./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 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/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_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/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_da0d5698-30a7-473c-bea7-864cf3f345fd/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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:44,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:44,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:44,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:44,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:44,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:44,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:44,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:44,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:44,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:44,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:44,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:44,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:44,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:44,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:44,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:44,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:44,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:44,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:44,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:44,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:44,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:44,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:44,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:44,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:44,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:44,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:44,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:44,450 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:44,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:44,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:44,453 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:44,454 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:44,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:44,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:44,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:44,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:44,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:44,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:44,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:44,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:44,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:44,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:44,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:44,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:44,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:44,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:44,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:44,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:44,489 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:44,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:44,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:44,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:44,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:44,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:44,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:44,492 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:44,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:44,492 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:44,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:44,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:44,494 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:44,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:44,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:44,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:44,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:44,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:44,496 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:44,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:44,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:44,497 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_da0d5698-30a7-473c-bea7-864cf3f345fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-23 15:57:44,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:44,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:44,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:44,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:44,819 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:44,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-23 15:57:44,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/d71f545b0/9a792d68d8f7444b904ef26b24b62471/FLAGbc5159b40 [2021-11-23 15:57:45,477 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:45,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/sv-benchmarks/c/pthread/stack-1.i [2021-11-23 15:57:45,496 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/d71f545b0/9a792d68d8f7444b904ef26b24b62471/FLAGbc5159b40 [2021-11-23 15:57:45,738 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/d71f545b0/9a792d68d8f7444b904ef26b24b62471 [2021-11-23 15:57:45,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:45,742 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:45,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:45,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:45,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:45,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f8dec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:45, skipping insertion in model container [2021-11-23 15:57:45,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:45" (1/1) ... [2021-11-23 15:57:45,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:45,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:46,278 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_da0d5698-30a7-473c-bea7-864cf3f345fd/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 15:57:46,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:46,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:46,367 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_da0d5698-30a7-473c-bea7-864cf3f345fd/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 15:57:46,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:46,458 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:46,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46 WrapperNode [2021-11-23 15:57:46,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:46,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:46,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:46,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:46,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,513 INFO L137 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 142 [2021-11-23 15:57:46,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:46,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:46,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:46,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:46,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:46,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:46,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:46,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:46,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:46,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:46,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:46,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:57:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:57:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:57:46,634 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:57:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:46,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:57:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:57:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:57:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:46,635 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:57:46,635 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:57:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:46,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:46,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:46,637 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 15:57:46,751 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:46,753 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:47,048 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:47,059 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:47,059 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:57:47,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:47 BoogieIcfgContainer [2021-11-23 15:57:47,061 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:47,062 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:47,062 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:47,092 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:47,092 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,093 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 15:57:47,096 INFO L158 Benchmark]: Toolchain (without parser) took 1353.28ms. Allocated memory is still 111.1MB. Free memory was 70.9MB in the beginning and 86.6MB in the end (delta: -15.7MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,097 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:47,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 714.69ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 66.5MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.01ms. Allocated memory is still 111.1MB. Free memory was 66.5MB in the beginning and 63.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,100 INFO L158 Benchmark]: Boogie Preprocessor took 32.14ms. Allocated memory is still 111.1MB. Free memory was 63.8MB in the beginning and 62.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,100 INFO L158 Benchmark]: RCFGBuilder took 514.74ms. Allocated memory is still 111.1MB. Free memory was 62.0MB in the beginning and 46.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,101 INFO L158 Benchmark]: CodeCheck took 32.51ms. Allocated memory is still 111.1MB. Free memory was 46.7MB in the beginning and 86.6MB in the end (delta: -39.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:47,105 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 0.33ms. Allocated memory is still 111.1MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 714.69ms. Allocated memory is still 111.1MB. Free memory was 70.7MB in the beginning and 66.5MB in the end (delta: 4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.01ms. Allocated memory is still 111.1MB. Free memory was 66.5MB in the beginning and 63.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.14ms. Allocated memory is still 111.1MB. Free memory was 63.8MB in the beginning and 62.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 514.74ms. Allocated memory is still 111.1MB. Free memory was 62.0MB in the beginning and 46.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 32.51ms. Allocated memory is still 111.1MB. Free memory was 46.7MB in the beginning and 86.6MB in the end (delta: -39.