./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --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 146f0d3d7f309689872842ec2e107172ef6d7d230f0dea419a95cb8899767aeb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:34,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:34,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:34,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:34,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:34,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:34,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:34,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:34,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:34,955 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:34,957 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:34,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:34,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:34,962 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:34,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:34,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:34,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:34,974 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:34,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:34,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:34,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:34,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:34,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:34,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:35,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:35,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:35,002 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:35,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:35,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:35,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:35,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:35,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:35,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:35,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:35,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:35,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:35,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:35,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:35,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:35,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:35,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:35,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:35,064 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:35,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:35,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:35,066 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:35,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:35,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:35,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:35,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:35,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:35,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:35,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:35,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:35,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:35,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:35,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:35,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:35,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:35,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:35,078 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:35,079 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:35,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:35,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:35,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:35,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:35,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:35,080 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:35,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:35,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:35,081 INFO L138 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_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 146f0d3d7f309689872842ec2e107172ef6d7d230f0dea419a95cb8899767aeb [2021-11-23 15:56:35,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:35,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:35,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:35,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:35,425 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:35,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2021-11-23 15:56:35,500 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/e2c26e7a4/a60ad576ca4743abb7efd2a027eb2a6a/FLAG0f07e5a70 [2021-11-23 15:56:36,217 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:36,221 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/sv-benchmarks/c/pthread/fib_unsafe-5.i [2021-11-23 15:56:36,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/e2c26e7a4/a60ad576ca4743abb7efd2a027eb2a6a/FLAG0f07e5a70 [2021-11-23 15:56:36,427 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/e2c26e7a4/a60ad576ca4743abb7efd2a027eb2a6a [2021-11-23 15:56:36,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:36,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:36,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:36,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:36,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:36,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:36,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35cfe6ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:36, skipping insertion in model container [2021-11-23 15:56:36,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:36" (1/1) ... [2021-11-23 15:56:36,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:36,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:37,039 WARN L230 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_60c52424-7f1a-4a23-b2a6-1f300ab4269f/sv-benchmarks/c/pthread/fib_unsafe-5.i[30819,30832] [2021-11-23 15:56:37,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:37,053 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:37,119 WARN L230 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_60c52424-7f1a-4a23-b2a6-1f300ab4269f/sv-benchmarks/c/pthread/fib_unsafe-5.i[30819,30832] [2021-11-23 15:56:37,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:37,182 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:37,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37 WrapperNode [2021-11-23 15:56:37,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:37,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:37,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:37,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:37,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,245 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 15:56:37,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:37,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:37,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:37,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:37,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:37,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:37,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:37,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:37,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:37,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:37,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:37,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:37,385 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:56:37,386 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:56:37,386 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:56:37,387 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:56:37,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:56:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:56:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:37,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:56:37,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:37,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:37,392 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:56:37,515 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:37,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:37,766 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:37,776 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:56:37,777 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 15:56:37,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:37 BoogieIcfgContainer [2021-11-23 15:56:37,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:56:37,781 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:56:37,781 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:56:37,794 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:56:37,794 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:37" (1/1) ... [2021-11-23 15:56:37,795 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2021-11-23 15:56:37,800 INFO L158 Benchmark]: Toolchain (without parser) took 1367.28ms. Allocated memory is still 104.9MB. Free memory was 62.2MB in the beginning and 51.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,801 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:37,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.81ms. Allocated memory is still 104.9MB. Free memory was 62.0MB in the beginning and 68.6MB in the end (delta: -6.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.90ms. Allocated memory is still 104.9MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,804 INFO L158 Benchmark]: Boogie Preprocessor took 33.14ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 65.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,805 INFO L158 Benchmark]: RCFGBuilder took 499.43ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 52.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:37,806 INFO L158 Benchmark]: CodeCheck took 17.11ms. Allocated memory is still 104.9MB. Free memory was 52.7MB in the beginning and 51.9MB in the end (delta: 857.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:37,811 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 104.9MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.81ms. Allocated memory is still 104.9MB. Free memory was 62.0MB in the beginning and 68.6MB in the end (delta: -6.6MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.90ms. Allocated memory is still 104.9MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.14ms. Allocated memory is still 104.9MB. Free memory was 66.6MB in the beginning and 65.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.43ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 52.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 17.11ms. Allocated memory is still 104.9MB. Free memory was 52.7MB in the beginning and 51.9MB in the end (delta: 857.