./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:04:50,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:04:50,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:04:50,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:04:50,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:04:50,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:04:50,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:04:50,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:04:50,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:04:50,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:04:50,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:04:50,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:04:50,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:04:50,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:04:50,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:04:50,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:04:50,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:04:50,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:04:50,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:04:50,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:04:50,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:04:50,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:04:50,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:04:50,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:04:50,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:04:50,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:04:50,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:04:50,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:04:50,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:04:50,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:04:50,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:04:50,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:04:50,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:04:50,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:04:50,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:04:50,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:04:50,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:04:50,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:04:50,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:04:50,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:04:50,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:04:50,608 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 23:04:50,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:04:50,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:04:50,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:04:50,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:04:50,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:04:50,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:04:50,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:04:50,633 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:04:50,634 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:04:50,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:04:50,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:04:50,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:04:50,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:04:50,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:04:50,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:04:50,635 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:04:50,636 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:04:50,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:04:50,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:04:50,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:04:50,637 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:04:50,637 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:04:50,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:04:50,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:50,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:04:50,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:04:50,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:04:50,638 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:04:50,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:04:50,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:04:50,639 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2022-11-21 23:04:50,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:04:50,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:04:50,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:04:50,952 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:04:50,953 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:04:50,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-21 23:04:53,948 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:04:54,176 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:04:54,177 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-21 23:04:54,189 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data/4eb40f344/74646f03914445c78834e99446bc90ff/FLAGbbaf875a9 [2022-11-21 23:04:54,205 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data/4eb40f344/74646f03914445c78834e99446bc90ff [2022-11-21 23:04:54,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:04:54,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:04:54,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:54,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:04:54,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:04:54,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670ddd9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54, skipping insertion in model container [2022-11-21 23:04:54,216 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:04:54,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:04:54,526 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-21 23:04:54,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:54,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:04:54,607 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-21 23:04:54,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:04:54,641 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:04:54,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54 WrapperNode [2022-11-21 23:04:54,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:04:54,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:54,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:04:54,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:04:54,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,705 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-21 23:04:54,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:04:54,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:04:54,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:04:54,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:04:54,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,737 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:04:54,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:04:54,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:04:54,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:04:54,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:04:54" (1/1) ... [2022-11-21 23:04:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:54,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:04:54,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:04:54,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:04:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:04:54,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:04:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:04:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:04:54,821 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:04:54,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:04:54,822 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:04:54,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:04:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:04:54,823 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:04:54,823 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:04:54,824 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:04:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:04:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:04:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:04:54,828 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:04:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:04:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:04:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:04:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:04:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:04:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:04:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:04:54,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:04:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:04:54,831 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:04:54,943 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:04:54,945 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:04:55,457 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:04:55,820 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:04:55,820 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:04:55,821 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-21 23:04:55,822 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:04:55,827 INFO L158 Benchmark]: Toolchain (without parser) took 1616.65ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 56.5MB in the end (delta: 66.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2022-11-21 23:04:55,828 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 65.5MB in the beginning and 65.1MB in the end (delta: 321.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:04:55,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.43ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 109.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:04:55,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.23ms. Allocated memory is still 153.1MB. Free memory was 109.5MB in the beginning and 108.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:04:55,831 INFO L158 Benchmark]: Boogie Preprocessor took 35.76ms. Allocated memory is still 153.1MB. Free memory was 108.0MB in the beginning and 105.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:04:55,831 INFO L158 Benchmark]: RCFGBuilder took 1081.95ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 56.5MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2022-11-21 23:04:55,841 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 65.5MB in the beginning and 65.1MB in the end (delta: 321.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.43ms. Allocated memory is still 153.1MB. Free memory was 122.1MB in the beginning and 109.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.23ms. Allocated memory is still 153.1MB. Free memory was 109.5MB in the beginning and 108.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.76ms. Allocated memory is still 153.1MB. Free memory was 108.0MB in the beginning and 105.