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:47,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/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_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/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_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/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_da0d5698-30a7-473c-bea7-864cf3f345fd/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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:49,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:49,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:49,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:49,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:49,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:49,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:49,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:49,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:49,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:49,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:49,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:49,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:49,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:49,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:49,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:49,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:49,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:49,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:49,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:49,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:49,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:49,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:49,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:49,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:49,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:49,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:49,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:49,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:49,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:49,563 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:49,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:49,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:49,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:49,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:49,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:49,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:49,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:49,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:49,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:49,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:49,573 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:49,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:49,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:49,601 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:49,601 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:49,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:49,603 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:49,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:49,603 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:49,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:49,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:49,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:49,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:49,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:49,606 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:49,606 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:49,606 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:49,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:49,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:49,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:49,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:49,608 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:49,608 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:49,608 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:49,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:49,609 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:49,609 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:49,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:49,610 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:49,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:49,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:49,611 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:49,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:49,611 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_da0d5698-30a7-473c-bea7-864cf3f345fd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-23 15:57:49,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:50,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:50,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:50,021 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:50,021 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:50,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-23 15:57:50,097 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/b0d512053/95f4007141e44c57a7e8443e6093bef3/FLAG43bdccb91 [2021-11-23 15:57:50,801 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:50,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/sv-benchmarks/c/pthread/stack-1.i [2021-11-23 15:57:50,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/b0d512053/95f4007141e44c57a7e8443e6093bef3/FLAG43bdccb91 [2021-11-23 15:57:51,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/data/b0d512053/95f4007141e44c57a7e8443e6093bef3 [2021-11-23 15:57:51,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:51,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:51,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:51,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:51,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b094797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51, skipping insertion in model container [2021-11-23 15:57:51,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,036 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:51,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:51,573 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_da0d5698-30a7-473c-bea7-864cf3f345fd/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 15:57:51,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,628 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:51,676 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_da0d5698-30a7-473c-bea7-864cf3f345fd/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 15:57:51,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:51,766 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:51,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51 WrapperNode [2021-11-23 15:57:51,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:51,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:51,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:51,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,829 INFO L137 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2021-11-23 15:57:51,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:51,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:51,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:51,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,885 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:51,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:51,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:51,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:51,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:51" (1/1) ... [2021-11-23 15:57:51,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:51,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:51,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:51,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:57:51,994 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:57:52,008 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:57:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:57:52,009 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:57:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:57:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:57:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:57:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:57:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:57:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:57:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:57:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:57:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:57:52,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:52,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:52,014 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 15:57:52,183 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:52,185 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:52,524 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:52,535 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:57:52,535 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:57:52,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:52 BoogieIcfgContainer [2021-11-23 15:57:52,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:57:52,539 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:57:52,539 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:57:52,548 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:57:52,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:57:52" (1/1) ... [2021-11-23 15:57:52,550 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 15:57:52,553 INFO L158 Benchmark]: Toolchain (without parser) took 1533.20ms. Allocated memory is still 71.3MB. Free memory was 48.6MB in the beginning and 36.9MB in the end (delta: 11.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,554 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:52,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.66ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 36.5MB in the end (delta: 12.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.52ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,556 INFO L158 Benchmark]: Boogie Preprocessor took 68.71ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 31.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,557 INFO L158 Benchmark]: RCFGBuilder took 638.57ms. Allocated memory is still 71.3MB. Free memory was 31.6MB in the beginning and 37.9MB in the end (delta: -6.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,557 INFO L158 Benchmark]: CodeCheck took 12.62ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 36.9MB in the end (delta: 985.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:52,562 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 0.47ms. Allocated memory is still 71.3MB. Free memory was 51.9MB in the beginning and 51.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.66ms. Allocated memory is still 71.3MB. Free memory was 48.4MB in the beginning and 36.5MB in the end (delta: 12.0MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.52ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 33.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.71ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 31.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.57ms. Allocated memory is still 71.3MB. Free memory was 31.6MB in the beginning and 37.9MB in the end (delta: -6.3MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * CodeCheck took 12.62ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 36.9MB in the end (delta: 985.4kB). 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 15:57:52,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da0d5698-30a7-473c-bea7-864cf3f345fd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported