./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 --- 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 17:00:51,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:51,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:51,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:51,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:51,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:51,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:51,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:51,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:51,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:51,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:51,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:51,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:51,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:51,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:51,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:51,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:51,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:51,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:51,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:51,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:51,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:51,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:51,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:51,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:51,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:51,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:51,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:51,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:51,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:51,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:51,661 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:51,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:51,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:51,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:51,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:51,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:51,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:51,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:51,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:51,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:51,672 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:51,736 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:51,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:51,738 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:51,738 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:51,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:51,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:51,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:51,740 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:51,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:51,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:51,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:51,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:51,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:51,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:51,742 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:51,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:51,743 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:51,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:51,743 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:51,743 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:51,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:51,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:51,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:51,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:51,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:51,745 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:51,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:51,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:51,748 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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2022-10-17 17:00:52,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:52,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:52,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:52,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:52,096 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:52,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-10-17 17:00:52,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/6441d2dd3/0eec14fe067b458da434e1c3bae0d8ab/FLAG3ad884839 [2022-10-17 17:00:52,664 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:52,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-10-17 17:00:52,679 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/6441d2dd3/0eec14fe067b458da434e1c3bae0d8ab/FLAG3ad884839 [2022-10-17 17:00:53,040 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/6441d2dd3/0eec14fe067b458da434e1c3bae0d8ab [2022-10-17 17:00:53,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:53,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:53,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:53,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:53,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:53,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c89f228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53, skipping insertion in model container [2022-10-17 17:00:53,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:53,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:53,275 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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-10-17 17:00:53,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:53,291 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:53,316 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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-10-17 17:00:53,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:53,345 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:53,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53 WrapperNode [2022-10-17 17:00:53,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:53,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:53,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:53,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:53,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,395 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-10-17 17:00:53,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:53,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:53,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:53,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:53,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,445 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:53,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:53,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:53,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:53,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:53,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:53,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 17:00:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 17:00:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 17:00:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 17:00:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:00:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:00:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:00:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:00:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:00:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:00:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:53,597 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 17:00:53,727 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:53,729 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:54,030 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:54,172 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:54,172 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:00:54,174 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-10-17 17:00:54,175 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 17:00:54,180 INFO L158 Benchmark]: Toolchain (without parser) took 1134.72ms. Allocated memory is still 88.1MB. Free memory was 62.4MB in the beginning and 37.6MB in the end (delta: 24.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-10-17 17:00:54,181 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:54,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.98ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 60.6MB in the end (delta: 1.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 17:00:54,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.20ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:54,184 INFO L158 Benchmark]: Boogie Preprocessor took 58.89ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 17:00:54,185 INFO L158 Benchmark]: RCFGBuilder took 721.33ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 37.8MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 17:00:54,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 57.5MB in the beginning and 57.4MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.98ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 60.6MB in the end (delta: 1.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.20ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.89ms. Allocated memory is still 88.1MB. Free memory was 58.8MB in the beginning and 57.4MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 721.33ms. Allocated memory is still 88.1MB. Free memory was 57.4MB in the beginning and 37.8MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:00:54,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 --- 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 17:00:56,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:56,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:56,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:56,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:56,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:56,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:56,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:56,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:56,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:56,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:56,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:56,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:56,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:56,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:56,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:56,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:56,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:56,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:56,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:56,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:56,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:56,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:56,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:56,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:56,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:56,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:56,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:56,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:56,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:56,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:56,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:56,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:56,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:56,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:56,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:56,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:56,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:56,770 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:56,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:56,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:56,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:00:56,823 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:56,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:56,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:56,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:56,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:56,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:56,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:56,827 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:56,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:56,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:56,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:56,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:56,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:56,828 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:00:56,829 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:00:56,829 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:00:56,829 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:56,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:56,829 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:56,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:56,830 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:56,830 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:56,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:56,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:56,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:56,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:56,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:56,832 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:00:56,832 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:00:56,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:56,833 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:00:56,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:00:56,833 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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2022-10-17 17:00:57,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:57,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:57,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:57,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:57,334 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:57,338 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-10-17 17:00:57,416 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/04819f211/3465f115d6a9496c908c1320987aaf74/FLAG473133fae [2022-10-17 17:00:57,998 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:57,999 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-10-17 17:00:58,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/04819f211/3465f115d6a9496c908c1320987aaf74/FLAG473133fae [2022-10-17 17:00:58,336 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/data/04819f211/3465f115d6a9496c908c1320987aaf74 [2022-10-17 17:00:58,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:58,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:58,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:58,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:58,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:58,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad4f3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58, skipping insertion in model container [2022-10-17 17:00:58,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:58,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:58,688 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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-10-17 17:00:58,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:58,733 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 17:00:58,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:58,753 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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-10-17 17:00:58,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:58,763 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:58,788 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_ed25f6e9-7650-4b2b-a172-de164fa4fe94/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-10-17 17:00:58,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:58,812 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:58,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58 WrapperNode [2022-10-17 17:00:58,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:58,814 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:58,814 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:58,814 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:58,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,836 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,862 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-10-17 17:00:58,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:58,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:58,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:58,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:58,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:58,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:58,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:58,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:58,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:58" (1/1) ... [2022-10-17 17:00:58,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:58,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:58,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:58,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:59,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:00:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:59,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 17:00:59,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 17:00:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 17:00:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 17:00:59,028 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 17:00:59,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:00:59,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:00:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:00:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:00:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:00:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:59,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:00:59,032 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 17:00:59,253 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:59,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:59,744 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:59,938 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:59,938 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:00:59,939 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-10-17 17:00:59,940 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 17:00:59,946 INFO L158 Benchmark]: Toolchain (without parser) took 1602.95ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 38.3MB in the beginning and 46.4MB in the end (delta: -8.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-10-17 17:00:59,947 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:59,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.75ms. Allocated memory is still 60.8MB. Free memory was 38.1MB in the beginning and 41.1MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:00:59,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.80ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:59,950 INFO L158 Benchmark]: Boogie Preprocessor took 44.90ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:59,951 INFO L158 Benchmark]: RCFGBuilder took 1016.80ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 37.8MB in the beginning and 46.4MB in the end (delta: -8.6MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-10-17 17:00:59,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.75ms. Allocated memory is still 60.8MB. Free memory was 38.1MB in the beginning and 41.1MB in the end (delta: -3.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.80ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 39.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.90ms. Allocated memory is still 60.8MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1016.80ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 37.8MB in the beginning and 46.4MB in the end (delta: -8.6MB). 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 17:01:00,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed25f6e9-7650-4b2b-a172-de164fa4fe94/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?