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:37,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --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 146f0d3d7f309689872842ec2e107172ef6d7d230f0dea419a95cb8899767aeb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:40,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:40,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:40,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:40,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:40,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:40,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:40,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:40,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:40,823 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:40,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:40,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:40,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:40,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:40,840 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:40,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:40,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:40,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:40,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:40,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:40,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:40,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:40,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:40,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:40,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:40,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:40,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:40,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:40,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:40,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:40,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:40,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:40,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:40,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:40,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:40,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:40,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:40,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:40,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:40,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:40,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:40,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:40,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:40,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:40,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:40,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:40,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:40,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:40,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:40,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:40,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:40,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:40,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:40,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:40,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:40,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:40,969 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:40,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:40,970 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:40,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:40,970 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:40,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:40,971 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:40,971 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:40,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:40,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:40,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:40,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:40,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:40,973 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:40,973 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:40,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:40,974 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:40,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:40,975 INFO L138 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_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 146f0d3d7f309689872842ec2e107172ef6d7d230f0dea419a95cb8899767aeb [2021-11-23 15:56:41,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:41,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:41,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:41,435 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:41,436 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:41,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2021-11-23 15:56:41,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/83006c368/43bc92e986cb4ebba9f6fd3b2e4991ed/FLAGb7bd6dc35 [2021-11-23 15:56:42,183 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:42,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/sv-benchmarks/c/pthread/fib_unsafe-5.i [2021-11-23 15:56:42,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/83006c368/43bc92e986cb4ebba9f6fd3b2e4991ed/FLAGb7bd6dc35 [2021-11-23 15:56:42,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/data/83006c368/43bc92e986cb4ebba9f6fd3b2e4991ed [2021-11-23 15:56:42,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:42,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:42,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:42,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:42,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:42,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b2bef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42, skipping insertion in model container [2021-11-23 15:56:42,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:42,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:42,903 WARN L230 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_60c52424-7f1a-4a23-b2a6-1f300ab4269f/sv-benchmarks/c/pthread/fib_unsafe-5.i[30819,30832] [2021-11-23 15:56:42,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:42,933 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:43,012 WARN L230 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_60c52424-7f1a-4a23-b2a6-1f300ab4269f/sv-benchmarks/c/pthread/fib_unsafe-5.i[30819,30832] [2021-11-23 15:56:43,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:43,070 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:43,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43 WrapperNode [2021-11-23 15:56:43,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:43,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:43,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:43,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:43,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,145 INFO L137 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 15:56:43,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:43,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:43,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:43,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:43,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:43,208 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:43,208 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:43,208 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:43,209 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:43,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:43,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:56:43,291 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:56:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:56:43,292 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:56:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 15:56:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:56:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:56:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 15:56:43,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:43,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:43,296 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:56:43,426 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:43,428 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:43,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:43,759 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:56:43,759 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 15:56:43,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:43 BoogieIcfgContainer [2021-11-23 15:56:43,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:56:43,763 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:56:43,763 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:56:43,791 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:56:43,791 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,792 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2021-11-23 15:56:43,797 INFO L158 Benchmark]: Toolchain (without parser) took 1384.81ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 42.6MB in the beginning and 49.8MB in the end (delta: -7.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:43,798 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:43,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.40ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 37.2MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:43,799 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.98ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 35.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:43,806 INFO L158 Benchmark]: Boogie Preprocessor took 60.79ms. Allocated memory is still 62.9MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:43,807 INFO L158 Benchmark]: RCFGBuilder took 554.14ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 51.0MB in the end (delta: -17.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:43,808 INFO L158 Benchmark]: CodeCheck took 31.66ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 49.8MB in the end (delta: 915.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:43,813 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.4MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.40ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 37.2MB in the end (delta: 5.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.98ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 35.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.79ms. Allocated memory is still 62.9MB. Free memory was 35.0MB in the beginning and 33.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.14ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 33.3MB in the beginning and 51.0MB in the end (delta: -17.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * CodeCheck took 31.66ms. Allocated memory is still 75.5MB. Free memory was 50.7MB in the beginning and 49.8MB in the end (delta: 915.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:56:43,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c52424-7f1a-4a23-b2a6-1f300ab4269f/bin/ukojak-CwSLpZB5Qu/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