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1081.95ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 56.5MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 23:04:55,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:04:58,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:04:58,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:04:58,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:04:58,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:04:58,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:04:58,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:04:58,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:04:58,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:04:58,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:04:58,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:04:58,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:04:58,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:04:58,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:04:58,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:04:58,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:04:58,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:04:58,568 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:04:58,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:04:58,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:04:58,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:04:58,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:04:58,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:04:58,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:04:58,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:04:58,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:04:58,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:04:58,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:04:58,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:04:58,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:04:58,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:04:58,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:04:58,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:04:58,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:04:58,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:04:58,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:04:58,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:04:58,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:04:58,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:04:58,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:04:58,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:04:58,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 23:04:58,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:04:58,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:04:58,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:04:58,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:04:58,680 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:04:58,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:04:58,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:04:58,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:04:58,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:04:58,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:04:58,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:04:58,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:04:58,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:04:58,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:04:58,684 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 23:04:58,684 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 23:04:58,684 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:04:58,685 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 23:04:58,685 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:04:58,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:04:58,685 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:04:58,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:04:58,686 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:04:58,686 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:04:58,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:04:58,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:04:58,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:04:58,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:04:58,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:04:58,688 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 23:04:58,688 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 23:04:58,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:04:58,688 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 23:04:58,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 23:04:58,689 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 675e4a71573eb5ca191c78078c954ea41743d39a46f0fa586376ee48e7dc4190 [2022-11-21 23:04:59,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:04:59,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:04:59,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:04:59,106 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:04:59,107 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:04:59,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-21 23:05:02,324 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:05:02,589 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:05:02,590 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2022-11-21 23:05:02,601 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data/9343f6ae4/81d0f95b72254bae82beec62732cc2c5/FLAGbc1ca39f9 [2022-11-21 23:05:02,628 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/data/9343f6ae4/81d0f95b72254bae82beec62732cc2c5 [2022-11-21 23:05:02,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:05:02,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:05:02,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:05:02,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:05:02,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:05:02,639 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:05:02" (1/1) ... [2022-11-21 23:05:02,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558c87df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:02, skipping insertion in model container [2022-11-21 23:05:02,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:05:02" (1/1) ... [2022-11-21 23:05:02,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:05:02,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:05:02,885 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-21 23:05:02,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:05:02,910 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-21 23:05:02,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:05:02,954 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-21 23:05:02,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:05:02,965 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:05:02,998 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_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2022-11-21 23:05:03,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:05:03,045 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:05:03,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03 WrapperNode [2022-11-21 23:05:03,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:05:03,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:05:03,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:05:03,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:05:03,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,106 INFO L138 Inliner]: procedures = 29, calls = 87, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2022-11-21 23:05:03,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:05:03,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:05:03,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:05:03,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:05:03,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,171 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:05:03,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:05:03,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:05:03,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:05:03,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:05:03" (1/1) ... [2022-11-21 23:05:03,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:05:03,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:05:03,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:05:03,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:05:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:05:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 23:05:03,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:05:03,264 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-21 23:05:03,265 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-21 23:05:03,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 23:05:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 23:05:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 23:05:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 23:05:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 23:05:03,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 23:05:03,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 23:05:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-21 23:05:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-21 23:05:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 23:05:03,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 23:05:03,267 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-21 23:05:03,268 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-21 23:05:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 23:05:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 23:05:03,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 23:05:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:05:03,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:05:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:05:03,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 23:05:03,272 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 23:05:03,432 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:05:03,433 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:05:04,064 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:05:04,425 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:05:04,426 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-21 23:05:04,427 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-21 23:05:04,428 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-21 23:05:04,435 INFO L158 Benchmark]: Toolchain (without parser) took 1801.78ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 47.9MB in the end (delta: 12.2MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,435 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:05:04,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.68ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 44.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.60ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,438 INFO L158 Benchmark]: Boogie Preprocessor took 70.14ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,439 INFO L158 Benchmark]: RCFGBuilder took 1255.62ms. Allocated memory is still 81.8MB. Free memory was 39.6MB in the beginning and 47.9MB in the end (delta: -8.3MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-21 23:05:04,443 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 60.8MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.68ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 44.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.60ms. Allocated memory is still 81.8MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.14ms. Allocated memory is still 81.8MB. Free memory was 41.9MB in the beginning and 39.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1255.62ms. Allocated memory is still 81.8MB. Free memory was 39.6MB in the beginning and 47.9MB in the end (delta: -8.3MB). Peak memory consumption was 14.9MB. 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. [2022-11-21 23:05:04,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d8ff65d-d9a6-4a8f-a4d0-69842cba45fa/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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?