./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB --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 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --- 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-dbf71c6-m [2022-10-17 16:37:29,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:29,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:29,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:29,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:29,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:29,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:29,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:29,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:29,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:29,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:29,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:29,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:29,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:29,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:29,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:29,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:29,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:29,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:29,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:29,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:29,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:29,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:29,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:29,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:29,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:29,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:29,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:29,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:29,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:29,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:29,313 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:29,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:29,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:29,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:29,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:29,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:29,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:29,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:29,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:29,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:29,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:29,346 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:29,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:29,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:29,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:29,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:29,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:29,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:29,349 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:29,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:29,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:29,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:29,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:29,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:29,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:29,350 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:29,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:29,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:29,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:29,351 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:29,351 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:29,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:29,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:29,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:29,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:29,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:29,352 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:29,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:29,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:29,353 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_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 [2022-10-17 16:37:29,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:29,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:29,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:29,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:29,663 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:29,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-10-17 16:37:29,768 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/b13996de6/d3b9b64c8a2c4c2da17cc6f2b0c7cf8b/FLAG514194eae [2022-10-17 16:37:30,211 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:30,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-10-17 16:37:30,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/b13996de6/d3b9b64c8a2c4c2da17cc6f2b0c7cf8b/FLAG514194eae [2022-10-17 16:37:30,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/b13996de6/d3b9b64c8a2c4c2da17cc6f2b0c7cf8b [2022-10-17 16:37:30,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:30,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:30,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:30,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:30,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:30,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:30,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788f4ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30, skipping insertion in model container [2022-10-17 16:37:30,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:30,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:30,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:30,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-10-17 16:37:30,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:30,901 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:30,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-10-17 16:37:30,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:30,950 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:30,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30 WrapperNode [2022-10-17 16:37:30,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:30,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:30,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:30,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:30,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:30,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:30,992 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 117 [2022-10-17 16:37:30,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:30,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:30,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:30,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:31,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,050 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,054 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:31,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:31,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:31,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:31,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:31,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:31,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:31,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:37:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:37:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:37:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:37:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:37:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:37:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:37:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:37:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:37:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:31,173 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:37:31,339 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:31,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:31,669 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:31,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:31,798 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:37:31,799 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L104 is neither atomic block end nor a sink node. [2022-10-17 16:37:31,800 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) [2022-10-17 16:37:31,805 INFO L158 Benchmark]: Toolchain (without parser) took 1184.05ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 71.1MB in the end (delta: 17.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:31,806 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:31,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.00ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 96.8MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:37:31,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 125.8MB. Free memory was 96.8MB in the beginning and 95.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:31,809 INFO L158 Benchmark]: Boogie Preprocessor took 57.67ms. Allocated memory is still 125.8MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:31,810 INFO L158 Benchmark]: RCFGBuilder took 748.61ms. Allocated memory is still 125.8MB. Free memory was 93.5MB in the beginning and 71.1MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:37:31,813 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 77.6MB. Free memory was 32.5MB in the beginning and 32.4MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.00ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 96.8MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.90ms. Allocated memory is still 125.8MB. Free memory was 96.8MB in the beginning and 95.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.67ms. Allocated memory is still 125.8MB. Free memory was 95.0MB in the beginning and 93.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.61ms. Allocated memory is still 125.8MB. Free memory was 93.5MB in the beginning and 71.1MB in the end (delta: 22.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:37:31,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB --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 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 --- 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-dbf71c6-m [2022-10-17 16:37:34,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:34,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:34,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:34,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:34,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:34,387 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:34,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:34,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:34,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:34,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:34,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:34,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:34,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:34,417 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:34,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:34,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:34,422 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:34,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:34,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:34,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:34,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:34,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:34,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:34,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:34,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:34,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:34,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:34,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:34,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:34,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:34,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:34,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:34,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:34,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:34,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:34,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:34,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:34,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:34,470 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:34,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:34,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:37:34,519 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:34,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:34,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:34,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:34,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:34,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:34,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:34,525 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:34,525 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:34,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:34,526 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:34,527 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:34,527 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:34,527 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:37:34,528 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:37:34,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:37:34,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:34,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:34,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:34,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:34,529 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:34,530 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:34,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:34,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:34,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:34,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:34,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:34,532 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:37:34,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:37:34,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:34,533 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:37:34,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:37:34,533 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_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c615a04683f0f8050243ec529c03e20511a5c93f5e823175650f11e9fefc562 [2022-10-17 16:37:34,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:34,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:34,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:34,999 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:34,999 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:35,001 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-10-17 16:37:35,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/a0e41b72e/729acf47bb3c4d88996dffd04229ff19/FLAG88510ce93 [2022-10-17 16:37:35,583 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:35,584 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c [2022-10-17 16:37:35,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/a0e41b72e/729acf47bb3c4d88996dffd04229ff19/FLAG88510ce93 [2022-10-17 16:37:35,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/data/a0e41b72e/729acf47bb3c4d88996dffd04229ff19 [2022-10-17 16:37:35,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:35,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:35,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:35,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:35,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:35,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:35" (1/1) ... [2022-10-17 16:37:35,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d3dd92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:35, skipping insertion in model container [2022-10-17 16:37:35,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:35" (1/1) ... [2022-10-17 16:37:35,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:35,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:36,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-10-17 16:37:36,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:36,196 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:37:36,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:36,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-10-17 16:37:36,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:36,273 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:36,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/sv-benchmarks/c/weaver/popl20-bad-counter-queue2.wvr.c[2271,2284] [2022-10-17 16:37:36,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:36,322 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:36,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36 WrapperNode [2022-10-17 16:37:36,323 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:36,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:36,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:36,325 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:36,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,372 INFO L138 Inliner]: procedures = 28, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2022-10-17 16:37:36,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:36,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:36,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:36,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:36,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,408 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:36,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:36,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:36,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:36,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:36" (1/1) ... [2022-10-17 16:37:36,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:36,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:36,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:36,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:37:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:37:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:37:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:37:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:37:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:37:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:37:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:37:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:37:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:37:36,485 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:37:36,590 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:36,592 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:36,967 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:37,197 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:37,197 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:37:37,198 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L104 is neither atomic block end nor a sink node. [2022-10-17 16:37:37,199 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) [2022-10-17 16:37:37,207 INFO L158 Benchmark]: Toolchain (without parser) took 1252.12ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.4MB in the beginning and 37.2MB in the end (delta: -1.8MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2022-10-17 16:37:37,209 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:37,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.42ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 39.6MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:37:37,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.80ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:37,212 INFO L158 Benchmark]: Boogie Preprocessor took 39.38ms. Allocated memory is still 58.7MB. Free memory was 37.6MB in the beginning and 35.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:37,213 INFO L158 Benchmark]: RCFGBuilder took 790.39ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.9MB in the beginning and 37.2MB in the end (delta: -1.3MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-10-17 16:37:37,222 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 58.7MB. Free memory was 38.7MB in the beginning and 38.6MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.42ms. Allocated memory is still 58.7MB. Free memory was 35.1MB in the beginning and 39.6MB in the end (delta: -4.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.80ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.38ms. Allocated memory is still 58.7MB. Free memory was 37.6MB in the beginning and 35.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 790.39ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.9MB in the beginning and 37.2MB in the end (delta: -1.3MB). Peak memory consumption was 16.6MB. 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. [2022-10-17 16:37:37,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dca016fc-971f-4bc0-bb43-ad2339852406/bin/ukojak-92XMlrwhuB/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?