./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.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_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/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_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/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_59b418e3-c3ca-414a-8e51-3a29423ebe46/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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:35,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:35,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:35,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:35,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:35,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:35,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:35,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:35,123 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:35,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:35,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:35,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:35,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:35,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:35,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:35,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:35,148 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:35,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:35,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:35,162 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:35,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:35,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:35,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:35,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:35,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:35,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:35,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:35,177 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:35,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:35,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:35,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:35,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:35,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:35,185 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:35,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:35,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:35,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:35,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:35,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:35,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:35,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:35,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:17:35,243 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:35,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:35,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:35,245 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:35,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:35,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:35,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:35,247 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:35,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:35,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:35,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:35,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:35,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:35,249 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:35,249 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:35,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:35,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:35,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:35,250 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:35,250 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:35,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:35,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:35,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:35,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:35,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:35,251 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:35,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:35,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:35,252 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_59b418e3-c3ca-414a-8e51-3a29423ebe46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2021-11-22 23:17:35,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:35,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:35,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:35,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:35,587 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:35,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-22 23:17:35,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/debbe360d/7df15a5f24844d15adccaf6d2e3ca623/FLAGa7c462503 [2021-11-22 23:17:36,347 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:36,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-22 23:17:36,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/debbe360d/7df15a5f24844d15adccaf6d2e3ca623/FLAGa7c462503 [2021-11-22 23:17:36,554 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/debbe360d/7df15a5f24844d15adccaf6d2e3ca623 [2021-11-22 23:17:36,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:36,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:36,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:36,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:36,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:36,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:36" (1/1) ... [2021-11-22 23:17:36,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c9f74d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:36, skipping insertion in model container [2021-11-22 23:17:36,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:36" (1/1) ... [2021-11-22 23:17:36,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:36,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:37,496 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_59b418e3-c3ca-414a-8e51-3a29423ebe46/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-22 23:17:37,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:37,567 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:37,677 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_59b418e3-c3ca-414a-8e51-3a29423ebe46/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-22 23:17:37,703 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:37,853 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:37,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37 WrapperNode [2021-11-22 23:17:37,854 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:37,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:37,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:37,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:37,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:37,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:37,978 INFO L137 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 280 [2021-11-22 23:17:37,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:37,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:37,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:37,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:37,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:37,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:37,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:37,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:38,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:38,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:38,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:38,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:38,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:38,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:38,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:38,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:37" (1/1) ... [2021-11-22 23:17:38,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:38,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:38,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:38,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:38,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:17:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:17:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2021-11-22 23:17:38,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2021-11-22 23:17:38,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:17:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2021-11-22 23:17:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2021-11-22 23:17:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2021-11-22 23:17:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2021-11-22 23:17:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2021-11-22 23:17:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2021-11-22 23:17:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2021-11-22 23:17:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2021-11-22 23:17:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:17:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2021-11-22 23:17:38,139 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2021-11-22 23:17:38,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:17:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2021-11-22 23:17:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2021-11-22 23:17:38,140 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2021-11-22 23:17:38,140 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2021-11-22 23:17:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2021-11-22 23:17:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2021-11-22 23:17:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2021-11-22 23:17:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2021-11-22 23:17:38,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:38,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-22 23:17:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-22 23:17:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2021-11-22 23:17:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2021-11-22 23:17:38,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:17:38,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:17:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:17:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:17:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:17:38,143 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2021-11-22 23:17:38,143 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2021-11-22 23:17:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-22 23:17:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-22 23:17:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:17:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2021-11-22 23:17:38,144 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2021-11-22 23:17:38,144 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2021-11-22 23:17:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2021-11-22 23:17:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2021-11-22 23:17:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2021-11-22 23:17:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2021-11-22 23:17:38,145 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2021-11-22 23:17:38,145 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2021-11-22 23:17:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2021-11-22 23:17:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2021-11-22 23:17:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2021-11-22 23:17:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2021-11-22 23:17:38,146 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2021-11-22 23:17:38,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:38,148 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:17:38,338 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:38,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:39,183 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:39,590 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:39,590 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:17:39,591 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2021-11-22 23:17:39,592 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 23:17:39,598 INFO L158 Benchmark]: Toolchain (without parser) took 3037.54ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 74.2MB in the beginning and 55.2MB in the end (delta: 19.0MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2021-11-22 23:17:39,599 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:39,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1295.88ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 57.2MB in the end (delta: 16.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2021-11-22 23:17:39,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.27ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 53.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 23:17:39,602 INFO L158 Benchmark]: Boogie Preprocessor took 56.50ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 49.7MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:17:39,603 INFO L158 Benchmark]: RCFGBuilder took 1557.60ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 55.2MB in the end (delta: -5.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2021-11-22 23:17:39,613 INFO L339 ainManager$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 79.7MB. Free memory was 60.4MB in the beginning and 60.3MB in the end (delta: 40.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1295.88ms. Allocated memory is still 96.5MB. Free memory was 74.0MB in the beginning and 57.2MB in the end (delta: 16.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.27ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 53.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.50ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 49.7MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1557.60ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 49.7MB in the beginning and 55.2MB in the end (delta: -5.5MB). Peak memory consumption was 20.4MB. 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. [2021-11-22 23:17:39,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/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_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/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_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/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_59b418e3-c3ca-414a-8e51-3a29423ebe46/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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:42,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:42,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:42,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:42,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:42,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:42,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:42,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:42,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:42,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:42,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:42,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:42,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:42,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:42,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:42,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:42,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:42,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:42,290 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:42,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:42,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:42,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:42,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:42,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:42,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:42,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:42,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:42,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:42,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:42,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:42,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:42,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:42,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:42,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:42,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:42,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:42,337 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:42,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:42,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:42,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:42,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:42,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-22 23:17:42,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:42,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:42,397 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:17:42,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:17:42,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:42,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:42,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:42,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:42,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:42,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:42,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:17:42,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:42,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:17:42,402 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-22 23:17:42,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-22 23:17:42,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-22 23:17:42,403 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:42,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:17:42,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:42,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:17:42,404 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:42,404 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:42,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:42,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:42,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:42,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:42,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:17:42,405 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-22 23:17:42,406 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-22 23:17:42,406 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:17:42,406 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-22 23:17:42,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-22 23:17:42,407 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_59b418e3-c3ca-414a-8e51-3a29423ebe46/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2021-11-22 23:17:42,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:42,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:42,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:42,836 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:42,837 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:42,838 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-22 23:17:42,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/cd49bea0a/62b6a6f1ffca48bc8fd16204651edc83/FLAGfbbb32bb4 [2021-11-22 23:17:43,627 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:43,628 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-22 23:17:43,650 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/cd49bea0a/62b6a6f1ffca48bc8fd16204651edc83/FLAGfbbb32bb4 [2021-11-22 23:17:43,828 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/data/cd49bea0a/62b6a6f1ffca48bc8fd16204651edc83 [2021-11-22 23:17:43,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:43,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:43,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:43,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:43,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:43,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:43" (1/1) ... [2021-11-22 23:17:43,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566dfc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:43, skipping insertion in model container [2021-11-22 23:17:43,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:43" (1/1) ... [2021-11-22 23:17:43,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:43,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:44,767 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_59b418e3-c3ca-414a-8e51-3a29423ebe46/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-22 23:17:44,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:44,810 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:44,914 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_59b418e3-c3ca-414a-8e51-3a29423ebe46/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-22 23:17:44,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:45,056 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:45,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45 WrapperNode [2021-11-22 23:17:45,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:45,058 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:45,058 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:45,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:45,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,144 INFO L137 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 272 [2021-11-22 23:17:45,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:45,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:45,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:45,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:45,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:45,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:45,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:45,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:45,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:45" (1/1) ... [2021-11-22 23:17:45,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:45,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:45,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:45,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-22 23:17:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:17:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-22 23:17:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-22 23:17:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2021-11-22 23:17:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2021-11-22 23:17:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-22 23:17:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2021-11-22 23:17:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2021-11-22 23:17:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2021-11-22 23:17:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2021-11-22 23:17:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2021-11-22 23:17:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2021-11-22 23:17:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2021-11-22 23:17:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2021-11-22 23:17:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2021-11-22 23:17:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2021-11-22 23:17:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:17:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2021-11-22 23:17:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2021-11-22 23:17:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2021-11-22 23:17:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2021-11-22 23:17:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2021-11-22 23:17:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2021-11-22 23:17:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2021-11-22 23:17:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2021-11-22 23:17:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-22 23:17:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-22 23:17:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-22 23:17:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2021-11-22 23:17:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2021-11-22 23:17:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-22 23:17:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-22 23:17:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:17:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:17:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-22 23:17:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:17:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2021-11-22 23:17:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2021-11-22 23:17:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-22 23:17:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-22 23:17:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2021-11-22 23:17:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2021-11-22 23:17:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2021-11-22 23:17:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2021-11-22 23:17:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2021-11-22 23:17:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2021-11-22 23:17:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2021-11-22 23:17:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2021-11-22 23:17:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2021-11-22 23:17:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2021-11-22 23:17:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2021-11-22 23:17:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2021-11-22 23:17:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2021-11-22 23:17:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2021-11-22 23:17:45,350 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-22 23:17:45,625 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:45,628 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:46,531 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:46,950 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:46,951 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-22 23:17:46,952 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2021-11-22 23:17:46,953 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-22 23:17:46,960 INFO L158 Benchmark]: Toolchain (without parser) took 3125.69ms. Allocated memory was 62.9MB in the beginning and 107.0MB in the end (delta: 44.0MB). Free memory was 39.8MB in the beginning and 67.6MB in the end (delta: -27.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2021-11-22 23:17:46,960 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:17:46,962 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1224.14ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 37.0MB in the end (delta: 2.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2021-11-22 23:17:46,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.40ms. Allocated memory is still 79.7MB. Free memory was 37.0MB in the beginning and 33.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 23:17:46,964 INFO L158 Benchmark]: Boogie Preprocessor took 97.15ms. Allocated memory is still 79.7MB. Free memory was 33.1MB in the beginning and 53.2MB in the end (delta: -20.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-22 23:17:46,966 INFO L158 Benchmark]: RCFGBuilder took 1713.76ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 53.2MB in the beginning and 67.6MB in the end (delta: -14.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2021-11-22 23:17:46,975 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 43.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1224.14ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 37.0MB in the end (delta: 2.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.40ms. Allocated memory is still 79.7MB. Free memory was 37.0MB in the beginning and 33.1MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.15ms. Allocated memory is still 79.7MB. Free memory was 33.1MB in the beginning and 53.2MB in the end (delta: -20.0MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1713.76ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 53.2MB in the beginning and 67.6MB in the end (delta: -14.5MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-22 23:17:47,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59b418e3-c3ca-414a-8e51-3a29423ebe46/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?