./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/fibonacci.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:45:54,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:45:54,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:45:54,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:45:54,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:45:54,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:45:54,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:45:54,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:45:54,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:45:54,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:45:54,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:45:54,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:45:54,698 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:45:54,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:45:54,699 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:45:54,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:45:54,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:45:54,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:45:54,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:45:54,702 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:45:54,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:45:54,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:45:54,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:45:54,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:45:54,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:45:54,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:45:54,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:54,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:45:54,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:45:54,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:45:54,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:45:54,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:45:54,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:45:54,708 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_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2023-12-03 03:45:54,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:45:54,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:45:54,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:45:54,946 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:45:54,946 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:45:54,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-12-03 03:45:57,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:45:57,829 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:45:57,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-12-03 03:45:57,836 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data/1e51fb96d/343fd2e8400b4c5980c82b990069fecd/FLAG54e521716 [2023-12-03 03:45:57,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data/1e51fb96d/343fd2e8400b4c5980c82b990069fecd [2023-12-03 03:45:57,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:45:57,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:45:57,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:57,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:45:57,856 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:45:57,857 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:57" (1/1) ... [2023-12-03 03:45:57,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e52d130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:57, skipping insertion in model container [2023-12-03 03:45:57,858 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:45:57" (1/1) ... [2023-12-03 03:45:57,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:45:58,047 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-12-03 03:45:58,055 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:58,065 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:45:58,085 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-12-03 03:45:58,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:45:58,102 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:45:58,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58 WrapperNode [2023-12-03 03:45:58,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:45:58,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:58,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:45:58,104 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:45:58,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,140 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2023-12-03 03:45:58,140 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:45:58,141 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:45:58,141 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:45:58,141 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:45:58,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,173 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:45:58,174 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:45:58,174 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:45:58,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:45:58,175 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:45:58,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:45:58,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:45:58,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:45:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-03 03:45:58,234 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-03 03:45:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:45:58,234 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 03:45:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 03:45:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 03:45:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 03:45:58,235 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:45:58,235 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:45:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:45:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:45:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-03 03:45:58,236 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-03 03:45:58,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:45:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:45:58,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:45:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:45:58,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:45:58,239 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:45:58,335 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:45:58,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:45:58,562 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:45:58,576 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:45:58,576 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:45:58,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:58 BoogieIcfgContainer [2023-12-03 03:45:58,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:45:58,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:45:58,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:45:58,586 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:45:58,587 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:45:58" (1/1) ... [2023-12-03 03:45:58,587 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) [2023-12-03 03:45:58,590 INFO L158 Benchmark]: Toolchain (without parser) took 738.57ms. Allocated memory is still 153.1MB. Free memory was 111.9MB in the beginning and 122.5MB in the end (delta: -10.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:58,591 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:45:58,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.59ms. Allocated memory is still 153.1MB. Free memory was 111.4MB in the beginning and 100.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:45:58,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.52ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:58,592 INFO L158 Benchmark]: Boogie Preprocessor took 32.12ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:58,593 INFO L158 Benchmark]: RCFGBuilder took 404.04ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 123.8MB in the end (delta: -27.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-12-03 03:45:58,594 INFO L158 Benchmark]: CodeCheck took 10.53ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 122.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:45:58,597 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 0.21ms. Allocated memory is still 104.9MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.59ms. Allocated memory is still 153.1MB. Free memory was 111.4MB in the beginning and 100.0MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.52ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 98.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.12ms. Allocated memory is still 153.1MB. Free memory was 98.4MB in the beginning and 96.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.04ms. Allocated memory is still 153.1MB. Free memory was 96.7MB in the beginning and 123.8MB in the end (delta: -27.1MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * CodeCheck took 10.53ms. Allocated memory is still 153.1MB. Free memory was 123.8MB in the beginning and 122.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 03:45:58,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/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_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/fibonacci.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:46:00,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:46:00,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:46:00,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:46:00,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:46:00,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:46:00,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:46:00,720 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:46:00,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:46:00,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:46:00,722 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:46:00,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:46:00,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:46:00,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:46:00,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:46:00,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:46:00,725 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:46:00,725 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:46:00,726 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:46:00,726 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:46:00,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:46:00,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:46:00,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:46:00,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:46:00,733 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:46:00,733 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:00,733 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:46:00,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:46:00,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:46:00,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:46:00,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:46:00,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:46:00,736 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:46:00,736 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:46:00,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:46:00,737 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:46:00,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:46:00,737 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_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115f061be4541a19227bc1624a8b38d08b679b43ee58fd41d4a05fa6a8fd007e [2023-12-03 03:46:01,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:46:01,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:46:01,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:46:01,049 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:46:01,050 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:46:01,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-12-03 03:46:03,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:46:03,989 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:46:03,990 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/sv-benchmarks/c/weaver/fibonacci.wvr.c [2023-12-03 03:46:03,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data/3b457ac7f/ea71ee1b0f3b421bb4b51b875eb25d95/FLAG5cc9da657 [2023-12-03 03:46:04,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/data/3b457ac7f/ea71ee1b0f3b421bb4b51b875eb25d95 [2023-12-03 03:46:04,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:46:04,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:46:04,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:46:04,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:46:04,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:46:04,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7af308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04, skipping insertion in model container [2023-12-03 03:46:04,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:46:04,237 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-12-03 03:46:04,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:46:04,262 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:46:04,285 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/sv-benchmarks/c/weaver/fibonacci.wvr.c[2356,2369] [2023-12-03 03:46:04,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:46:04,306 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:46:04,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04 WrapperNode [2023-12-03 03:46:04,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:46:04,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:46:04,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:46:04,309 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:46:04,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,347 INFO L138 Inliner]: procedures = 25, calls = 28, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-12-03 03:46:04,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:46:04,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:46:04,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:46:04,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:46:04,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,382 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:46:04,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:46:04,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:46:04,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:46:04,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:46:04,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:46:04,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:46:04,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:46:04,451 INFO L130 BoogieDeclarations]: Found specification of procedure minus [2023-12-03 03:46:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure minus [2023-12-03 03:46:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:46:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-03 03:46:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-03 03:46:04,452 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-03 03:46:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-03 03:46:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:46:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 03:46:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 03:46:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:46:04,453 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-12-03 03:46:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-12-03 03:46:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:46:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:46:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:46:04,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:46:04,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:46:04,456 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 03:46:04,570 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:46:04,572 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:46:04,807 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:46:04,845 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:46:04,846 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 03:46:04,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:46:04 BoogieIcfgContainer [2023-12-03 03:46:04,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:46:04,849 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:46:04,849 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:46:04,859 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:46:04,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:46:04" (1/1) ... [2023-12-03 03:46:04,860 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) [2023-12-03 03:46:04,864 INFO L158 Benchmark]: Toolchain (without parser) took 843.39ms. Allocated memory is still 104.9MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2023-12-03 03:46:04,864 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:46:04,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.83ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 68.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 03:46:04,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.86ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:46:04,866 INFO L158 Benchmark]: Boogie Preprocessor took 34.24ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:46:04,867 INFO L158 Benchmark]: RCFGBuilder took 464.40ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 80.6MB in the end (delta: -15.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-12-03 03:46:04,868 INFO L158 Benchmark]: CodeCheck took 13.60ms. Allocated memory is still 104.9MB. Free memory was 80.6MB in the beginning and 79.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:46:04,871 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 0.20ms. Allocated memory is still 75.5MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.83ms. Allocated memory is still 104.9MB. Free memory was 80.9MB in the beginning and 68.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.86ms. Allocated memory is still 104.9MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.24ms. Allocated memory is still 104.9MB. Free memory was 67.2MB in the beginning and 65.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 464.40ms. Allocated memory is still 104.9MB. Free memory was 65.6MB in the beginning and 80.6MB in the end (delta: -15.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * CodeCheck took 13.60ms. Allocated memory is still 104.9MB. Free memory was 80.6MB in the beginning and 79.6MB 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. [2023-12-03 03:46:04,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_986ed585-4cf9-410f-b151-6a9e2c586177/bin/ukojak-verify-Qdu7aM0XO9/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