./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB --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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:59:34,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:34,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:35,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:35,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:35,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:35,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:35,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:35,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:35,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:35,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:35,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:35,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:35,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:35,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:35,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:35,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:35,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:35,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:35,070 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:35,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:35,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:35,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:35,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:35,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:35,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:35,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:35,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:35,094 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:35,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:35,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:35,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:35,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:35,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:35,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:35,104 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:35,104 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:35,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:35,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:35,106 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:35,107 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:35,108 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:35,150 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:35,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:35,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:35,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:35,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:35,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:35,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:35,153 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:35,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:35,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:35,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:35,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:35,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:35,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:35,154 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:35,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:35,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:35,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:35,155 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:35,155 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:35,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:35,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:35,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:35,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:35,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:35,156 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:35,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:35,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:35,157 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_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-10-17 16:59:35,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:35,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:35,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:35,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:35,530 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:35,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-10-17 16:59:35,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/8d5970f12/5467a99f3cea4d5ab05047edb648b70b/FLAGde0f62913 [2022-10-17 16:59:36,071 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:36,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-10-17 16:59:36,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/8d5970f12/5467a99f3cea4d5ab05047edb648b70b/FLAGde0f62913 [2022-10-17 16:59:36,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/8d5970f12/5467a99f3cea4d5ab05047edb648b70b [2022-10-17 16:59:36,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:36,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:36,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:36,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:36,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:36,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,124 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@619bb48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36, skipping insertion in model container [2022-10-17 16:59:36,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:36,194 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:36,535 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_537f4a23-c392-4f8b-ba93-0bd90069400e/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-10-17 16:59:36,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:36,554 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:36,592 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_537f4a23-c392-4f8b-ba93-0bd90069400e/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-10-17 16:59:36,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:36,648 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:36,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36 WrapperNode [2022-10-17 16:59:36,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:36,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:36,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:36,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:36,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,733 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 115 [2022-10-17 16:59:36,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:36,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:36,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:36,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:36,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,767 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,784 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:36,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:36,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:36,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:36,804 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:36" (1/1) ... [2022-10-17 16:59:36,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:36,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:36,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:36,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:36,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:59:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:59:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:59:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:59:36,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 16:59:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 16:59:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:59:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:59:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:36,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:59:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:59:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-10-17 16:59:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-10-17 16:59:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:36,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 16:59:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 16:59:36,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:36,887 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:59:37,057 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:37,059 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:37,373 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:37,525 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:37,525 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:59:37,526 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-10-17 16:59:37,527 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2022-10-17 16:59:37,532 INFO L158 Benchmark]: Toolchain (without parser) took 1417.30ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 59.9MB in the beginning and 93.5MB in the end (delta: -33.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2022-10-17 16:59:37,533 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:59:37,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.83ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 60.3MB in the end (delta: -632.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:59:37,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.51ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:37,535 INFO L158 Benchmark]: Boogie Preprocessor took 61.63ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 56.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:37,536 INFO L158 Benchmark]: RCFGBuilder took 733.37ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 56.4MB in the beginning and 93.5MB in the end (delta: -37.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-10-17 16:59:37,540 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 68.3MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.83ms. Allocated memory is still 96.5MB. Free memory was 59.6MB in the beginning and 60.3MB in the end (delta: -632.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.51ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 58.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.63ms. Allocated memory is still 96.5MB. Free memory was 58.1MB in the beginning and 56.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 733.37ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 56.4MB in the beginning and 93.5MB in the end (delta: -37.