./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-6.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_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/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_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/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_912b7eaf-a875-4f56-a90a-ffec87ec5376/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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:18,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:19,134 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:56:19,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:56:19,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:56:19,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:19,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:19,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:19,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:19,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:19,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:19,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:19,179 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:56:19,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:56:19,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:56:19,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:19,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:19,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:19,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:19,184 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:19,184 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:19,185 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:56:19,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:19,186 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:19,187 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:19,187 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:19,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:19,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:19,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:19,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:19,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:19,191 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:56:19,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:56:19,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:19,193 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_912b7eaf-a875-4f56-a90a-ffec87ec5376/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-11 23:56:19,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:19,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:19,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:19,645 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:19,647 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:19,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-11 23:56:23,500 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:23,904 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:23,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-11 23:56:23,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data/27b35686a/1405889352064b32bd32189fe1d3fdc4/FLAG432d884a9 [2023-11-11 23:56:23,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data/27b35686a/1405889352064b32bd32189fe1d3fdc4 [2023-11-11 23:56:23,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:23,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:23,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:23,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:23,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:23,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:23" (1/1) ... [2023-11-11 23:56:23,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6fade8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:23, skipping insertion in model container [2023-11-11 23:56:23,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:23" (1/1) ... [2023-11-11 23:56:24,055 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:24,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:24,663 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:24,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:24,834 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:24,834 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:24,844 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:24,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24 WrapperNode [2023-11-11 23:56:24,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:24,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:24,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:24,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:24,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:24,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:24,948 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:56:24,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:24,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:24,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:24,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:24,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:24,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:24,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:24,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:24,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:25,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:25,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:25,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:25,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:25,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:25,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:25,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:25,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:24" (1/1) ... [2023-11-11 23:56:25,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:25,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:25,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:25,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:25,135 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:56:25,136 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:56:25,136 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:56:25,141 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:56:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:56:25,142 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:56:25,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:25,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:56:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:56:25,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:25,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:25,152 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:56:25,321 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:25,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:25,616 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:25,663 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:25,663 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:56:25,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:25 BoogieIcfgContainer [2023-11-11 23:56:25,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:25,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:25,668 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:25,684 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:25,686 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:25" (1/1) ... [2023-11-11 23:56:25,687 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) [2023-11-11 23:56:25,692 INFO L158 Benchmark]: Toolchain (without parser) took 1734.43ms. Allocated memory is still 153.1MB. Free memory was 115.7MB in the beginning and 93.9MB in the end (delta: 21.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:25,692 INFO L158 Benchmark]: CDTParser took 0.96ms. Allocated memory is still 123.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:25,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.11ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 114.5MB in the end (delta: 930.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:56:25,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.26ms. Allocated memory is still 153.1MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:25,696 INFO L158 Benchmark]: Boogie Preprocessor took 69.55ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:25,697 INFO L158 Benchmark]: RCFGBuilder took 646.28ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 94.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-11 23:56:25,698 INFO L158 Benchmark]: CodeCheck took 22.11ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 93.9MB in the end (delta: 963.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:25,702 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 0.96ms. Allocated memory is still 123.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.11ms. Allocated memory is still 153.1MB. Free memory was 115.5MB in the beginning and 114.5MB in the end (delta: 930.7kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.26ms. Allocated memory is still 153.1MB. Free memory was 114.3MB in the beginning and 112.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.55ms. Allocated memory is still 153.1MB. Free memory was 112.3MB in the beginning and 110.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.28ms. Allocated memory is still 153.1MB. Free memory was 110.7MB in the beginning and 94.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 22.11ms. Allocated memory is still 153.1MB. Free memory was 94.8MB in the beginning and 93.9MB in the end (delta: 963.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:56:25,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/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_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/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_912b7eaf-a875-4f56-a90a-ffec87ec5376/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 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:56:29,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:56:29,245 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:56:29,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:56:29,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:56:29,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:56:29,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:56:29,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:56:29,312 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:56:29,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:56:29,319 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:56:29,320 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:56:29,320 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:56:29,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:56:29,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:56:29,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:56:29,324 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:56:29,324 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:56:29,325 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:56:29,325 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:56:29,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:56:29,327 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:56:29,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:56:29,328 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:56:29,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:56:29,329 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:56:29,329 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:56:29,330 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:29,330 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:29,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:56:29,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:29,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:56:29,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:56:29,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:56:29,334 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:56:29,334 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:56:29,334 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:56:29,334 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:56:29,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:56:29,336 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_912b7eaf-a875-4f56-a90a-ffec87ec5376/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 854e371c98b43d805c328b457758892c4a501d7b326c2672c089850792494a4b [2023-11-11 23:56:29,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:56:29,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:56:29,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:56:29,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:56:29,896 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:56:29,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-11 23:56:33,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:34,254 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:34,254 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/sv-benchmarks/c/pthread/fib_unsafe-6.i [2023-11-11 23:56:34,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data/7c0eb599a/37908cf926aa41ec96f4aa1797593af3/FLAG7187bd7bd [2023-11-11 23:56:34,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/data/7c0eb599a/37908cf926aa41ec96f4aa1797593af3 [2023-11-11 23:56:34,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:34,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:34,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:34,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:34,322 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:34,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:34,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db71f9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34, skipping insertion in model container [2023-11-11 23:56:34,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:34,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:34,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:34,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:34,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:34,986 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:34,986 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:34,995 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:34,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34 WrapperNode [2023-11-11 23:56:34,996 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:34,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:34,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:34,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:35,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,079 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:56:35,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:35,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:35,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:35,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:35,091 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:35,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:35,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:35,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:35,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:34" (1/1) ... [2023-11-11 23:56:35,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:35,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:35,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:35,256 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:56:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:56:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:56:35,257 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:56:35,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:56:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:56:35,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:56:35,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:35,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:35,261 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:56:35,518 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:35,520 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:35,840 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:35,925 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:35,926 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:56:35,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:35 BoogieIcfgContainer [2023-11-11 23:56:35,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:35,932 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:35,933 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:35,945 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:35,946 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:35" (1/1) ... [2023-11-11 23:56:35,947 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) [2023-11-11 23:56:35,956 INFO L158 Benchmark]: Toolchain (without parser) took 1641.26ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.9MB in the beginning and 67.9MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:35,957 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 75.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:35,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.53ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 63.3MB in the end (delta: -13.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-11 23:56:35,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.24ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:35,962 INFO L158 Benchmark]: Boogie Preprocessor took 82.89ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:35,963 INFO L158 Benchmark]: RCFGBuilder took 766.99ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 68.8MB in the end (delta: -9.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-11-11 23:56:35,964 INFO L158 Benchmark]: CodeCheck took 21.33ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.9MB in the end (delta: 917.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:35,976 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 0.38ms. Allocated memory is still 75.5MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.53ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 63.3MB in the end (delta: -13.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.24ms. Allocated memory is still 92.3MB. Free memory was 63.3MB in the beginning and 61.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.89ms. Allocated memory is still 92.3MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 766.99ms. Allocated memory is still 92.3MB. Free memory was 58.9MB in the beginning and 68.8MB in the end (delta: -9.9MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 21.33ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.9MB in the end (delta: 917.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:56:36,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_912b7eaf-a875-4f56-a90a-ffec87ec5376/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