./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc --- 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-6b4ec56 [2022-11-20 17:52:38,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:52:38,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:52:38,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:52:38,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:52:38,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:52:38,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:52:38,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:52:38,675 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:52:38,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:52:38,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:52:38,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:52:38,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:52:38,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:52:38,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:52:38,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:52:38,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:52:38,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:52:38,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:52:38,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:52:38,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:52:38,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:52:38,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:52:38,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:52:38,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:52:38,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:52:38,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:52:38,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:52:38,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:52:38,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:52:38,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:52:38,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:52:38,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:52:38,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:52:38,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:52:38,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:52:38,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:52:38,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:52:38,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:52:38,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:52:38,709 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:52:38,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:52:38,747 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:52:38,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:52:38,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:52:38,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:52:38,749 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:52:38,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:52:38,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:52:38,750 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:52:38,750 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:52:38,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:52:38,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:52:38,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:52:38,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:52:38,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:52:38,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:52:38,760 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:52:38,760 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:52:38,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:52:38,761 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:52:38,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:52:38,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:52:38,762 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:52:38,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:52:38,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:52:38,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:52:38,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:52:38,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:52:38,763 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:52:38,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:52:38,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:52:38,764 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_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc [2022-11-20 17:52:39,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:52:39,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:52:39,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:52:39,086 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:52:39,087 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:52:39,088 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-11-20 17:52:42,247 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:52:42,501 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:52:42,502 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-11-20 17:52:42,516 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data/1f02393fc/011ffeac837d41c5b655f6f1e1b46a54/FLAGd927f4171 [2022-11-20 17:52:42,533 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data/1f02393fc/011ffeac837d41c5b655f6f1e1b46a54 [2022-11-20 17:52:42,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:52:42,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:52:42,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:52:42,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:52:42,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:52:42,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:42" (1/1) ... [2022-11-20 17:52:42,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32cedfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:42, skipping insertion in model container [2022-11-20 17:52:42,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:42" (1/1) ... [2022-11-20 17:52:42,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:52:42,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:52:43,022 WARN L237 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_1b234524-2e1c-4fb2-bea1-1a0ef276db92/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-11-20 17:52:43,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:52:43,051 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:52:43,092 WARN L237 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_1b234524-2e1c-4fb2-bea1-1a0ef276db92/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-11-20 17:52:43,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:52:43,129 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:52:43,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43 WrapperNode [2022-11-20 17:52:43,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:52:43,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:52:43,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:52:43,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:52:43,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,189 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-20 17:52:43,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:52:43,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:52:43,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:52:43,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:52:43,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,218 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:52:43,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:52:43,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:52:43,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:52:43,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:43" (1/1) ... [2022-11-20 17:52:43,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:52:43,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:52:43,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:52:43,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:52:43,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:52:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:52:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:52:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:52:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:52:43,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:52:43,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:52:43,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:52:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:52:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:52:43,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:52:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-20 17:52:43,334 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-20 17:52:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:52:43,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:52:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:52:43,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:52:43,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:52:43,336 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:52:43,515 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:52:43,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:52:43,857 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:52:43,924 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:52:43,924 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:52:43,925 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-20 17:52:43,926 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) [2022-11-20 17:52:43,930 INFO L158 Benchmark]: Toolchain (without parser) took 1392.30ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 104.5MB in the beginning and 145.6MB in the end (delta: -41.1MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-11-20 17:52:43,931 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:52:43,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.01ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 84.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:52:43,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.72ms. Allocated memory is still 151.0MB. Free memory was 84.0MB in the beginning and 81.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:52:43,933 INFO L158 Benchmark]: Boogie Preprocessor took 31.77ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:52:43,934 INFO L158 Benchmark]: RCFGBuilder took 705.46ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 79.9MB in the beginning and 145.6MB in the end (delta: -65.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-11-20 17:52:43,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.01ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 84.0MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.72ms. Allocated memory is still 151.0MB. Free memory was 84.0MB in the beginning and 81.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.77ms. Allocated memory is still 151.0MB. Free memory was 81.7MB in the beginning and 80.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 705.46ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 79.9MB in the beginning and 145.6MB in the end (delta: -65.7MB). Peak memory consumption was 15.0MB. 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. [2022-11-20 17:52:43,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc --- 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-6b4ec56 [2022-11-20 17:52:46,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:52:46,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:52:46,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:52:46,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:52:46,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:52:46,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:52:46,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:52:46,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:52:46,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:52:46,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:52:46,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:52:46,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:52:46,640 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:52:46,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:52:46,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:52:46,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:52:46,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:52:46,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:52:46,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:52:46,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:52:46,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:52:46,665 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:52:46,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:52:46,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:52:46,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:52:46,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:52:46,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:52:46,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:52:46,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:52:46,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:52:46,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:52:46,686 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:52:46,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:52:46,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:52:46,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:52:46,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:52:46,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:52:46,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:52:46,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:52:46,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:52:46,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:52:46,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:52:46,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:52:46,741 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:52:46,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:52:46,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:52:46,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:52:46,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:52:46,743 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:52:46,743 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:52:46,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:52:46,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:52:46,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:52:46,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:52:46,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:52:46,746 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:52:46,746 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:52:46,746 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:52:46,747 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:52:46,747 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:52:46,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:52:46,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:52:46,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:52:46,748 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:52:46,748 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:52:46,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:52:46,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:52:46,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:52:46,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:52:46,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:52:46,750 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:52:46,750 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:52:46,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:52:46,751 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:52:46,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:52:46,751 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_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93834d0ed7ae29f55a5cf3676a6d16497c83e10891cd8a2ab18e9898a90eaebc [2022-11-20 17:52:47,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:52:47,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:52:47,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:52:47,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:52:47,192 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:52:47,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-11-20 17:52:50,346 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:52:50,605 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:52:50,606 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i [2022-11-20 17:52:50,628 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data/36fd0e56e/5347663d7151446fb13d533e2def7e44/FLAG3c2b33d8c [2022-11-20 17:52:50,644 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/data/36fd0e56e/5347663d7151446fb13d533e2def7e44 [2022-11-20 17:52:50,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:52:50,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:52:50,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:52:50,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:52:50,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:52:50,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:50" (1/1) ... [2022-11-20 17:52:50,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c295ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:50, skipping insertion in model container [2022-11-20 17:52:50,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:52:50" (1/1) ... [2022-11-20 17:52:50,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:52:50,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:52:51,128 WARN L237 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_1b234524-2e1c-4fb2-bea1-1a0ef276db92/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-11-20 17:52:51,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:52:51,162 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:52:51,239 WARN L237 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_1b234524-2e1c-4fb2-bea1-1a0ef276db92/sv-benchmarks/c/pthread-ext/25_stack_longest-2.i[31043,31056] [2022-11-20 17:52:51,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:52:51,313 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:52:51,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51 WrapperNode [2022-11-20 17:52:51,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:52:51,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:52:51,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:52:51,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:52:51,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,398 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-11-20 17:52:51,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:52:51,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:52:51,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:52:51,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:52:51,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,436 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,455 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:52:51,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:52:51,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:52:51,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:52:51,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:52:51" (1/1) ... [2022-11-20 17:52:51,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:52:51,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:52:51,516 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:52:51,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:52:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:52:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:52:51,573 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:52:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:52:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:52:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:52:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:52:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:52:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:52:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:52:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:52:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:52:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:52:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-20 17:52:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-20 17:52:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:52:51,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:52:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:52:51,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:52:51,579 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:52:51,807 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:52:51,810 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:52:52,166 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:52:52,283 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:52:52,283 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:52:52,284 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-20 17:52:52,285 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) [2022-11-20 17:52:52,289 INFO L158 Benchmark]: Toolchain (without parser) took 1640.19ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 57.3MB in the end (delta: 3.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2022-11-20 17:52:52,290 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:52:52,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.81ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 59.1MB in the end (delta: 1.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-20 17:52:52,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.82ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 56.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:52:52,292 INFO L158 Benchmark]: Boogie Preprocessor took 71.16ms. Allocated memory is still 81.8MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:52:52,292 INFO L158 Benchmark]: RCFGBuilder took 815.72ms. Allocated memory is still 81.8MB. Free memory was 54.7MB in the beginning and 57.3MB in the end (delta: -2.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-11-20 17:52:52,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 664.81ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 59.1MB in the end (delta: 1.6MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.82ms. Allocated memory is still 81.8MB. Free memory was 59.1MB in the beginning and 56.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.16ms. Allocated memory is still 81.8MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 815.72ms. Allocated memory is still 81.8MB. Free memory was 54.7MB in the beginning and 57.3MB in the end (delta: -2.5MB). Peak memory consumption was 23.8MB. 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. [2022-11-20 17:52:52,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b234524-2e1c-4fb2-bea1-1a0ef276db92/bin/ukojak-pZX7IvK2PQ/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?