./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e --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 0.2.1-dev-63182f1 [2021-11-13 23:42:49,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:42:49,531 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:42:49,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:42:49,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:42:49,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:42:49,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:42:49,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:42:49,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:42:49,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:42:49,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:42:49,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:42:49,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:42:49,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:42:49,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:42:49,628 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:42:49,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:42:49,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:42:49,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:42:49,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:42:49,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:42:49,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:42:49,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:42:49,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:42:49,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:42:49,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:42:49,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:42:49,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:42:49,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:42:49,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:42:49,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:42:49,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:42:49,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:42:49,673 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:42:49,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:42:49,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:42:49,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:42:49,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:42:49,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:42:49,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:42:49,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:42:49,679 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 23:42:49,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:42:49,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:42:49,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:42:49,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:42:49,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:42:49,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:42:49,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:42:49,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:42:49,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:42:49,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:42:49,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:42:49,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:42:49,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:42:49,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:42:49,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:42:49,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:42:49,747 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:42:49,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:42:49,747 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:42:49,747 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:42:49,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:42:49,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:49,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:42:49,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:42:49,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:42:49,748 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:42:49,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:42:49,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:42:49,749 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_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-13 23:42:50,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:42:50,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:42:50,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:42:50,141 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:42:50,143 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:42:50,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-13 23:42:50,231 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/e23067364/9628176d4b054b749169612de413c77a/FLAGfc5095c88 [2021-11-13 23:42:51,006 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:42:51,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/sv-benchmarks/c/pthread/stack-1.i [2021-11-13 23:42:51,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/e23067364/9628176d4b054b749169612de413c77a/FLAGfc5095c88 [2021-11-13 23:42:51,214 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/e23067364/9628176d4b054b749169612de413c77a [2021-11-13 23:42:51,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:42:51,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:42:51,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:51,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:42:51,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:42:51,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:51" (1/1) ... [2021-11-13 23:42:51,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5186c424 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:51, skipping insertion in model container [2021-11-13 23:42:51,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:51" (1/1) ... [2021-11-13 23:42:51,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:42:51,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:42:51,874 WARN L228 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_534b74c0-43d8-4a8d-b51c-4240b47006ef/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-13 23:42:51,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:51,927 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:42:51,981 WARN L228 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_534b74c0-43d8-4a8d-b51c-4240b47006ef/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-13 23:42:51,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:52,064 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:42:52,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52 WrapperNode [2021-11-13 23:42:52,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:52,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:52,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:42:52,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:42:52,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:52,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:42:52,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:42:52,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:42:52,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:42:52,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:42:52,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:42:52,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:42:52,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:42:52,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:42:52,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:42:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 23:42:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 23:42:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 23:42:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 23:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:42:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-13 23:42:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-13 23:42:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-13 23:42:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-13 23:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:42:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:42:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:42:52,346 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:42:52,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:42:52,906 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:42:52,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:52 BoogieIcfgContainer [2021-11-13 23:42:52,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:42:52,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:42:52,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:42:52,919 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:42:52,920 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:52" (1/1) ... [2021-11-13 23:42:52,921 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) [2021-11-13 23:42:52,924 INFO L158 Benchmark]: Toolchain (without parser) took 1704.62ms. Allocated memory is still 121.6MB. Free memory was 81.0MB in the beginning and 55.3MB in the end (delta: 25.7MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2021-11-13 23:42:52,925 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:42:52,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 843.76ms. Allocated memory is still 121.6MB. Free memory was 80.7MB in the beginning and 76.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:42:52,927 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.45ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 73.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:42:52,927 INFO L158 Benchmark]: Boogie Preprocessor took 75.83ms. Allocated memory is still 121.6MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:42:52,928 INFO L158 Benchmark]: RCFGBuilder took 687.74ms. Allocated memory is still 121.6MB. Free memory was 72.1MB in the beginning and 56.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-13 23:42:52,929 INFO L158 Benchmark]: CodeCheck took 13.78ms. Allocated memory is still 121.6MB. Free memory was 56.4MB in the beginning and 55.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:42:52,933 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 0.34ms. Allocated memory is still 121.6MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 843.76ms. Allocated memory is still 121.6MB. Free memory was 80.7MB in the beginning and 76.3MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.45ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 73.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.83ms. Allocated memory is still 121.6MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 687.74ms. Allocated memory is still 121.6MB. Free memory was 72.1MB in the beginning and 56.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 13.78ms. Allocated memory is still 121.6MB. Free memory was 56.4MB in the beginning and 55.3MB 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. [2021-11-13 23:42:53,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/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_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e --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 0.2.1-dev-63182f1 [2021-11-13 23:42:55,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:42:55,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:42:55,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:42:55,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:42:55,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:42:55,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:42:55,918 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:42:55,922 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:42:55,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:42:55,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:42:55,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:42:55,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:42:55,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:42:55,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:42:55,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:42:55,945 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:42:55,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:42:55,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:42:55,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:42:55,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:42:55,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:42:55,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:42:55,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:42:55,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:42:55,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:42:55,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:42:55,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:42:55,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:42:55,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:42:55,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:42:55,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:42:55,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:42:55,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:42:56,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:42:56,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:42:56,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:42:56,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:42:56,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:42:56,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:42:56,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:42:56,012 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 23:42:56,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:42:56,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:42:56,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:42:56,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:42:56,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:42:56,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:42:56,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:42:56,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:42:56,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:42:56,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:42:56,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:42:56,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:42:56,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:42:56,061 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:42:56,061 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:42:56,061 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:42:56,062 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:42:56,062 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:42:56,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:42:56,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:42:56,063 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:42:56,063 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:42:56,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:42:56,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:56,064 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:42:56,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:42:56,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:42:56,065 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:42:56,065 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:42:56,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:42:56,065 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:42:56,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:42:56,066 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_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-13 23:42:56,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:42:56,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:42:56,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:42:56,584 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:42:56,585 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:42:56,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-13 23:42:56,668 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/b2438aff2/46c192f8cb614fbf82b3d14fb7787a1e/FLAGc5e45da86 [2021-11-13 23:42:57,360 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:42:57,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/sv-benchmarks/c/pthread/stack-1.i [2021-11-13 23:42:57,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/b2438aff2/46c192f8cb614fbf82b3d14fb7787a1e/FLAGc5e45da86 [2021-11-13 23:42:57,582 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/data/b2438aff2/46c192f8cb614fbf82b3d14fb7787a1e [2021-11-13 23:42:57,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:42:57,588 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:42:57,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:57,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:42:57,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:42:57,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:57" (1/1) ... [2021-11-13 23:42:57,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3292d2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:57, skipping insertion in model container [2021-11-13 23:42:57,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:57" (1/1) ... [2021-11-13 23:42:57,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:42:57,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:42:58,341 WARN L228 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_534b74c0-43d8-4a8d-b51c-4240b47006ef/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-13 23:42:58,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:58,427 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:42:58,505 WARN L228 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_534b74c0-43d8-4a8d-b51c-4240b47006ef/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-13 23:42:58,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:58,675 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:42:58,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58 WrapperNode [2021-11-13 23:42:58,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:58,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:58,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:42:58,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:42:58,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,743 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:58,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:42:58,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:42:58,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:42:58,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,845 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:42:58,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:42:58,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:42:58,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:42:58,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:58" (1/1) ... [2021-11-13 23:42:58,879 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:58,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:42:58,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:42:58,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:42:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 23:42:58,971 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-13 23:42:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-13 23:42:58,972 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-13 23:42:58,972 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-13 23:42:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:42:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:42:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 23:42:58,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 23:42:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 23:42:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-13 23:42:58,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-13 23:42:58,974 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-13 23:42:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-13 23:42:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-13 23:42:58,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:42:58,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:42:58,977 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 23:42:59,612 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:42:59,613 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:42:59,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:59 BoogieIcfgContainer [2021-11-13 23:42:59,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:42:59,633 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:42:59,640 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:42:59,652 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:42:59,667 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:59" (1/1) ... [2021-11-13 23:42:59,669 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) [2021-11-13 23:42:59,674 INFO L158 Benchmark]: Toolchain (without parser) took 2084.37ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.5MB in the beginning and 36.2MB in the end (delta: -8.6MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-13 23:42:59,675 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 52.4MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:42:59,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1083.75ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.3MB in the beginning and 42.6MB in the end (delta: -15.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-13 23:42:59,677 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.68ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 40.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:42:59,683 INFO L158 Benchmark]: Boogie Preprocessor took 78.34ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 37.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:42:59,684 INFO L158 Benchmark]: RCFGBuilder took 766.17ms. Allocated memory is still 67.1MB. Free memory was 37.8MB in the beginning and 37.2MB in the end (delta: 693.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-13 23:42:59,685 INFO L158 Benchmark]: CodeCheck took 38.86ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 36.2MB in the end (delta: 993.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:42:59,690 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 0.34ms. Allocated memory is still 52.4MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1083.75ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 27.3MB in the beginning and 42.6MB in the end (delta: -15.2MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.68ms. Allocated memory is still 67.1MB. Free memory was 42.6MB in the beginning and 40.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.34ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 37.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 766.17ms. Allocated memory is still 67.1MB. Free memory was 37.8MB in the beginning and 37.2MB in the end (delta: 693.9kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 38.86ms. Allocated memory is still 67.1MB. Free memory was 37.2MB in the beginning and 36.2MB in the end (delta: 993.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:42:59,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_534b74c0-43d8-4a8d-b51c-4240b47006ef/bin/ukojak-2xVlg8857e/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