./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:43,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:43,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:43,613 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:43,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:43,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:43,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:43,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:43,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:43,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:43,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:43,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:43,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:43,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:43,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:43,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:43,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:43,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:43,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:43,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:43,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:43,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:43,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:43,675 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:43,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:43,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:43,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:43,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:43,689 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:43,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:43,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:43,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:43,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:43,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:43,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:43,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:43,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:43,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:43,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:43,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:43,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:43,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:44:43,747 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:43,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:43,749 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:44:43,749 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:44:43,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:43,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:43,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:43,751 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:43,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:44:43,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:43,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:43,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:44:43,760 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:43,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:44:43,760 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:43,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:44:43,760 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:43,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:44:43,761 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:43,761 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:43,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:43,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:43,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:43,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:43,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:44:43,763 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:44:43,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:44:43,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:44:43,763 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_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2021-11-23 01:44:44,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:44,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:44,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:44,144 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:44,145 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:44,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-11-23 01:44:44,238 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/e538543e2/43f9d0558fb0463a9fe118b450bf335e/FLAG52cf2e3aa [2021-11-23 01:44:44,838 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:44,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-11-23 01:44:44,860 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/e538543e2/43f9d0558fb0463a9fe118b450bf335e/FLAG52cf2e3aa [2021-11-23 01:44:45,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/e538543e2/43f9d0558fb0463a9fe118b450bf335e [2021-11-23 01:44:45,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:45,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:45,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:45,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:45,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:45,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474cf4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45, skipping insertion in model container [2021-11-23 01:44:45,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:45,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:45,648 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_15ea7e23-7768-413f-a14e-0d487b09f37f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-11-23 01:44:45,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:45,692 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:45,767 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_15ea7e23-7768-413f-a14e-0d487b09f37f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-11-23 01:44:45,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:45,840 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:45,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45 WrapperNode [2021-11-23 01:44:45,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:45,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:45,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:45,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:45,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,927 INFO L137 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2021-11-23 01:44:45,928 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:45,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:45,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:45,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:45,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:45,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:46,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:46,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:46,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:46,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:46,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:45" (1/1) ... [2021-11-23 01:44:46,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:46,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:46,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:46,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:44:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:44:46,105 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:44:46,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:44:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:44:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:44:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:44:46,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:44:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:44:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:46,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:44:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:44:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:44:46,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:46,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:46,109 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:44:46,247 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:46,249 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:46,570 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:46,661 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:46,661 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:44:46,662 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:44:46,664 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:304) 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) [2021-11-23 01:44:46,673 INFO L158 Benchmark]: Toolchain (without parser) took 1562.17ms. Allocated memory is still 115.3MB. Free memory was 78.0MB in the beginning and 54.8MB in the end (delta: 23.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-23 01:44:46,674 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:46,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 729.60ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 79.9MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:44:46,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.15ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:46,677 INFO L158 Benchmark]: Boogie Preprocessor took 71.01ms. Allocated memory is still 115.3MB. Free memory was 77.2MB in the beginning and 75.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:46,678 INFO L158 Benchmark]: RCFGBuilder took 670.10ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 54.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:44:46,682 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 83.9MB. Free memory was 54.8MB in the beginning and 54.8MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 729.60ms. Allocated memory is still 115.3MB. Free memory was 77.7MB in the beginning and 79.9MB in the end (delta: -2.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.15ms. Allocated memory is still 115.3MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.01ms. Allocated memory is still 115.3MB. Free memory was 77.2MB in the beginning and 75.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 670.10ms. Allocated memory is still 115.3MB. Free memory was 75.7MB in the beginning and 54.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:44:46,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:49,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:49,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:49,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:49,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:49,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:49,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:49,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:49,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:49,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:49,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:49,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:49,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:49,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:49,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:49,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:49,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:49,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:49,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:49,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:49,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:49,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:49,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:49,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:49,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:49,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:49,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:49,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:49,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:49,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:49,451 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:49,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:49,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:49,454 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:49,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:49,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:49,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:49,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:49,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:49,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:49,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:49,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:44:49,489 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:49,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:49,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:44:49,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:44:49,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:49,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:49,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:49,492 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:49,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:49,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:49,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:44:49,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:49,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:44:49,494 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:44:49,494 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:44:49,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:44:49,494 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:49,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:44:49,495 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:49,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:44:49,495 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:49,495 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:49,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:49,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:49,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:49,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:49,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:44:49,497 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:44:49,497 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:44:49,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:44:49,497 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:44:49,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:44:49,497 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_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c0827ac193c1e2b03d5ccf1e60b62c7d6ff1b4feade2c409a6c7ca2cebf9412 [2021-11-23 01:44:49,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:49,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:49,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:49,890 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:49,891 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:49,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-11-23 01:44:49,977 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/cec986eaf/1fe1934fb5f14c4aa88e79055112acbc/FLAG64949345d [2021-11-23 01:44:50,692 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:50,692 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i [2021-11-23 01:44:50,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/cec986eaf/1fe1934fb5f14c4aa88e79055112acbc/FLAG64949345d [2021-11-23 01:44:50,935 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/data/cec986eaf/1fe1934fb5f14c4aa88e79055112acbc [2021-11-23 01:44:50,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:50,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:50,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:50,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:50,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:50,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b805f53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:50, skipping insertion in model container [2021-11-23 01:44:50,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:50" (1/1) ... [2021-11-23 01:44:50,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:50,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:51,511 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_15ea7e23-7768-413f-a14e-0d487b09f37f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-11-23 01:44:51,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:51,547 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:51,624 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_15ea7e23-7768-413f-a14e-0d487b09f37f/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-1.i[31167,31180] [2021-11-23 01:44:51,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:51,691 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:51,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51 WrapperNode [2021-11-23 01:44:51,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:51,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:51,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:51,694 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:51,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,775 INFO L137 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2021-11-23 01:44:51,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:51,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:51,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:51,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:51,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,813 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:51,835 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:51,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:51,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:51,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:51" (1/1) ... [2021-11-23 01:44:51,844 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:51,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:51,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:51,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:44:51,921 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:44:51,922 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:44:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:44:51,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:44:51,922 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:44:51,923 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:44:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:44:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:51,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:44:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:44:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 01:44:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:44:51,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:44:51,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:51,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:51,926 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:44:52,142 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:52,145 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:52,526 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:52,635 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:52,636 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:44:52,637 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:44:52,638 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:304) 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) [2021-11-23 01:44:52,642 INFO L158 Benchmark]: Toolchain (without parser) took 1702.24ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 57.3MB in the beginning and 65.4MB in the end (delta: -8.1MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2021-11-23 01:44:52,643 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:52,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.21ms. Allocated memory is still 75.5MB. Free memory was 57.1MB in the beginning and 46.9MB in the end (delta: 10.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-11-23 01:44:52,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.99ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 44.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:52,646 INFO L158 Benchmark]: Boogie Preprocessor took 57.83ms. Allocated memory is still 75.5MB. Free memory was 44.4MB in the beginning and 42.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:52,647 INFO L158 Benchmark]: RCFGBuilder took 805.14ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 42.4MB in the beginning and 65.4MB in the end (delta: -23.0MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2021-11-23 01:44:52,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.21ms. Allocated memory is still 75.5MB. Free memory was 57.1MB in the beginning and 46.9MB in the end (delta: 10.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.99ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 44.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.83ms. Allocated memory is still 75.5MB. Free memory was 44.4MB in the beginning and 42.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.14ms. Allocated memory was 75.5MB in the beginning and 98.6MB in the end (delta: 23.1MB). Free memory was 42.4MB in the beginning and 65.4MB in the end (delta: -23.0MB). Peak memory consumption was 12.5MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:44:52,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ea7e23-7768-413f-a14e-0d487b09f37f/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?