:44, skipping insertion in model container [2023-11-21 18:52:44,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:44" (1/1) ... [2023-11-21 18:52:44,584 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:44,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:45,005 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:45,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:45,086 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:45,086 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:45,093 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:45,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45 WrapperNode [2023-11-21 18:52:45,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:45,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:45,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:45,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:45,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,117 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,139 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:52:45,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:45,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:45,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:45,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:45,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:45,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:45,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:45,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:45,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:45,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:45,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:45,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:52:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:52:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:52:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:52:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:52:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:52:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:52:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:45,267 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:52:45,462 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:45,464 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:45,707 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:45,755 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:45,755 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:52:45,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:45 BoogieIcfgContainer [2023-11-21 18:52:45,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:45,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:45,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:45,772 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:45,772 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:45" (1/1) ... [2023-11-21 18:52:45,773 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:52:45,777 INFO L158 Benchmark]: Toolchain (without parser) took 1275.48ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 74.0MB in the end (delta: 41.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 18:52:45,778 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory was 63.1MB in the beginning and 62.9MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:45,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.06ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 95.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:52:45,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.71ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 94.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:45,780 INFO L158 Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 161.5MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:45,781 INFO L158 Benchmark]: RCFGBuilder took 583.16ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 75.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:52:45,781 INFO L158 Benchmark]: CodeCheck took 17.46ms. Allocated memory is still 161.5MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:45,785 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 113.2MB. Free memory was 63.1MB in the beginning and 62.9MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.06ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 95.6MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.71ms. Allocated memory is still 161.5MB. Free memory was 95.6MB in the beginning and 94.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.79ms. Allocated memory is still 161.5MB. Free memory was 94.0MB in the beginning and 92.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 583.16ms. Allocated memory is still 161.5MB. Free memory was 92.0MB in the beginning and 75.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17.46ms. Allocated memory is still 161.5MB. Free memory was 75.2MB in the beginning and 74.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:52:45,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:48,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:48,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:52:48,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:48,601 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:48,601 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:48,602 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:48,603 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:48,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:48,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:48,606 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:48,606 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:48,607 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:48,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:48,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:48,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:48,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:52:48,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:52:48,611 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:48,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:52:48,612 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:48,612 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:48,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:48,613 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:48,614 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:48,615 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:48,615 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:48,616 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:52:48,616 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:52:48,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:48,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:48,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:48,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:48,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:48,620 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:52:48,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:52:48,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:48,621 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:52:48,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:52:48,622 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_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca933e9c322081d61da01652cda9ceed61707699c680fd4ef3d92d3ccd39b362 [2023-11-21 18:52:49,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:49,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:49,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:49,082 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:49,083 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:49,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-21 18:52:52,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:52,783 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:52,784 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/sv-benchmarks/c/pthread/fib_safe-6.i [2023-11-21 18:52:52,816 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data/32a57cada/83da12b6d3bc482bad7ab89e6401e77e/FLAG36937cd17 [2023-11-21 18:52:53,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/data/32a57cada/83da12b6d3bc482bad7ab89e6401e77e [2023-11-21 18:52:53,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:53,008 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:53,010 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:53,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:53,015 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:53,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,017 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37baa0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53, skipping insertion in model container [2023-11-21 18:52:53,017 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:53,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:53,468 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:53,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:53,553 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:53,553 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:52:53,562 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:53,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53 WrapperNode [2023-11-21 18:52:53,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:53,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:53,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:53,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:53,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,615 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:52:53,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:53,616 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:53,616 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:53,616 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:53,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,732 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:53,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:53,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:53,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:53,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:53,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:53,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:53,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:53,838 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:52:53,839 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:52:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:52:53,840 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:52:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:52:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:53,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:52:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:52:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:52:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:52:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:52:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:53,845 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:52:54,010 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:54,013 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:54,322 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:54,380 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:54,384 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:52:54,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:54 BoogieIcfgContainer [2023-11-21 18:52:54,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:54,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:54,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:54,396 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:54,397 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:54" (1/1) ... [2023-11-21 18:52:54,398 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:52:54,402 INFO L158 Benchmark]: Toolchain (without parser) took 1393.07ms. Allocated memory is still 98.6MB. Free memory was 73.8MB in the beginning and 56.7MB in the end (delta: 17.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-21 18:52:54,403 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:54,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 552.88ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 52.7MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:52:54,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.98ms. Allocated memory is still 98.6MB. Free memory was 52.7MB in the beginning and 50.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:52:54,405 INFO L158 Benchmark]: Boogie Preprocessor took 126.42ms. Allocated memory is still 98.6MB. Free memory was 50.7MB in the beginning and 75.9MB in the end (delta: -25.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:52:54,406 INFO L158 Benchmark]: RCFGBuilder took 643.18ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 57.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:52:54,406 INFO L158 Benchmark]: CodeCheck took 12.95ms. Allocated memory is still 98.6MB. Free memory was 57.5MB in the beginning and 56.7MB in the end (delta: 812.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:52:54,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 552.88ms. Allocated memory is still 98.6MB. Free memory was 73.5MB in the beginning and 52.7MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.98ms. Allocated memory is still 98.6MB. Free memory was 52.7MB in the beginning and 50.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.42ms. Allocated memory is still 98.6MB. Free memory was 50.7MB in the beginning and 75.9MB in the end (delta: -25.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 643.18ms. Allocated memory is still 98.6MB. Free memory was 75.9MB in the beginning and 57.5MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 12.95ms. Allocated memory is still 98.6MB. Free memory was 57.5MB in the beginning and 56.7MB in the end (delta: 812.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:52:54,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0f9f3e-386e-4804-ba05-5488b89be332/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported