./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e --- 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-b5237d8 [2022-11-21 23:46:25,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:46:25,134 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:46:25,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:46:25,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:46:25,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:46:25,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:46:25,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:46:25,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:46:25,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:46:25,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:46:25,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:46:25,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:46:25,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:46:25,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:46:25,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:46:25,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:46:25,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:46:25,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:46:25,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:46:25,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:46:25,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:46:25,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:46:25,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:46:25,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:46:25,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:46:25,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:46:25,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:46:25,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:46:25,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:46:25,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:46:25,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:46:25,241 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:46:25,242 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:46:25,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:46:25,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:46:25,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:46:25,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:46:25,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:46:25,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:46:25,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:46:25,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:46:25,285 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:46:25,286 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:46:25,287 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:46:25,287 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:46:25,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:46:25,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:46:25,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:46:25,289 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:46:25,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:46:25,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:46:25,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:46:25,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:46:25,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:46:25,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:46:25,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:46:25,291 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:46:25,292 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:46:25,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:46:25,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:46:25,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:46:25,292 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:46:25,293 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:46:25,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:46:25,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:46:25,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:46:25,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:46:25,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:46:25,294 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:46:25,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:46:25,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:46:25,295 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_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e [2022-11-21 23:46:25,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:46:25,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:46:25,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:46:25,663 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:46:25,663 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:46:25,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-11-21 23:46:28,762 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:46:28,982 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:46:28,982 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-11-21 23:46:28,992 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data/3e940ab04/ebfcc12b0adc403a8b6f3485db43f4d8/FLAG708861b6d [2022-11-21 23:46:29,005 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data/3e940ab04/ebfcc12b0adc403a8b6f3485db43f4d8 [2022-11-21 23:46:29,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:46:29,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:46:29,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:46:29,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:46:29,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:46:29,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1254940b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29, skipping insertion in model container [2022-11-21 23:46:29,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:46:29,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:46:29,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-11-21 23:46:29,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:46:29,346 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:46:29,367 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-11-21 23:46:29,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:46:29,389 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:46:29,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29 WrapperNode [2022-11-21 23:46:29,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:46:29,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:46:29,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:46:29,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:46:29,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,431 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 157 [2022-11-21 23:46:29,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:46:29,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:46:29,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:46:29,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:46:29,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,446 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,446 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,458 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:46:29,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:46:29,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:46:29,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:46:29,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:29" (1/1) ... [2022-11-21 23:46:29,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:46:29,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:46:29,496 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:46:29,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:46:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:46:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:46:29,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:46:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:46:29,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:46:29,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:46:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:46:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:46:29,551 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:46:29,551 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:46:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:46:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:46:29,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:46:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:46:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:46:29,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:46:29,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:46:29,557 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:46:29,658 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:46:29,660 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:46:30,148 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:46:30,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:46:30,403 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:46:30,404 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L110-6 is neither atomic block end nor a sink node. [2022-11-21 23:46:30,405 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) [2022-11-21 23:46:30,409 INFO L158 Benchmark]: Toolchain (without parser) took 1398.02ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 97.9MB in the end (delta: 37.3MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2022-11-21 23:46:30,410 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:46:30,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.28ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 137.2MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 23:46:30,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.00ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 135.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:46:30,412 INFO L158 Benchmark]: Boogie Preprocessor took 29.71ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 133.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:46:30,413 INFO L158 Benchmark]: RCFGBuilder took 945.27ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 97.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-21 23:46:30,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.28ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 137.2MB in the end (delta: -2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.00ms. Allocated memory is still 169.9MB. Free memory was 137.2MB in the beginning and 135.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.71ms. Allocated memory is still 169.9MB. Free memory was 135.2MB in the beginning and 133.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 945.27ms. Allocated memory is still 169.9MB. Free memory was 133.5MB in the beginning and 97.9MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. 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. [2022-11-21 23:46:30,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/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_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e --- 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-b5237d8 [2022-11-21 23:46:33,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:46:33,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:46:33,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:46:33,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:46:33,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:46:33,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:46:33,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:46:33,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:46:33,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:46:33,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:46:33,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:46:33,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:46:33,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:46:33,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:46:33,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:46:33,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:46:33,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:46:33,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:46:33,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:46:33,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:46:33,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:46:33,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:46:33,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:46:33,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:46:33,127 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:46:33,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:46:33,129 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:46:33,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:46:33,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:46:33,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:46:33,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:46:33,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:46:33,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:46:33,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:46:33,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:46:33,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:46:33,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:46:33,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:46:33,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:46:33,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:46:33,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:46:33,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:46:33,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:46:33,201 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:46:33,201 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:46:33,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:46:33,202 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:46:33,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:46:33,202 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:46:33,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:46:33,203 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:46:33,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:46:33,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:46:33,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:46:33,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:46:33,204 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:46:33,205 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:46:33,205 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:46:33,205 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:46:33,205 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:46:33,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:46:33,205 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:46:33,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:46:33,206 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:46:33,206 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:46:33,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:46:33,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:46:33,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:46:33,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:46:33,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:46:33,207 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:46:33,207 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:46:33,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:46:33,208 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:46:33,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:46:33,208 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_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c642b478618f67be61772197bb614a61e988cb880f57faee5dd0470714f61e7e [2022-11-21 23:46:33,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:46:33,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:46:33,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:46:33,601 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:46:33,601 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:46:33,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-11-21 23:46:36,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:46:37,019 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:46:37,020 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c [2022-11-21 23:46:37,027 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data/42d338685/76da9e3378dc4b299818224119a1a141/FLAG1de839b6f [2022-11-21 23:46:37,041 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/data/42d338685/76da9e3378dc4b299818224119a1a141 [2022-11-21 23:46:37,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:46:37,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:46:37,052 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:46:37,052 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:46:37,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:46:37,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caead31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37, skipping insertion in model container [2022-11-21 23:46:37,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:46:37,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:46:37,266 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-11-21 23:46:37,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:46:37,293 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 23:46:37,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:46:37,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-11-21 23:46:37,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:46:37,324 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:46:37,345 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/sv-benchmarks/c/weaver/popl20-bad-counter-queue.wvr.c[2428,2441] [2022-11-21 23:46:37,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:46:37,372 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:46:37,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37 WrapperNode [2022-11-21 23:46:37,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:46:37,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:46:37,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:46:37,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:46:37,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,416 INFO L138 Inliner]: procedures = 28, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2022-11-21 23:46:37,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:46:37,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:46:37,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:46:37,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:46:37,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,488 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:46:37,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:46:37,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:46:37,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:46:37,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:46:37" (1/1) ... [2022-11-21 23:46:37,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:46:37,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:46:37,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:46:37,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:46:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:46:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:46:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:46:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:46:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:46:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:46:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:46:37,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:46:37,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:46:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:46:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:46:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:46:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:46:37,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:46:37,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:46:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:46:37,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:46:37,595 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:46:37,729 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:46:37,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:46:38,208 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:46:38,554 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:46:38,554 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 23:46:38,555 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L110-6 is neither atomic block end nor a sink node. [2022-11-21 23:46:38,556 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) [2022-11-21 23:46:38,563 INFO L158 Benchmark]: Toolchain (without parser) took 1512.24ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 58.1MB in the beginning and 72.0MB in the end (delta: -13.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-11-21 23:46:38,564 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:46:38,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.48ms. Allocated memory is still 79.7MB. Free memory was 57.8MB in the beginning and 43.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:46:38,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.56ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 41.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:46:38,566 INFO L158 Benchmark]: Boogie Preprocessor took 76.09ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:46:38,567 INFO L158 Benchmark]: RCFGBuilder took 1066.47ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 39.8MB in the beginning and 72.0MB in the end (delta: -32.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-21 23:46:38,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.48ms. Allocated memory is still 79.7MB. Free memory was 57.8MB in the beginning and 43.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.56ms. Allocated memory is still 79.7MB. Free memory was 43.7MB in the beginning and 41.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.09ms. Allocated memory is still 79.7MB. Free memory was 41.7MB in the beginning and 39.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1066.47ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 39.8MB in the beginning and 72.0MB in the end (delta: -32.2MB). Peak memory consumption was 12.4MB. 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:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:46:38,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_647daa8a-1f51-41b8-b942-b7453eee7bc2/bin/ukojak-jW3SillKbg/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?