./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ --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-aef121e [2021-11-23 00:39:16,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:16,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:16,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:16,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:16,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:16,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:16,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:16,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:16,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:16,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:16,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:16,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:16,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:16,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:16,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:16,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:16,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:16,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:16,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:16,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:16,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:16,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:16,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:16,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:16,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:16,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:16,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:16,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:16,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:16,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:16,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:16,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:16,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:16,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:16,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:16,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:16,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:16,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:16,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:16,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:16,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:39:16,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:16,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:16,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:39:16,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:39:16,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:16,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:16,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:16,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:16,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:39:16,606 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:16,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:16,607 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:39:16,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:16,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:39:16,607 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:16,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:39:16,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:16,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:39:16,615 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:16,615 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:16,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:16,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:16,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:16,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:16,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:39:16,617 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:39:16,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:39:16,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:39:16,618 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_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-23 00:39:16,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:16,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:16,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:16,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:16,988 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:16,991 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-23 00:39:17,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/c23b024d1/61e753b6c1ed488e8d5a628b4f12092d/FLAG256b64660 [2021-11-23 00:39:17,738 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:17,739 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/sv-benchmarks/c/pthread/stack-1.i [2021-11-23 00:39:17,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/c23b024d1/61e753b6c1ed488e8d5a628b4f12092d/FLAG256b64660 [2021-11-23 00:39:17,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/c23b024d1/61e753b6c1ed488e8d5a628b4f12092d [2021-11-23 00:39:17,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:17,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:17,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:17,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:17,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:17,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:17" (1/1) ... [2021-11-23 00:39:18,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8658a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18, skipping insertion in model container [2021-11-23 00:39:18,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:17" (1/1) ... [2021-11-23 00:39:18,012 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:18,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:18,568 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_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 00:39:18,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:18,612 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:18,683 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_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 00:39:18,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:18,784 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:18,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18 WrapperNode [2021-11-23 00:39:18,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:18,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:18,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:18,786 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:18,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,859 INFO L137 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 142 [2021-11-23 00:39:18,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:18,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:18,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:18,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:18,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:18,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:18,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:18,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:18,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:18" (1/1) ... [2021-11-23 00:39:18,925 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:18,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:18,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:18,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 00:39:19,004 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 00:39:19,004 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 00:39:19,005 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 00:39:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:39:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:39:19,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:39:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:39:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 00:39:19,006 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 00:39:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 00:39:19,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 00:39:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 00:39:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:39:19,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:19,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:19,009 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 00:39:19,162 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:19,164 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:19,450 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:19,461 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:19,461 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:39:19,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:19 BoogieIcfgContainer [2021-11-23 00:39:19,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:39:19,464 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:39:19,465 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:39:19,475 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:39:19,475 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:19,476 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 00:39:19,480 INFO L158 Benchmark]: Toolchain (without parser) took 1489.65ms. Allocated memory is still 125.8MB. Free memory was 83.3MB in the beginning and 57.3MB in the end (delta: 25.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:19,481 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:19,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 791.04ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 78.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:19,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.29ms. Allocated memory is still 125.8MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:19,484 INFO L158 Benchmark]: Boogie Preprocessor took 49.90ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:19,484 INFO L158 Benchmark]: RCFGBuilder took 552.39ms. Allocated memory is still 125.8MB. Free memory was 73.6MB in the beginning and 58.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:39:19,485 INFO L158 Benchmark]: CodeCheck took 14.04ms. Allocated memory is still 125.8MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:19,489 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 0.38ms. Allocated memory is still 125.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 791.04ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 78.0MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.29ms. Allocated memory is still 125.8MB. Free memory was 78.0MB in the beginning and 75.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.90ms. Allocated memory is still 125.8MB. Free memory was 75.2MB in the beginning and 73.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.39ms. Allocated memory is still 125.8MB. Free memory was 73.6MB in the beginning and 58.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.04ms. Allocated memory is still 125.8MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:39:19,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/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_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ --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-aef121e [2021-11-23 00:39:22,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:22,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:22,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:22,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:22,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:22,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:22,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:22,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:22,191 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:22,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:22,197 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:22,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:22,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:22,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:22,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:22,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:22,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:22,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:22,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:22,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:22,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:22,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:22,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:22,243 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:22,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:22,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:22,246 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:22,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:22,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:22,249 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:22,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:22,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:22,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:22,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:22,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:22,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:22,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:22,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:22,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:22,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:22,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:39:22,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:22,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:22,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:39:22,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:39:22,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:22,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:22,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:22,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:22,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:22,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:22,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:39:22,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:22,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:39:22,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:39:22,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:39:22,314 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:39:22,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:22,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:39:22,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:22,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:39:22,314 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:22,315 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:22,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:22,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:22,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:22,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:22,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:39:22,316 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:39:22,317 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:39:22,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:39:22,318 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:39:22,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:39:22,318 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_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-23 00:39:22,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:22,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:22,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:22,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:22,713 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:22,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-23 00:39:22,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/2ea7e118d/6fc0e5380d294360873288d6e3f32115/FLAG5773b9fe7 [2021-11-23 00:39:23,490 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:23,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/sv-benchmarks/c/pthread/stack-1.i [2021-11-23 00:39:23,509 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/2ea7e118d/6fc0e5380d294360873288d6e3f32115/FLAG5773b9fe7 [2021-11-23 00:39:23,688 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/data/2ea7e118d/6fc0e5380d294360873288d6e3f32115 [2021-11-23 00:39:23,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:23,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:23,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:23,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:23,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:23,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:23" (1/1) ... [2021-11-23 00:39:23,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5168b6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:23, skipping insertion in model container [2021-11-23 00:39:23,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:23" (1/1) ... [2021-11-23 00:39:23,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:23,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:24,397 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_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 00:39:24,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:24,440 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:24,479 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_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-23 00:39:24,490 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:24,568 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:24,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24 WrapperNode [2021-11-23 00:39:24,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:24,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:24,571 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:24,571 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:24,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,633 INFO L137 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2021-11-23 00:39:24,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:24,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:24,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:24,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:24,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,666 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:24,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:24,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:24,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:24,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:24" (1/1) ... [2021-11-23 00:39:24,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:24,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:24,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:24,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:39:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 00:39:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 00:39:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 00:39:24,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 00:39:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:39:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:39:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:39:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:39:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 00:39:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 00:39:24,820 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 00:39:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 00:39:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 00:39:24,821 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 00:39:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:24,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:24,823 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 00:39:24,958 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:24,960 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:25,314 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:25,325 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:25,326 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:39:25,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:25 BoogieIcfgContainer [2021-11-23 00:39:25,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:39:25,330 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:39:25,330 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:39:25,341 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:39:25,341 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:25" (1/1) ... [2021-11-23 00:39:25,342 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 00:39:25,347 INFO L158 Benchmark]: Toolchain (without parser) took 1653.21ms. Allocated memory is still 75.5MB. Free memory was 59.5MB in the beginning and 41.3MB in the end (delta: 18.2MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:25,347 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:25,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.49ms. Allocated memory is still 75.5MB. Free memory was 59.3MB in the beginning and 38.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-11-23 00:39:25,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.16ms. Allocated memory is still 75.5MB. Free memory was 38.3MB in the beginning and 35.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:25,350 INFO L158 Benchmark]: Boogie Preprocessor took 94.81ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 57.8MB in the end (delta: -22.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 00:39:25,351 INFO L158 Benchmark]: RCFGBuilder took 595.81ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 42.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 00:39:25,352 INFO L158 Benchmark]: CodeCheck took 15.22ms. Allocated memory is still 75.5MB. Free memory was 42.0MB in the beginning and 41.3MB in the end (delta: 756.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:25,356 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 0.16ms. Allocated memory is still 75.5MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.49ms. Allocated memory is still 75.5MB. Free memory was 59.3MB in the beginning and 38.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.16ms. Allocated memory is still 75.5MB. Free memory was 38.3MB in the beginning and 35.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.81ms. Allocated memory is still 75.5MB. Free memory was 35.7MB in the beginning and 57.8MB in the end (delta: -22.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 595.81ms. Allocated memory is still 75.5MB. Free memory was 57.5MB in the beginning and 42.3MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.22ms. Allocated memory is still 75.5MB. Free memory was 42.0MB in the beginning and 41.3MB in the end (delta: 756.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:39:25,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97d6cf98-79b8-4ce4-b226-b6061b6a5fd9/bin/ukojak-LBtLqBUTdQ/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