./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:01,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:02,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:06:02,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:06:02,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:06:02,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:02,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:02,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:02,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:02,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:02,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:02,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:02,114 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:02,114 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:06:02,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:02,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:02,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:02,116 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:02,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:02,117 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:06:02,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:06:02,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:02,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:02,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:02,129 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:02,129 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:02,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:02,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:02,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:02,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:02,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:02,134 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:06:02,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:06:02,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:02,134 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_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 [2023-11-12 00:06:02,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:02,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:02,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:02,504 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:02,504 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:02,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-12 00:06:05,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:06,064 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:06,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-12 00:06:06,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data/fc9247a18/a9db80b7cfaf43b7920b27eb615c17ea/FLAG63bf8f63a [2023-11-12 00:06:06,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data/fc9247a18/a9db80b7cfaf43b7920b27eb615c17ea [2023-11-12 00:06:06,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:06,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:06,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:06,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:06,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:06,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361e7c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06, skipping insertion in model container [2023-11-12 00:06:06,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,210 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:06,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:06,641 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:06,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:06,740 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:06:06,740 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:06:06,749 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:06,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06 WrapperNode [2023-11-12 00:06:06,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:06,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:06,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:06,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:06,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,832 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-12 00:06:06,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:06,833 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:06,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:06,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:06,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,865 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,883 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:06,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:06,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:06,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:06,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:06" (1/1) ... [2023-11-12 00:06:06,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:06,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:06,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:06,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:06:06,987 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:06:06,987 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:06:06,989 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:06:06,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:06:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:06:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:06:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:06:06,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:06:06,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:06,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:06,994 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:06:07,178 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:07,180 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:07,439 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:07,472 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:07,472 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:06:07,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:07 BoogieIcfgContainer [2023-11-12 00:06:07,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:07,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:07,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:07,488 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:07,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:07" (1/1) ... [2023-11-12 00:06:07,490 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:06:07,495 INFO L158 Benchmark]: Toolchain (without parser) took 1377.83ms. Allocated memory is still 192.9MB. Free memory was 143.7MB in the beginning and 102.5MB in the end (delta: 41.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-12 00:06:07,496 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 192.9MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:07,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.85ms. Allocated memory is still 192.9MB. Free memory was 143.4MB in the beginning and 123.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:06:07,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.95ms. Allocated memory is still 192.9MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:06:07,498 INFO L158 Benchmark]: Boogie Preprocessor took 55.30ms. Allocated memory is still 192.9MB. Free memory was 121.8MB in the beginning and 120.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:06:07,499 INFO L158 Benchmark]: RCFGBuilder took 586.66ms. Allocated memory is still 192.9MB. Free memory was 120.3MB in the beginning and 103.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:06:07,500 INFO L158 Benchmark]: CodeCheck took 16.71ms. Allocated memory is still 192.9MB. Free memory was 103.5MB in the beginning and 102.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:07,504 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 0.67ms. Allocated memory is still 192.9MB. Free memory is still 168.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.85ms. Allocated memory is still 192.9MB. Free memory was 143.4MB in the beginning and 123.9MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.95ms. Allocated memory is still 192.9MB. Free memory was 123.9MB in the beginning and 121.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.30ms. Allocated memory is still 192.9MB. Free memory was 121.8MB in the beginning and 120.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.66ms. Allocated memory is still 192.9MB. Free memory was 120.3MB in the beginning and 103.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 16.71ms. Allocated memory is still 192.9MB. Free memory was 103.5MB in the beginning and 102.5MB 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. [2023-11-12 00:06:07,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:06:10,401 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:06:10,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:06:10,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:06:10,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:06:10,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:06:10,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:06:10,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:06:10,612 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:06:10,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:06:10,618 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:06:10,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:06:10,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:06:10,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:06:10,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:06:10,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:06:10,622 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:06:10,622 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:06:10,623 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:06:10,624 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:06:10,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:06:10,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:06:10,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:06:10,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:06:10,627 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:06:10,627 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:06:10,628 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:06:10,628 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:06:10,628 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:06:10,629 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:06:10,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:10,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:06:10,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:06:10,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:06:10,632 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:06:10,632 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:06:10,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:06:10,633 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:06:10,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:06:10,634 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_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0c5b9355e30d5caa4f24695b56ab4fa8d9d282078ca8b4e24a8f9b8920e450 [2023-11-12 00:06:11,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:06:11,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:06:11,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:06:11,102 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:06:11,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:06:11,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-12 00:06:14,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:06:14,984 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:06:14,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/sv-benchmarks/c/pthread/fib_safe-10.i [2023-11-12 00:06:15,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data/1590929be/15f118ac8b994d50b09882f830e453f1/FLAG12cca865f [2023-11-12 00:06:15,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/data/1590929be/15f118ac8b994d50b09882f830e453f1 [2023-11-12 00:06:15,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:06:15,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:06:15,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:15,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:06:15,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:06:15,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bfd9685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15, skipping insertion in model container [2023-11-12 00:06:15,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,083 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:06:15,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:15,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:06:15,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:06:15,803 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:06:15,804 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:06:15,813 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:06:15,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15 WrapperNode [2023-11-12 00:06:15,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:06:15,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:15,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:06:15,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:06:15,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,906 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-12 00:06:15,910 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:06:15,911 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:06:15,911 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:06:15,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:06:15,921 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,948 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:06:15,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:06:15,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:06:15,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:06:15,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:06:15" (1/1) ... [2023-11-12 00:06:15,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:06:16,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:06:16,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:06:16,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:06:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:06:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:06:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:06:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:06:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:06:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:06:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:06:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:06:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:06:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:06:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:06:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:06:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:06:16,073 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:06:16,295 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:06:16,298 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:06:16,559 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:06:16,586 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:06:16,586 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:06:16,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:16 BoogieIcfgContainer [2023-11-12 00:06:16,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:06:16,590 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:06:16,590 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:06:16,601 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:06:16,601 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:06:16" (1/1) ... [2023-11-12 00:06:16,602 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:06:16,606 INFO L158 Benchmark]: Toolchain (without parser) took 1579.55ms. Allocated memory is still 83.9MB. Free memory was 58.3MB in the beginning and 34.3MB in the end (delta: 23.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-11-12 00:06:16,607 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 56.6MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:16,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.11ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 57.2MB in the end (delta: 815.1kB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-12 00:06:16,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.22ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 55.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:16,609 INFO L158 Benchmark]: Boogie Preprocessor took 62.40ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:16,609 INFO L158 Benchmark]: RCFGBuilder took 614.93ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 35.2MB in the end (delta: 17.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-12 00:06:16,610 INFO L158 Benchmark]: CodeCheck took 14.43ms. Allocated memory is still 83.9MB. Free memory was 35.2MB in the beginning and 34.3MB in the end (delta: 869.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:06:16,613 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 0.23ms. Allocated memory is still 56.6MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.11ms. Allocated memory is still 83.9MB. Free memory was 58.1MB in the beginning and 57.2MB in the end (delta: 815.1kB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.22ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 55.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.40ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 53.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 614.93ms. Allocated memory is still 83.9MB. Free memory was 53.0MB in the beginning and 35.2MB in the end (delta: 17.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 14.43ms. Allocated memory is still 83.9MB. Free memory was 35.2MB in the beginning and 34.3MB in the end (delta: 869.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:06:16,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_116a4b7d-c75c-4475-8910-628fea2a3710/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported