./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 07:56:54,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:56:54,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:56:54,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:56:54,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:56:54,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:56:54,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:56:54,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:56:54,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:56:54,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:56:54,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:56:54,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:56:54,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:56:54,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:56:54,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:56:54,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:56:54,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:56:54,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:56:54,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:56:54,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:56:54,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:56:54,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:56:54,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:56:54,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:56:54,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:56:54,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:56:54,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:56:54,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:56:54,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:56:54,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:56:54,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:56:54,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:56:54,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:56:54,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:56:54,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:56:54,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:56:54,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:56:54,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:56:54,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:56:54,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:56:54,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:56:54,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-16 07:56:54,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:56:54,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:56:54,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:56:54,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:56:54,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:56:54,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:56:54,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:56:54,421 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:56:54,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 07:56:54,421 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:56:54,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:56:54,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:56:54,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:56:54,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:56:54,423 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:56:54,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:56:54,425 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:56:54,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:56:54,426 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:56:54,426 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:56:54,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:56:54,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:56:54,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:56:54,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:56:54,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:56:54,428 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 07:56:54,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 07:56:54,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:56:54,430 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_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-11-16 07:56:54,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:56:54,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:56:54,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:56:54,764 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:56:54,766 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:56:54,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-16 07:56:54,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/070e2af3d/157422712a6942f3bb6f58dc28997c87/FLAG556561688 [2022-11-16 07:56:55,465 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:56:55,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-16 07:56:55,494 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/070e2af3d/157422712a6942f3bb6f58dc28997c87/FLAG556561688 [2022-11-16 07:56:55,722 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/070e2af3d/157422712a6942f3bb6f58dc28997c87 [2022-11-16 07:56:55,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:56:55,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:56:55,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:56:55,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:56:55,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:56:55,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:56:55" (1/1) ... [2022-11-16 07:56:55,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2ce2ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:55, skipping insertion in model container [2022-11-16 07:56:55,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:56:55" (1/1) ... [2022-11-16 07:56:55,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:56:55,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:56:56,654 WARN L229 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_f786a237-e635-4547-9c80-d23594f49eb3/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-16 07:56:56,677 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:56:56,687 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:56:56,799 WARN L229 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_f786a237-e635-4547-9c80-d23594f49eb3/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-16 07:56:56,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:56:56,935 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:56:56,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56 WrapperNode [2022-11-16 07:56:56,936 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:56:56,937 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:56:56,937 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:56:56,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:56:56,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:56,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,044 INFO L138 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 280 [2022-11-16 07:56:57,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:56:57,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:56:57,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:56:57,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:56:57,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:56:57,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:56:57,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:56:57,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:56:57,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:56:56" (1/1) ... [2022-11-16 07:56:57,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:56:57,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:56:57,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:56:57,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:56:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 07:56:57,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:56:57,217 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2022-11-16 07:56:57,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2022-11-16 07:56:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 07:56:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2022-11-16 07:56:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2022-11-16 07:56:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2022-11-16 07:56:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2022-11-16 07:56:57,218 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2022-11-16 07:56:57,218 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2022-11-16 07:56:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2022-11-16 07:56:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2022-11-16 07:56:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 07:56:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2022-11-16 07:56:57,219 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2022-11-16 07:56:57,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:56:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 07:56:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2022-11-16 07:56:57,220 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2022-11-16 07:56:57,220 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-11-16 07:56:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-11-16 07:56:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-11-16 07:56:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-11-16 07:56:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-11-16 07:56:57,221 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-11-16 07:56:57,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:56:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:56:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-11-16 07:56:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-11-16 07:56:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2022-11-16 07:56:57,222 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2022-11-16 07:56:57,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 07:56:57,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 07:56:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:56:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 07:56:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 07:56:57,223 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2022-11-16 07:56:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2022-11-16 07:56:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-11-16 07:56:57,224 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-11-16 07:56:57,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 07:56:57,225 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-11-16 07:56:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-11-16 07:56:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-11-16 07:56:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-11-16 07:56:57,226 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-11-16 07:56:57,226 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-11-16 07:56:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2022-11-16 07:56:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2022-11-16 07:56:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-11-16 07:56:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-11-16 07:56:57,227 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2022-11-16 07:56:57,227 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2022-11-16 07:56:57,228 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2022-11-16 07:56:57,228 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2022-11-16 07:56:57,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 07:56:57,231 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 07:56:57,527 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:56:57,530 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:56:58,391 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:56:58,846 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:56:58,847 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 07:56:58,848 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2022-11-16 07:56:58,849 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 07:56:58,859 INFO L158 Benchmark]: Toolchain (without parser) took 3130.32ms. Allocated memory is still 132.1MB. Free memory was 94.1MB in the beginning and 72.6MB in the end (delta: 21.5MB). Peak memory consumption was 53.1MB. Max. memory is 16.1GB. [2022-11-16 07:56:58,859 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:56:58,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1208.14ms. Allocated memory is still 132.1MB. Free memory was 93.9MB in the beginning and 70.7MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 07:56:58,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.25ms. Allocated memory is still 132.1MB. Free memory was 70.7MB in the beginning and 67.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 07:56:58,863 INFO L158 Benchmark]: Boogie Preprocessor took 65.53ms. Allocated memory is still 132.1MB. Free memory was 67.1MB in the beginning and 62.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 07:56:58,864 INFO L158 Benchmark]: RCFGBuilder took 1742.56ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 72.6MB in the end (delta: -9.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-11-16 07:56:58,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1208.14ms. Allocated memory is still 132.1MB. Free memory was 93.9MB in the beginning and 70.7MB in the end (delta: 23.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.25ms. Allocated memory is still 132.1MB. Free memory was 70.7MB in the beginning and 67.1MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.53ms. Allocated memory is still 132.1MB. Free memory was 67.1MB in the beginning and 62.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1742.56ms. Allocated memory is still 132.1MB. Free memory was 62.9MB in the beginning and 72.6MB in the end (delta: -9.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:56:58,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 07:57:01,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 07:57:01,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 07:57:01,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 07:57:01,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 07:57:01,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 07:57:01,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 07:57:01,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 07:57:01,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 07:57:01,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 07:57:01,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 07:57:01,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 07:57:01,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 07:57:01,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 07:57:01,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 07:57:01,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 07:57:01,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 07:57:01,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 07:57:01,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 07:57:01,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 07:57:01,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 07:57:01,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 07:57:01,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 07:57:01,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 07:57:01,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 07:57:01,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 07:57:01,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 07:57:01,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 07:57:01,353 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 07:57:01,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 07:57:01,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 07:57:01,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 07:57:01,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 07:57:01,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 07:57:01,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 07:57:01,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 07:57:01,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 07:57:01,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 07:57:01,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 07:57:01,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 07:57:01,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 07:57:01,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-16 07:57:01,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 07:57:01,405 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 07:57:01,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 07:57:01,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-16 07:57:01,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 07:57:01,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 07:57:01,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 07:57:01,408 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 07:57:01,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 07:57:01,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 07:57:01,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 07:57:01,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 07:57:01,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 07:57:01,409 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 07:57:01,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 07:57:01,409 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 07:57:01,410 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 07:57:01,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 07:57:01,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 07:57:01,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 07:57:01,410 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 07:57:01,411 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 07:57:01,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 07:57:01,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:57:01,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 07:57:01,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 07:57:01,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 07:57:01,412 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 07:57:01,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 07:57:01,413 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 07:57:01,413 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-16 07:57:01,413 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 07:57:01,413 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_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2022-11-16 07:57:01,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 07:57:01,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 07:57:01,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 07:57:01,793 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 07:57:01,794 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 07:57:01,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-16 07:57:01,876 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/3244e3244/e168f6776be547aca9ba842155b8f7a2/FLAGccaf661a4 [2022-11-16 07:57:02,519 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 07:57:02,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2022-11-16 07:57:02,555 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/3244e3244/e168f6776be547aca9ba842155b8f7a2/FLAGccaf661a4 [2022-11-16 07:57:02,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/data/3244e3244/e168f6776be547aca9ba842155b8f7a2 [2022-11-16 07:57:02,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 07:57:02,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 07:57:02,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 07:57:02,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 07:57:02,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 07:57:02,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:02" (1/1) ... [2022-11-16 07:57:02,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f7bd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:02, skipping insertion in model container [2022-11-16 07:57:02,774 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:02" (1/1) ... [2022-11-16 07:57:02,784 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 07:57:02,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 07:57:03,721 WARN L229 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_f786a237-e635-4547-9c80-d23594f49eb3/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-16 07:57:03,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:57:03,786 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 07:57:03,887 WARN L229 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_f786a237-e635-4547-9c80-d23594f49eb3/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2022-11-16 07:57:03,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 07:57:04,030 INFO L208 MainTranslator]: Completed translation [2022-11-16 07:57:04,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04 WrapperNode [2022-11-16 07:57:04,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 07:57:04,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 07:57:04,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 07:57:04,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 07:57:04,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,100 INFO L138 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 272 [2022-11-16 07:57:04,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 07:57:04,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 07:57:04,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 07:57:04,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 07:57:04,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,174 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 07:57:04,185 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 07:57:04,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 07:57:04,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 07:57:04,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:04" (1/1) ... [2022-11-16 07:57:04,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 07:57:04,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 07:57:04,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 07:57:04,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 07:57:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 07:57:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 07:57:04,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 07:57:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-16 07:57:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2022-11-16 07:57:04,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2022-11-16 07:57:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 07:57:04,277 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2022-11-16 07:57:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2022-11-16 07:57:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2022-11-16 07:57:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2022-11-16 07:57:04,278 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2022-11-16 07:57:04,278 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2022-11-16 07:57:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2022-11-16 07:57:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2022-11-16 07:57:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2022-11-16 07:57:04,279 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2022-11-16 07:57:04,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 07:57:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 07:57:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2022-11-16 07:57:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2022-11-16 07:57:04,280 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2022-11-16 07:57:04,280 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2022-11-16 07:57:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2022-11-16 07:57:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2022-11-16 07:57:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2022-11-16 07:57:04,281 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2022-11-16 07:57:04,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 07:57:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 07:57:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 07:57:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2022-11-16 07:57:04,282 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2022-11-16 07:57:04,282 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2022-11-16 07:57:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2022-11-16 07:57:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 07:57:04,283 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 07:57:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 07:57:04,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 07:57:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 07:57:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 07:57:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2022-11-16 07:57:04,284 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2022-11-16 07:57:04,284 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2022-11-16 07:57:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2022-11-16 07:57:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2022-11-16 07:57:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2022-11-16 07:57:04,285 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2022-11-16 07:57:04,285 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2022-11-16 07:57:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2022-11-16 07:57:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2022-11-16 07:57:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2022-11-16 07:57:04,286 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2022-11-16 07:57:04,286 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2022-11-16 07:57:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2022-11-16 07:57:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2022-11-16 07:57:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2022-11-16 07:57:04,287 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2022-11-16 07:57:04,287 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2022-11-16 07:57:04,291 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 07:57:04,605 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 07:57:04,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 07:57:05,721 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 07:57:06,159 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 07:57:06,159 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 07:57:06,160 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2022-11-16 07:57:06,160 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 07:57:06,168 INFO L158 Benchmark]: Toolchain (without parser) took 3397.88ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 50.8MB in the beginning and 53.8MB in the end (delta: -3.0MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2022-11-16 07:57:06,169 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 07:57:06,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1262.59ms. Allocated memory is still 71.3MB. Free memory was 50.6MB in the beginning and 36.8MB in the end (delta: 13.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-16 07:57:06,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.71ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 32.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 07:57:06,172 INFO L158 Benchmark]: Boogie Preprocessor took 82.62ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 32.9MB in the beginning and 85.1MB in the end (delta: -52.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-11-16 07:57:06,173 INFO L158 Benchmark]: RCFGBuilder took 1980.25ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 53.8MB in the end (delta: 31.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2022-11-16 07:57:06,182 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 52.1MB in the beginning and 52.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1262.59ms. Allocated memory is still 71.3MB. Free memory was 50.6MB in the beginning and 36.8MB in the end (delta: 13.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.71ms. Allocated memory is still 71.3MB. Free memory was 36.8MB in the beginning and 32.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.62ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 32.9MB in the beginning and 85.1MB in the end (delta: -52.2MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1980.25ms. Allocated memory is still 109.1MB. Free memory was 85.1MB in the beginning and 53.8MB in the end (delta: 31.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 07:57:06,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f786a237-e635-4547-9c80-d23594f49eb3/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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?