./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longer-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:27,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:27,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:27,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:27,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:27,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:27,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:27,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:27,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:27,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:27,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:27,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:27,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:27,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:27,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:27,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:27,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:27,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:27,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:27,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:27,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:27,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:27,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:27,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:27,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:27,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:27,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:27,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:27,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:27,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:27,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:27,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:27,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:27,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:27,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:27,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:27,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:27,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:27,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:27,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:27,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:27,645 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:27,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:27,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:27,689 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:27,690 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:27,690 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:27,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:27,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:27,691 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:27,691 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:27,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:27,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:27,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:27,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:27,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:27,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:27,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:27,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:27,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:27,694 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:27,695 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:27,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:27,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:27,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:27,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:27,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:27,696 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:27,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:27,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:27,697 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_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2021-11-23 15:05:28,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:28,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:28,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:28,039 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:28,040 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:28,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-23 15:05:28,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/d08da6019/ec854a04becf441fbb4ca2725c433604/FLAG92ddeaaf8 [2021-11-23 15:05:28,737 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:28,737 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-23 15:05:28,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/d08da6019/ec854a04becf441fbb4ca2725c433604/FLAG92ddeaaf8 [2021-11-23 15:05:29,041 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/d08da6019/ec854a04becf441fbb4ca2725c433604 [2021-11-23 15:05:29,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:29,045 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:29,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:29,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:29,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:29,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf7e68a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29, skipping insertion in model container [2021-11-23 15:05:29,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:29,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:29,571 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_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-23 15:05:29,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:29,614 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:29,657 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_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-23 15:05:29,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:29,740 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:29,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29 WrapperNode [2021-11-23 15:05:29,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:29,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:29,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:29,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:29,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,811 INFO L137 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2021-11-23 15:05:29,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:29,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:29,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:29,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:29,822 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:29,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:29,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:29,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:29,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:29" (1/1) ... [2021-11-23 15:05:29,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:29,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:29,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:05:30,030 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:05:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:05:30,031 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:05:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:30,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:05:30,032 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:05:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:05:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:05:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:05:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:30,038 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:05:30,246 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:30,248 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:30,599 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:30,610 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:05:30,610 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:05:30,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:30 BoogieIcfgContainer [2021-11-23 15:05:30,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:05:30,618 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:05:30,618 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:05:30,628 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:05:30,628 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:30" (1/1) ... [2021-11-23 15:05:30,629 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:30,633 INFO L158 Benchmark]: Toolchain (without parser) took 1586.78ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 63.8MB in the end (delta: 7.3MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,634 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:30,634 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.47ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 42.1MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.46ms. Allocated memory is still 102.8MB. Free memory was 42.1MB in the beginning and 39.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,636 INFO L158 Benchmark]: Boogie Preprocessor took 69.01ms. Allocated memory is still 102.8MB. Free memory was 39.4MB in the beginning and 80.5MB in the end (delta: -41.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,636 INFO L158 Benchmark]: RCFGBuilder took 733.41ms. Allocated memory is still 102.8MB. Free memory was 80.5MB in the beginning and 65.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,637 INFO L158 Benchmark]: CodeCheck took 13.36ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 63.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:30,641 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 0.32ms. Allocated memory is still 77.6MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.47ms. Allocated memory is still 102.8MB. Free memory was 71.0MB in the beginning and 42.1MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.46ms. Allocated memory is still 102.8MB. Free memory was 42.1MB in the beginning and 39.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.01ms. Allocated memory is still 102.8MB. Free memory was 39.4MB in the beginning and 80.5MB in the end (delta: -41.1MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * RCFGBuilder took 733.41ms. Allocated memory is still 102.8MB. Free memory was 80.5MB in the beginning and 65.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 13.36ms. Allocated memory is still 102.8MB. Free memory was 65.0MB in the beginning and 63.8MB 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. [2021-11-23 15:05:30,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longer-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:33,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:33,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:33,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:33,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:33,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:33,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:33,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:33,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:33,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:33,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:33,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:33,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:33,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:33,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:33,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:33,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:33,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:33,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:33,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:33,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:33,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:33,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:33,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:33,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:33,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:33,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:33,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:33,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:33,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:33,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:33,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:33,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:33,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:33,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:33,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:33,499 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:33,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:33,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:33,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:33,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:33,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:33,550 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:33,550 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:33,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:33,553 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:33,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:33,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:33,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:33,556 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:33,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:33,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:33,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:33,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:33,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:33,558 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:33,559 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:33,559 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:33,559 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:33,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:33,560 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:33,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:33,561 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:33,561 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:33,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:33,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:33,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:33,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:33,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:33,563 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:33,563 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:33,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:33,563 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:33,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:33,564 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_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4351dece6a672e511bbcb86915e62fc8a7361763ad7ab88f2e640b2d00ea50a7 [2021-11-23 15:05:34,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:34,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:34,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:34,072 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:34,073 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:34,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-23 15:05:34,154 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/8ff4a4094/abf1ca844fee4112b39b6387ea93ebcf/FLAG5488ef891 [2021-11-23 15:05:34,843 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:34,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/sv-benchmarks/c/pthread/stack_longer-1.i [2021-11-23 15:05:34,871 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/8ff4a4094/abf1ca844fee4112b39b6387ea93ebcf/FLAG5488ef891 [2021-11-23 15:05:35,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/data/8ff4a4094/abf1ca844fee4112b39b6387ea93ebcf [2021-11-23 15:05:35,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:35,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:35,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:35,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:35,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:35,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7775da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:35, skipping insertion in model container [2021-11-23 15:05:35,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:35" (1/1) ... [2021-11-23 15:05:35,083 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:35,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:35,787 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_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-23 15:05:35,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:35,862 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:35,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/sv-benchmarks/c/pthread/stack_longer-1.i[41527,41540] [2021-11-23 15:05:35,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:36,025 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:36,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36 WrapperNode [2021-11-23 15:05:36,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:36,028 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:36,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:36,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:36,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,088 INFO L137 Inliner]: procedures = 281, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2021-11-23 15:05:36,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:36,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:36,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:36,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:36,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,105 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:36,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:36,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:36,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:36,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:36,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:36,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:36,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:36,238 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:05:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:05:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:05:36,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:05:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:05:36,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:36,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:05:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:05:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:05:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:05:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:05:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:05:36,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:36,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:36,245 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 15:05:36,444 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:36,446 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:36,758 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:36,768 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:05:36,780 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:05:36,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:36 BoogieIcfgContainer [2021-11-23 15:05:36,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:05:36,784 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:05:36,784 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:05:36,813 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:05:36,813 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:05:36" (1/1) ... [2021-11-23 15:05:36,814 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:36,821 INFO L158 Benchmark]: Toolchain (without parser) took 1751.82ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.7MB in the beginning and 59.2MB in the end (delta: -26.6MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,822 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:36,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 958.29ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.5MB in the beginning and 54.1MB in the end (delta: -21.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.36ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 51.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,825 INFO L158 Benchmark]: Boogie Preprocessor took 70.88ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 49.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,826 INFO L158 Benchmark]: RCFGBuilder took 621.47ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 34.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,827 INFO L158 Benchmark]: CodeCheck took 32.55ms. Allocated memory is still 79.7MB. Free memory was 34.0MB in the beginning and 59.2MB in the end (delta: -25.2MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:36,839 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 0.28ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 39.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 958.29ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 32.5MB in the beginning and 54.1MB in the end (delta: -21.6MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.36ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 51.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.88ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 49.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.47ms. Allocated memory is still 79.7MB. Free memory was 49.5MB in the beginning and 34.0MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 32.55ms. Allocated memory is still 79.7MB. Free memory was 34.0MB in the beginning and 59.2MB in the end (delta: -25.2MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:36,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc5422a3-ee82-4197-bf3f-5d5f8bfe08b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported