./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-15 00:27:26,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:27:26,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:27:26,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:27:26,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:27:26,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:27:26,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:27:26,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:27:26,880 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:27:26,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:27:26,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:27:26,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:27:26,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:27:26,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:27:26,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:27:26,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:27:26,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:27:26,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:27:26,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:27:26,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:27:26,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:27:26,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:27:26,891 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:27:26,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:27:26,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:27:26,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:27:26,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:27:26,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:27:26,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:27:26,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:27:26,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:27:26,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:27:26,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:27:26,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:27:26,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:27:26,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:27:26,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:27:26,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:27:26,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:27:26,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:27:26,901 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:27:26,902 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:27:26,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:27:26,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:27:26,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:27:26,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:27:26,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:27:26,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:27:26,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:27:26,918 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:27:26,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:27:26,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:27:26,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:27:26,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:27:26,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:27:26,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:27:26,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:27:26,919 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:27:26,919 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:27:26,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:27:26,919 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:27:26,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:27:26,920 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:27:26,920 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:27:26,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:27:26,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:27:26,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:27:26,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:27:26,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:27:26,921 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:27:26,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:27:26,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:27:26,921 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_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2022-12-15 00:27:27,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:27:27,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:27:27,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:27:27,109 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:27:27,110 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:27:27,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-15 00:27:29,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:27:29,794 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:27:29,795 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-15 00:27:29,799 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data/1bbf3b94a/67c797b9a45048008a04fbbc2b657232/FLAGaa99f9f5c [2022-12-15 00:27:30,200 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data/1bbf3b94a/67c797b9a45048008a04fbbc2b657232 [2022-12-15 00:27:30,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:27:30,203 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:27:30,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:27:30,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:27:30,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:27:30,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3e2e82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30, skipping insertion in model container [2022-12-15 00:27:30,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:27:30,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:27:30,330 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:30,334 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:30,336 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:30,337 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:30,342 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-15 00:27:30,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:27:30,353 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:27:30,363 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:30,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:30,364 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:30,365 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:30,368 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-15 00:27:30,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:27:30,380 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:27:30,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30 WrapperNode [2022-12-15 00:27:30,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:27:30,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:27:30,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:27:30,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:27:30,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,406 INFO L138 Inliner]: procedures = 24, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-12-15 00:27:30,406 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:27:30,407 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:27:30,407 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:27:30,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:27:30,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,424 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:27:30,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:27:30,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:27:30,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:27:30,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:30" (1/1) ... [2022-12-15 00:27:30,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:27:30,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:27:30,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:27:30,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:27:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:27:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 00:27:30,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 00:27:30,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 00:27:30,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 00:27:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 00:27:30,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 00:27:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:27:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:27:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:27:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 00:27:30,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 00:27:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:27:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:27:30,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:27:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:27:30,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:27:30,488 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:27:30,569 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:27:30,570 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:27:30,747 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:27:30,871 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:27:30,871 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 00:27:30,872 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-12-15 00:27:30,873 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) [2022-12-15 00:27:30,877 INFO L158 Benchmark]: Toolchain (without parser) took 672.42ms. Allocated memory is still 157.3MB. Free memory was 123.3MB in the beginning and 81.8MB in the end (delta: 41.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-12-15 00:27:30,877 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:27:30,878 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.79ms. Allocated memory is still 157.3MB. Free memory was 122.8MB in the beginning and 111.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 00:27:30,878 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.79ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 109.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:27:30,879 INFO L158 Benchmark]: Boogie Preprocessor took 19.76ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 108.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:27:30,879 INFO L158 Benchmark]: RCFGBuilder took 448.19ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 81.8MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 00:27:30,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 111.1MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.79ms. Allocated memory is still 157.3MB. Free memory was 122.8MB in the beginning and 111.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.79ms. Allocated memory is still 157.3MB. Free memory was 111.1MB in the beginning and 109.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.76ms. Allocated memory is still 157.3MB. Free memory was 109.8MB in the beginning and 108.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.19ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 81.8MB in the end (delta: 26.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:27:30,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-2329fc7 [2022-12-15 00:27:32,609 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:27:32,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:27:32,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:27:32,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:27:32,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:27:32,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:27:32,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:27:32,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:27:32,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:27:32,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:27:32,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:27:32,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:27:32,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:27:32,631 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:27:32,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:27:32,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:27:32,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:27:32,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:27:32,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:27:32,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:27:32,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:27:32,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:27:32,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:27:32,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:27:32,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:27:32,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:27:32,641 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:27:32,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:27:32,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:27:32,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:27:32,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:27:32,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:27:32,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:27:32,645 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:27:32,645 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:27:32,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:27:32,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:27:32,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:27:32,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:27:32,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:27:32,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-15 00:27:32,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:27:32,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:27:32,687 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:27:32,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:27:32,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:27:32,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:27:32,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:27:32,689 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:27:32,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:27:32,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:27:32,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:27:32,690 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:27:32,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:27:32,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:27:32,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 00:27:32,690 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 00:27:32,691 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:27:32,691 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 00:27:32,691 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:27:32,691 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:27:32,691 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:27:32,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:27:32,692 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:27:32,692 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:27:32,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:27:32,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:27:32,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:27:32,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:27:32,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:27:32,693 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 00:27:32,693 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 00:27:32,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:27:32,694 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 00:27:32,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 00:27:32,694 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_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 610058eb9ed98833ba9b7a0798b4759bf36fe1b982d69af76f73ab299f075720 [2022-12-15 00:27:32,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:27:32,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:27:32,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:27:32,940 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:27:32,941 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:27:32,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-15 00:27:35,528 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:27:35,678 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:27:35,679 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c [2022-12-15 00:27:35,686 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data/5111daf2a/b59d99266f94477682ba47262b8a39fe/FLAG588e4c2ac [2022-12-15 00:27:35,698 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/data/5111daf2a/b59d99266f94477682ba47262b8a39fe [2022-12-15 00:27:35,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:27:35,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:27:35,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:27:35,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:27:35,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:27:35,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3c81ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35, skipping insertion in model container [2022-12-15 00:27:35,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:27:35,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:27:35,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:35,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:35,862 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:35,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:35,868 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-15 00:27:35,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:27:35,883 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-15 00:27:35,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:27:35,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:35,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:35,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:35,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:35,894 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-15 00:27:35,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:27:35,900 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:27:35,911 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:35,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:35,912 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-15 00:27:35,914 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-15 00:27:35,916 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2438,2451] [2022-12-15 00:27:35,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:27:35,931 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:27:35,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35 WrapperNode [2022-12-15 00:27:35,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:27:35,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:27:35,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:27:35,932 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:27:35,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,959 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-12-15 00:27:35,959 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:27:35,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:27:35,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:27:35,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:27:35,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,972 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,987 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:27:35,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:27:35,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:27:35,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:27:35,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:27:35" (1/1) ... [2022-12-15 00:27:35,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:27:36,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:27:36,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:27:36,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:27:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:27:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 00:27:36,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:27:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 00:27:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-15 00:27:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-15 00:27:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-15 00:27:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-15 00:27:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 00:27:36,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 00:27:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-15 00:27:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-15 00:27:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-15 00:27:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:27:36,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:27:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:27:36,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 00:27:36,053 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:27:36,135 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:27:36,137 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:27:36,359 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:27:36,480 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:27:36,480 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 00:27:36,481 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L49 is neither atomic block end nor a sink node. [2022-12-15 00:27:36,481 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) [2022-12-15 00:27:36,484 INFO L158 Benchmark]: Toolchain (without parser) took 782.81ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 34.3MB in the beginning and 40.2MB in the end (delta: -5.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-12-15 00:27:36,485 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:27:36,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.62ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 34.2MB in the beginning and 56.9MB in the end (delta: -22.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2022-12-15 00:27:36,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.28ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:27:36,486 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 81.8MB. Free memory was 55.1MB in the beginning and 53.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:27:36,486 INFO L158 Benchmark]: RCFGBuilder took 491.95ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 40.2MB in the end (delta: 13.5MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-12-15 00:27:36,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.62ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 34.2MB in the beginning and 56.9MB in the end (delta: -22.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.28ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 55.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 81.8MB. Free memory was 55.1MB in the beginning and 53.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 491.95ms. Allocated memory is still 81.8MB. Free memory was 53.6MB in the beginning and 40.2MB in the end (delta: 13.5MB). Peak memory consumption was 19.1MB. 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. [2022-12-15 00:27:36,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dcdc5f04-5101-465b-99c3-a932351d3bb0/bin/ukojak-rkRKPMF4O4/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?