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:59:37,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/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_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB --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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:59:40,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:40,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:40,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:40,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:40,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:40,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:40,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:40,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:40,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:40,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:40,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:40,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:40,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:40,130 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:40,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:40,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:40,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:40,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:40,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:40,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:40,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:40,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:40,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:40,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:40,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:40,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:40,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:40,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:40,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:40,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:40,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:40,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:40,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:40,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:40,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:40,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:40,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:40,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:40,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:40,198 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:40,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:59:40,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:40,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:40,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:40,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:40,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:40,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:40,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:40,246 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:40,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:40,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:40,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:40,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:40,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:40,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:59:40,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:59:40,248 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:59:40,248 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:40,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:40,248 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:40,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:40,249 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:40,249 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:40,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:40,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:40,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:40,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:40,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:40,251 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:59:40,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:59:40,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:40,252 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:59:40,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:59:40,252 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_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-10-17 16:59:40,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:40,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:40,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:40,628 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:40,629 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:40,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-10-17 16:59:40,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/c51b4e21c/29f14a8c7c0646d18aee291675a55e37/FLAG2d5290d04 [2022-10-17 16:59:41,356 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:41,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-10-17 16:59:41,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/c51b4e21c/29f14a8c7c0646d18aee291675a55e37/FLAG2d5290d04 [2022-10-17 16:59:41,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/data/c51b4e21c/29f14a8c7c0646d18aee291675a55e37 [2022-10-17 16:59:41,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:41,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:41,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:41,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:41,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:41,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:41" (1/1) ... [2022-10-17 16:59:41,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48845e65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:41, skipping insertion in model container [2022-10-17 16:59:41,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:41" (1/1) ... [2022-10-17 16:59:41,631 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:41,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:42,059 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_537f4a23-c392-4f8b-ba93-0bd90069400e/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-10-17 16:59:42,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:42,101 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:42,150 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_537f4a23-c392-4f8b-ba93-0bd90069400e/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-10-17 16:59:42,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:42,197 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:42,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42 WrapperNode [2022-10-17 16:59:42,198 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:42,199 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:42,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:42,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:42,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,272 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-10-17 16:59:42,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:42,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:42,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:42,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:42,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,308 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,337 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:42,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:42,345 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:42,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:42,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:42" (1/1) ... [2022-10-17 16:59:42,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:42,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:42,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:59:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:59:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:59:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 16:59:42,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 16:59:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:59:42,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:59:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:59:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:59:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:59:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:59:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:59:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-10-17 16:59:42,422 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-10-17 16:59:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 16:59:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 16:59:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:42,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:42,425 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:59:42,659 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:42,661 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:43,010 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:43,153 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:43,154 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:59:43,155 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-10-17 16:59:43,155 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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) [2022-10-17 16:59:43,159 INFO L158 Benchmark]: Toolchain (without parser) took 1550.78ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.9MB in the beginning and 51.3MB in the end (delta: -18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:59:43,160 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 67.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:43,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.29ms. Allocated memory is still 56.6MB. Free memory was 32.7MB in the beginning and 27.3MB in the end (delta: 5.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-10-17 16:59:43,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.57ms. Allocated memory is still 56.6MB. Free memory was 27.3MB in the beginning and 25.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:59:43,163 INFO L158 Benchmark]: Boogie Preprocessor took 70.45ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 25.1MB in the beginning and 55.3MB in the end (delta: -30.3MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2022-10-17 16:59:43,164 INFO L158 Benchmark]: RCFGBuilder took 813.07ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 51.3MB in the end (delta: 4.0MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-10-17 16:59:43,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * 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 36.9MB in the beginning and 36.8MB in the end (delta: 67.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.29ms. Allocated memory is still 56.6MB. Free memory was 32.7MB in the beginning and 27.3MB in the end (delta: 5.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.57ms. Allocated memory is still 56.6MB. Free memory was 27.3MB in the beginning and 25.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.45ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 25.1MB in the beginning and 55.3MB in the end (delta: -30.3MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * RCFGBuilder took 813.07ms. Allocated memory is still 73.4MB. Free memory was 55.3MB in the beginning and 51.3MB in the end (delta: 4.0MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:59:43,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_537f4a23-c392-4f8b-ba93-0bd90069400e/bin/ukojak-92XMlrwhuB/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?