./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/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_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/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_9da01b95-c252-450b-a111-7f640c589b0c/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 e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:44,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:45,034 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:33:45,041 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:45,042 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:45,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:45,075 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:45,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:45,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:45,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:45,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:45,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:45,079 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:45,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:45,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:45,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:45,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:45,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:45,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:45,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:45,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:45,084 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:45,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:45,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:45,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:45,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:45,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:45,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:45,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:45,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:45,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:45,088 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:45,088 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:45,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:45,089 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:45,090 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_9da01b95-c252-450b-a111-7f640c589b0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 [2023-11-21 18:33:45,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:45,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:45,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:45,434 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:45,434 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:45,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-21 18:33:48,606 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:48,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:48,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-21 18:33:48,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data/edd3ff4f1/f4ea816c699749659cf7ca25dc9dfef7/FLAG7d6c0695d [2023-11-21 18:33:48,915 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data/edd3ff4f1/f4ea816c699749659cf7ca25dc9dfef7 [2023-11-21 18:33:48,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:48,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:48,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:48,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:48,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:48,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:48" (1/1) ... [2023-11-21 18:33:48,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e9b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:48, skipping insertion in model container [2023-11-21 18:33:48,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:48" (1/1) ... [2023-11-21 18:33:49,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:49,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:49,427 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:49,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:49,501 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:49,502 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:49,510 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:49,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49 WrapperNode [2023-11-21 18:33:49,510 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:49,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:49,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:49,512 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:49,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,542 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,577 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:33:49,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:49,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:49,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:49,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:49,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,641 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,644 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:49,645 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:49,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:49,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:49,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:49" (1/1) ... [2023-11-21 18:33:49,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:49,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:49,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:49,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:33:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:33:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:33:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:33:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:33:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:33:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:33:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:33:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:33:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:49,725 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 18:33:49,864 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:49,867 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:50,117 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:50,155 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:50,155 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:33:50,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:50 BoogieIcfgContainer [2023-11-21 18:33:50,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:50,158 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:50,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:50,166 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:50,167 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:50" (1/1) ... [2023-11-21 18:33:50,167 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 18:33:50,174 INFO L158 Benchmark]: Toolchain (without parser) took 1249.64ms. Allocated memory is still 151.0MB. Free memory was 111.5MB in the beginning and 69.5MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-21 18:33:50,175 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 151.0MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:50,176 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.74ms. Allocated memory is still 151.0MB. Free memory was 111.2MB in the beginning and 91.6MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:33:50,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.91ms. Allocated memory is still 151.0MB. Free memory was 91.6MB in the beginning and 89.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:50,179 INFO L158 Benchmark]: Boogie Preprocessor took 66.27ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:50,180 INFO L158 Benchmark]: RCFGBuilder took 512.12ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 70.6MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:33:50,181 INFO L158 Benchmark]: CodeCheck took 13.97ms. Allocated memory is still 151.0MB. Free memory was 70.6MB in the beginning and 69.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:50,185 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 0.31ms. Allocated memory is still 151.0MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.74ms. Allocated memory is still 151.0MB. Free memory was 111.2MB in the beginning and 91.6MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.91ms. Allocated memory is still 151.0MB. Free memory was 91.6MB in the beginning and 89.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.27ms. Allocated memory is still 151.0MB. Free memory was 89.5MB in the beginning and 87.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.12ms. Allocated memory is still 151.0MB. Free memory was 87.9MB in the beginning and 70.6MB in the end (delta: 17.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 13.97ms. Allocated memory is still 151.0MB. Free memory was 70.6MB in the beginning and 69.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:33:50,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/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_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/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_9da01b95-c252-450b-a111-7f640c589b0c/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 e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:53,035 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:53,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:33:53,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:53,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:53,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:53,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:53,164 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:53,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:53,166 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:53,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:53,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:53,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:53,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:53,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:53,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:53,171 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:33:53,171 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:33:53,172 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:53,173 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:33:53,173 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:53,174 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:53,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:53,175 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:53,176 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:53,176 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:53,177 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:53,177 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:53,178 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:53,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:53,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:53,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:53,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:53,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:53,181 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:33:53,181 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:53,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:53,182 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:33:53,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:53,183 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_9da01b95-c252-450b-a111-7f640c589b0c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 [2023-11-21 18:33:53,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:53,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:53,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:53,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:53,688 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:53,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-21 18:33:56,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:57,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:57,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-21 18:33:57,216 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data/8d1daafed/0bd5bfd4d3ba4d5782a8e251eabb5b12/FLAGb78bbb0db [2023-11-21 18:33:57,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/data/8d1daafed/0bd5bfd4d3ba4d5782a8e251eabb5b12 [2023-11-21 18:33:57,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:57,235 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:57,236 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:57,236 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:57,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:57,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:57,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3244fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57, skipping insertion in model container [2023-11-21 18:33:57,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:57,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:57,782 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:57,822 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:57,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:57,951 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:57,951 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:33:57,959 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:57,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57 WrapperNode [2023-11-21 18:33:57,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:57,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:57,962 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:57,962 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:57,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,005 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,046 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-11-21 18:33:58,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:58,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:58,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:58,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:58,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,073 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:58,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:58,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:58,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:58,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:57" (1/1) ... [2023-11-21 18:33:58,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:58,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:58,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:58,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:58,208 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:33:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:33:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:33:58,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:33:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:33:58,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:33:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:33:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:33:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:33:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:33:58,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:58,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:58,212 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 18:33:58,369 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:58,371 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:58,629 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:58,678 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:58,678 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:33:58,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:58 BoogieIcfgContainer [2023-11-21 18:33:58,680 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:58,681 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:58,681 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:58,690 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:58,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:58" (1/1) ... [2023-11-21 18:33:58,691 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 18:33:58,695 INFO L158 Benchmark]: Toolchain (without parser) took 1459.20ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.4MB in the beginning and 41.2MB in the end (delta: 5.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:58,696 INFO L158 Benchmark]: CDTParser took 0.33ms. 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 18:33:58,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 724.74ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.2MB in the beginning and 65.4MB in the end (delta: -19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:33:58,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.64ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:58,699 INFO L158 Benchmark]: Boogie Preprocessor took 66.87ms. Allocated memory is still 94.4MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:58,700 INFO L158 Benchmark]: RCFGBuilder took 564.98ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 42.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:33:58,701 INFO L158 Benchmark]: CodeCheck took 12.23ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 41.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:58,705 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 71.3MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 724.74ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 46.2MB in the beginning and 65.4MB in the end (delta: -19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.64ms. Allocated memory is still 94.4MB. Free memory was 64.9MB in the beginning and 63.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.87ms. Allocated memory is still 94.4MB. Free memory was 63.1MB in the beginning and 60.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.98ms. Allocated memory is still 94.4MB. Free memory was 60.7MB in the beginning and 42.3MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 12.23ms. Allocated memory is still 94.4MB. Free memory was 42.3MB in the beginning and 41.2MB 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. [2023-11-21 18:33:58,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9da01b95-c252-450b-a111-7f640c589b0c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported