./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:01:07,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:01:07,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:01:07,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:01:07,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:01:07,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:01:07,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:01:07,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:01:07,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:01:07,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:01:07,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:01:07,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:01:07,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:01:07,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:01:07,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:01:07,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:01:07,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:01:07,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:01:07,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:01:07,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:01:07,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:01:07,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:01:07,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:01:07,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:01:07,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:01:07,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:01:07,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:01:07,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:01:07,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:01:07,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:01:07,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:01:07,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:01:07,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:01:07,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:01:07,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:01:07,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:01:07,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:01:07,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:01:07,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:01:07,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:01:07,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:01:07,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:01:07,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:01:07,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:01:07,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:01:07,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:01:07,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:01:07,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:01:07,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:01:07,452 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:01:07,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:01:07,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:01:07,453 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:01:07,453 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:01:07,453 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:01:07,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:01:07,454 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:01:07,454 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:01:07,454 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:01:07,454 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:01:07,455 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:01:07,455 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:01:07,455 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:01:07,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:07,455 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:01:07,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:01:07,456 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:01:07,456 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:01:07,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:01:07,456 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:01:07,456 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_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-25 07:01:07,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:01:07,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:01:07,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:01:07,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:01:07,812 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:01:07,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-25 07:01:07,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/c920e4e23/c5e1195228994dc99355b49013a9e584/FLAG6354afdb4 [2021-11-25 07:01:08,532 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:01:08,533 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/sv-benchmarks/c/pthread/stack-1.i [2021-11-25 07:01:08,566 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/c920e4e23/c5e1195228994dc99355b49013a9e584/FLAG6354afdb4 [2021-11-25 07:01:08,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/c920e4e23/c5e1195228994dc99355b49013a9e584 [2021-11-25 07:01:08,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:01:08,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:01:08,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:08,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:01:08,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:01:08,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:08" (1/1) ... [2021-11-25 07:01:08,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7556e651 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:08, skipping insertion in model container [2021-11-25 07:01:08,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:08" (1/1) ... [2021-11-25 07:01:08,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:01:08,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:01:09,350 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_79375f3f-1a7e-462e-b512-cd2f293e9803/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-25 07:01:09,377 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:09,394 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:01:09,448 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_79375f3f-1a7e-462e-b512-cd2f293e9803/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-25 07:01:09,463 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:09,533 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:01:09,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09 WrapperNode [2021-11-25 07:01:09,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:09,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:09,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:01:09,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:01:09,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,593 INFO L137 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 142 [2021-11-25 07:01:09,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:09,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:01:09,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:01:09,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:01:09,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:01:09,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:01:09,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:01:09,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:01:09,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:09" (1/1) ... [2021-11-25 07:01:09,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:09,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:01:09,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:01:09,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:01:09,739 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-25 07:01:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-25 07:01:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-25 07:01:09,740 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-25 07:01:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:01:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:01:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:01:09,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:01:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-25 07:01:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-25 07:01:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 07:01:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:01:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-25 07:01:09,741 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-25 07:01:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:01:09,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:01:09,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:01:09,743 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 07:01:09,873 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:01:09,874 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:01:10,208 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:01:10,218 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:01:10,218 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:01:10,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:10 BoogieIcfgContainer [2021-11-25 07:01:10,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:01:10,221 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:01:10,222 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:01:10,239 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:01:10,239 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:10" (1/1) ... [2021-11-25 07:01:10,240 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) [2021-11-25 07:01:10,244 INFO L158 Benchmark]: Toolchain (without parser) took 1438.34ms. Allocated memory is still 113.2MB. Free memory was 75.8MB in the beginning and 50.3MB in the end (delta: 25.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:10,244 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:10,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 723.71ms. Allocated memory is still 113.2MB. Free memory was 75.7MB in the beginning and 71.0MB in the end (delta: 4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 07:01:10,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.37ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 68.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:10,247 INFO L158 Benchmark]: Boogie Preprocessor took 62.90ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 66.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:10,248 INFO L158 Benchmark]: RCFGBuilder took 559.33ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 51.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 07:01:10,249 INFO L158 Benchmark]: CodeCheck took 20.64ms. Allocated memory is still 113.2MB. Free memory was 51.5MB in the beginning and 50.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:10,253 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 113.2MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 723.71ms. Allocated memory is still 113.2MB. Free memory was 75.7MB in the beginning and 71.0MB in the end (delta: 4.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.37ms. Allocated memory is still 113.2MB. Free memory was 71.0MB in the beginning and 68.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.90ms. Allocated memory is still 113.2MB. Free memory was 68.3MB in the beginning and 66.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.33ms. Allocated memory is still 113.2MB. Free memory was 66.8MB in the beginning and 51.5MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 20.64ms. Allocated memory is still 113.2MB. Free memory was 51.5MB in the beginning and 50.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:01:10,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/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_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:01:12,798 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:01:12,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:01:12,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:01:12,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:01:12,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:01:12,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:01:12,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:01:12,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:01:12,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:01:12,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:01:12,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:01:12,852 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:01:12,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:01:12,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:01:12,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:01:12,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:01:12,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:01:12,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:01:12,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:01:12,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:01:12,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:01:12,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:01:12,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:01:12,874 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:01:12,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:01:12,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:01:12,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:01:12,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:01:12,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:01:12,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:01:12,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:01:12,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:01:12,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:01:12,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:01:12,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:01:12,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:01:12,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:01:12,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:01:12,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:01:12,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:01:12,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-25 07:01:12,935 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:01:12,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:01:12,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:01:12,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:01:12,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:01:12,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:01:12,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:01:12,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:01:12,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:01:12,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:01:12,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:01:12,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:01:12,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:01:12,941 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 07:01:12,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 07:01:12,941 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 07:01:12,942 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:01:12,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:01:12,942 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:01:12,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:01:12,942 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:01:12,943 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:01:12,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:01:12,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:12,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:01:12,944 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:01:12,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:01:12,944 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 07:01:12,944 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 07:01:12,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:01:12,945 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-25 07:01:12,945 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 07:01:12,945 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_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-25 07:01:13,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:01:13,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:01:13,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:01:13,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:01:13,370 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:01:13,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-25 07:01:13,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/de7b87449/d984001007244f9e9cde6cf1f79c9e6e/FLAGe790aaf2c [2021-11-25 07:01:14,078 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:01:14,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/sv-benchmarks/c/pthread/stack-1.i [2021-11-25 07:01:14,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/de7b87449/d984001007244f9e9cde6cf1f79c9e6e/FLAGe790aaf2c [2021-11-25 07:01:14,298 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/data/de7b87449/d984001007244f9e9cde6cf1f79c9e6e [2021-11-25 07:01:14,301 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:01:14,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:01:14,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:14,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:01:14,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:01:14,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:14" (1/1) ... [2021-11-25 07:01:14,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ef2b979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:14, skipping insertion in model container [2021-11-25 07:01:14,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:01:14" (1/1) ... [2021-11-25 07:01:14,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:01:14,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:01:14,887 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_79375f3f-1a7e-462e-b512-cd2f293e9803/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-25 07:01:14,913 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:14,929 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:01:14,977 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_79375f3f-1a7e-462e-b512-cd2f293e9803/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-25 07:01:15,001 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:01:15,094 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:01:15,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15 WrapperNode [2021-11-25 07:01:15,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:01:15,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:15,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:01:15,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:01:15,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,196 INFO L137 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2021-11-25 07:01:15,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:01:15,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:01:15,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:01:15,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:01:15,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:01:15,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:01:15,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:01:15,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:01:15,249 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:01:15,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:01:15,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:01:15,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:01:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 07:01:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-25 07:01:15,329 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-25 07:01:15,329 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-25 07:01:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-25 07:01:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:01:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:01:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 07:01:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 07:01:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 07:01:15,330 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-25 07:01:15,330 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-25 07:01:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 07:01:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:01:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-25 07:01:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-25 07:01:15,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:01:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:01:15,333 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 07:01:15,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:01:15,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:01:15,844 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:01:15,853 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:01:15,853 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 07:01:15,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:15 BoogieIcfgContainer [2021-11-25 07:01:15,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:01:15,860 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:01:15,860 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:01:15,870 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:01:15,870 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:01:15" (1/1) ... [2021-11-25 07:01:15,871 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) [2021-11-25 07:01:15,878 INFO L158 Benchmark]: Toolchain (without parser) took 1573.72ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.6MB in the beginning and 42.5MB in the end (delta: -11.8MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2021-11-25 07:01:15,879 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:15,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.49ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 46.4MB in the end (delta: -16.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-25 07:01:15,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.10ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 43.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:15,882 INFO L158 Benchmark]: Boogie Preprocessor took 47.58ms. Allocated memory is still 69.2MB. Free memory was 43.7MB in the beginning and 41.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:01:15,883 INFO L158 Benchmark]: RCFGBuilder took 607.54ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 43.3MB in the end (delta: -1.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-25 07:01:15,884 INFO L158 Benchmark]: CodeCheck took 15.19ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 42.5MB in the end (delta: 845.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:01:15,893 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 0.31ms. Allocated memory is still 54.5MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.49ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 30.4MB in the beginning and 46.4MB in the end (delta: -16.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.10ms. Allocated memory is still 69.2MB. Free memory was 46.4MB in the beginning and 43.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.58ms. Allocated memory is still 69.2MB. Free memory was 43.7MB in the beginning and 41.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.54ms. Allocated memory is still 69.2MB. Free memory was 41.5MB in the beginning and 43.3MB in the end (delta: -1.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 15.19ms. Allocated memory is still 69.2MB. Free memory was 43.3MB in the beginning and 42.5MB in the end (delta: 845.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:01:15,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79375f3f-1a7e-462e-b512-cd2f293e9803/bin/ukojak-d1pc8ZmBRL/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