./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --- 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 16:37:05,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:05,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:05,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:05,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:05,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:05,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:05,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:05,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:05,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:05,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:05,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:05,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:05,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:05,368 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:05,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:05,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:05,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:05,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:05,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:05,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:05,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:05,392 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:05,393 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:05,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:05,404 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:05,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:05,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:05,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:05,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:05,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:05,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:05,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:05,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:05,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:05,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:05,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:05,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:05,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:05,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:05,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:05,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:05,483 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:05,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:05,485 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:05,485 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:05,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:05,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:05,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:05,486 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:05,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:05,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:05,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:05,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:05,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:05,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:05,488 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:05,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:05,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:05,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:05,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:05,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:05,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:05,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:05,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:05,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:05,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:05,490 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:05,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:05,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:05,492 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-10-17 16:37:05,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:05,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:05,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:05,801 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:05,803 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:05,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-10-17 16:37:05,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/744a4d7bf/8b96342cb23542cd999bab9bae32b91b/FLAGf76089054 [2022-10-17 16:37:06,443 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:06,444 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-10-17 16:37:06,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/744a4d7bf/8b96342cb23542cd999bab9bae32b91b/FLAGf76089054 [2022-10-17 16:37:06,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/744a4d7bf/8b96342cb23542cd999bab9bae32b91b [2022-10-17 16:37:06,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:06,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:06,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:06,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:06,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:06,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:06" (1/1) ... [2022-10-17 16:37:06,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252d134c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:06, skipping insertion in model container [2022-10-17 16:37:06,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:06" (1/1) ... [2022-10-17 16:37:06,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:06,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:07,025 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-10-17 16:37:07,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:07,042 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:07,066 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-10-17 16:37:07,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:07,085 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:07,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07 WrapperNode [2022-10-17 16:37:07,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:07,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:07,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:07,088 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:07,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,126 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2022-10-17 16:37:07,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:07,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:07,128 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:07,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:07,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,153 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,157 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:07,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:07,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:07,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:07,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:07" (1/1) ... [2022-10-17 16:37:07,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:07,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:07,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:07,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:07,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:37:07,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:37:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:37:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:37:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:37:07,279 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:37:07,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:37:07,280 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:37:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:37:07,280 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:37:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:37:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:07,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:07,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:07,283 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 16:37:07,387 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:07,389 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:07,682 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:07,820 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:07,821 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:37:07,821 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-10-17 16:37:07,822 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 16:37:07,825 INFO L158 Benchmark]: Toolchain (without parser) took 1051.74ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 43.9MB in the end (delta: 28.4MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,826 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:07,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.90ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 67.9MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.57ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:07,828 INFO L158 Benchmark]: Boogie Preprocessor took 29.86ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 64.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,829 INFO L158 Benchmark]: RCFGBuilder took 666.00ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 43.9MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-10-17 16:37:07,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory is still 65.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.90ms. Allocated memory is still 94.4MB. Free memory was 72.0MB in the beginning and 67.9MB in the end (delta: 4.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.57ms. Allocated memory is still 94.4MB. Free memory was 67.9MB in the beginning and 66.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.86ms. Allocated memory is still 94.4MB. Free memory was 66.3MB in the beginning and 64.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.00ms. Allocated memory is still 94.4MB. Free memory was 64.6MB in the beginning and 43.9MB in the end (delta: 20.6MB). 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 16:37:07,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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 c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 --- 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 16:37:10,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:10,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:10,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:10,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:10,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:10,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:10,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:10,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:10,439 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:10,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:10,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:10,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:10,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:10,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:10,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:10,449 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:10,450 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:10,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:10,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:10,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:10,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:10,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:10,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:10,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:10,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:10,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:10,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:10,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:10,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:10,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:10,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:10,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:10,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:10,485 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:10,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:10,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:10,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:10,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:10,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:10,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:10,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:37:10,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:10,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:10,543 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:10,543 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:10,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:10,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:10,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:10,546 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:10,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:10,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:10,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:10,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:10,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:10,548 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:37:10,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:37:10,549 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:37:10,549 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:10,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:10,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:10,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:10,550 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:10,551 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:10,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:10,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:10,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:10,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:10,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:10,552 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:37:10,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:37:10,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:10,553 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:37:10,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:37:10,554 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c80601716e9c0111d78d12f0a88108c91b0aa7215f8e775685e33490f22c8502 [2022-10-17 16:37:10,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:11,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:11,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:11,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:11,006 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:11,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-10-17 16:37:11,082 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/936538dd4/3d75beceb91a49e284c881928ada0cff/FLAG0b39220cf [2022-10-17 16:37:11,635 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:11,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c [2022-10-17 16:37:11,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/936538dd4/3d75beceb91a49e284c881928ada0cff/FLAG0b39220cf [2022-10-17 16:37:11,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/data/936538dd4/3d75beceb91a49e284c881928ada0cff [2022-10-17 16:37:11,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:11,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:11,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:11,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:11,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:11,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:11" (1/1) ... [2022-10-17 16:37:11,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341cc1d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:11, skipping insertion in model container [2022-10-17 16:37:11,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:11" (1/1) ... [2022-10-17 16:37:11,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:12,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:12,184 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-10-17 16:37:12,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:12,217 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:37:12,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:12,260 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-10-17 16:37:12,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:12,287 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:12,332 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_f5db0183-5ae0-47eb-985c-4facea7bc8cd/sv-benchmarks/c/weaver/popl20-more-queue-add-2-nl.wvr.c[2870,2883] [2022-10-17 16:37:12,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:12,373 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:12,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12 WrapperNode [2022-10-17 16:37:12,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:12,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:12,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:12,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:12,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,448 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2022-10-17 16:37:12,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:12,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:12,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:12,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:12,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,518 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:12,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:12,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:12,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:12,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:12" (1/1) ... [2022-10-17 16:37:12,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:12,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:12,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:12,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:37:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:37:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:37:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:37:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:37:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:37:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:37:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:37:12,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:37:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:37:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:37:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:37:12,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:12,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:37:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:37:12,620 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 16:37:12,755 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:12,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:13,206 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:13,391 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:13,392 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:37:13,393 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2022-10-17 16:37:13,394 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 16:37:13,401 INFO L158 Benchmark]: Toolchain (without parser) took 1422.55ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 41.8MB in the beginning and 46.0MB in the end (delta: -4.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-10-17 16:37:13,403 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:13,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.23ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 42.5MB in the end (delta: -921.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:37:13,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.13ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 40.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:37:13,406 INFO L158 Benchmark]: Boogie Preprocessor took 78.30ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:37:13,407 INFO L158 Benchmark]: RCFGBuilder took 869.01ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.1MB in the beginning and 46.0MB in the end (delta: -6.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-10-17 16:37:13,417 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.23ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 42.5MB in the end (delta: -921.0kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.13ms. Allocated memory is still 62.9MB. Free memory was 42.5MB in the beginning and 40.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.30ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 39.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.01ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 39.1MB in the beginning and 46.0MB in the end (delta: -6.9MB). Peak memory consumption was 20.8MB. 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 16:37:13,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5db0183-5ae0-47eb-985c-4facea7bc8cd/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?