./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ --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 f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc --- 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-6b4ec56 [2022-11-20 16:49:43,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:49:43,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:49:43,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:49:43,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:49:43,450 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:49:43,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:49:43,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:49:43,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:49:43,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:49:43,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:49:43,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:49:43,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:49:43,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:49:43,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:49:43,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:49:43,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:49:43,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:49:43,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:49:43,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:49:43,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:49:43,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:49:43,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:49:43,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:49:43,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:49:43,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:49:43,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:49:43,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:49:43,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:49:43,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:49:43,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:49:43,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:49:43,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:49:43,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:49:43,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:49:43,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:49:43,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:49:43,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:49:43,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:49:43,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:49:43,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:49:43,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:49:43,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:49:43,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:49:43,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:49:43,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:49:43,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:49:43,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:49:43,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:49:43,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:49:43,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:49:43,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:49:43,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:49:43,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:49:43,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:49:43,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:49:43,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:49:43,535 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:49:43,535 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:49:43,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:49:43,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:49:43,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:49:43,536 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:49:43,536 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:49:43,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:49:43,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:43,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:49:43,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:49:43,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:49:43,537 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:49:43,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:49:43,538 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:49:43,538 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc [2022-11-20 16:49:43,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:49:43,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:49:43,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:49:43,905 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:49:43,905 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:49:43,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-20 16:49:46,999 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:49:47,261 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:49:47,263 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-20 16:49:47,274 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data/095bc70e6/a53fa61bd1664bcc801d2fdcee93d55e/FLAGe384f5472 [2022-11-20 16:49:47,292 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data/095bc70e6/a53fa61bd1664bcc801d2fdcee93d55e [2022-11-20 16:49:47,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:49:47,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:49:47,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:47,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:49:47,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:49:47,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ab479b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47, skipping insertion in model container [2022-11-20 16:49:47,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:49:47,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:49:47,613 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-20 16:49:47,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:47,630 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:49:47,660 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-20 16:49:47,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:47,680 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:49:47,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47 WrapperNode [2022-11-20 16:49:47,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:47,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:47,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:49:47,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:49:47,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,719 INFO L138 Inliner]: procedures = 27, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-11-20 16:49:47,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:47,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:49:47,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:49:47,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:49:47,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:49:47,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:49:47,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:49:47,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:49:47,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:47" (1/1) ... [2022-11-20 16:49:47,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:47,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:49:47,813 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:49:47,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:49:47,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:49:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:49:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:49:47,877 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 16:49:47,877 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 16:49:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:49:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:49:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:49:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:49:47,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:49:47,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 16:49:47,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 16:49:47,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 16:49:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 16:49:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:49:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:49:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:49:47,880 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 16:49:47,880 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 16:49:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:49:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:49:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:49:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:49:47,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:49:47,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:49:47,883 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:49:48,075 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:49:48,078 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:49:48,571 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:49:48,763 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:49:48,763 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 16:49:48,764 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 16:49:48,765 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) [2022-11-20 16:49:48,769 INFO L158 Benchmark]: Toolchain (without parser) took 1469.44ms. Allocated memory is still 151.0MB. Free memory was 109.3MB in the beginning and 69.6MB in the end (delta: 39.7MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2022-11-20 16:49:48,770 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:48,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.30ms. Allocated memory is still 151.0MB. Free memory was 108.9MB in the beginning and 115.7MB in the end (delta: -6.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:49:48,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.47ms. Allocated memory is still 151.0MB. Free memory was 115.7MB in the beginning and 114.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:48,772 INFO L158 Benchmark]: Boogie Preprocessor took 52.54ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:48,773 INFO L158 Benchmark]: RCFGBuilder took 994.10ms. Allocated memory is still 151.0MB. Free memory was 112.0MB in the beginning and 69.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-20 16:49:48,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 109.1MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.30ms. Allocated memory is still 151.0MB. Free memory was 108.9MB in the beginning and 115.7MB in the end (delta: -6.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.47ms. Allocated memory is still 151.0MB. Free memory was 115.7MB in the beginning and 114.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.54ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 112.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 994.10ms. Allocated memory is still 151.0MB. Free memory was 112.0MB in the beginning and 69.6MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. 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. [2022-11-20 16:49:48,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ --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 f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc --- 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-6b4ec56 [2022-11-20 16:49:51,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:49:51,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:49:51,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:49:51,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:49:51,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:49:51,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:49:51,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:49:51,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:49:51,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:49:51,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:49:51,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:49:51,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:49:51,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:49:51,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:49:51,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:49:51,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:49:51,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:49:51,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:49:51,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:49:51,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:49:51,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:49:51,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:49:51,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:49:51,561 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:49:51,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:49:51,562 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:49:51,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:49:51,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:49:51,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:49:51,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:49:51,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:49:51,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:49:51,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:49:51,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:49:51,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:49:51,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:49:51,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:49:51,585 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:49:51,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:49:51,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:49:51,592 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:49:51,634 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:49:51,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:49:51,637 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:49:51,637 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:49:51,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:49:51,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:49:51,638 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:49:51,639 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:49:51,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:49:51,639 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:49:51,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:49:51,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:49:51,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:49:51,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:49:51,641 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:49:51,641 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:49:51,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:49:51,642 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:49:51,642 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:49:51,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:49:51,642 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:49:51,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:49:51,643 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:49:51,643 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:49:51,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:49:51,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:51,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:49:51,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:49:51,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:49:51,644 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:49:51,644 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:49:51,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:49:51,645 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:49:51,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:49:51,646 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83ae5bec1717d6f197d4259600c0d1f406909832409df09253b7bf70d3f66fc [2022-11-20 16:49:52,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:49:52,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:49:52,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:49:52,104 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:49:52,104 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:49:52,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-20 16:49:55,129 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:49:55,394 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:49:55,395 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c [2022-11-20 16:49:55,406 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data/03ddd9c70/d15dcfc11061421cbb6fe844e715dc20/FLAG7b5879ad5 [2022-11-20 16:49:55,424 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/data/03ddd9c70/d15dcfc11061421cbb6fe844e715dc20 [2022-11-20 16:49:55,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:49:55,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:49:55,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:55,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:49:55,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:49:55,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:55,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e84d511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55, skipping insertion in model container [2022-11-20 16:49:55,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:55,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:49:55,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:49:55,758 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-20 16:49:55,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:55,802 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 16:49:55,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:49:55,863 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-20 16:49:55,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:55,879 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:49:55,925 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_5e37cdc3-ef2d-45ee-900a-dac6611d3937/sv-benchmarks/c/weaver/popl20-more-buffer-series2.wvr.c[4232,4245] [2022-11-20 16:49:55,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:49:55,962 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:49:55,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55 WrapperNode [2022-11-20 16:49:55,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:49:55,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:55,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:49:55,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:49:55,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,033 INFO L138 Inliner]: procedures = 29, calls = 83, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 104 [2022-11-20 16:49:56,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:49:56,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:49:56,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:49:56,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:49:56,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,081 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,104 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:49:56,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:49:56,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:49:56,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:49:56,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:49:55" (1/1) ... [2022-11-20 16:49:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:49:56,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:49:56,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:49:56,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:49:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:49:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:49:56,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:49:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-11-20 16:49:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-11-20 16:49:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:49:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-20 16:49:56,201 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-20 16:49:56,201 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-20 16:49:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-20 16:49:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-20 16:49:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-20 16:49:56,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-20 16:49:56,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-20 16:49:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:49:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:49:56,203 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-11-20 16:49:56,203 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-11-20 16:49:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:49:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:49:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 16:49:56,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:49:56,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:49:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:49:56,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:49:56,207 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:49:56,404 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:49:56,406 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:49:57,007 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:49:57,249 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:49:57,250 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-20 16:49:57,250 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-11-20 16:49:57,251 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) [2022-11-20 16:49:57,255 INFO L158 Benchmark]: Toolchain (without parser) took 1823.83ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 34.1MB in the beginning and 54.9MB in the end (delta: -20.7MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2022-11-20 16:49:57,255 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:49:57,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.40ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 50.3MB in the end (delta: -16.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-11-20 16:49:57,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.92ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 48.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:57,257 INFO L158 Benchmark]: Boogie Preprocessor took 81.22ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:49:57,258 INFO L158 Benchmark]: RCFGBuilder took 1137.24ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 54.9MB in the end (delta: -8.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-11-20 16:49:57,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.40ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 50.3MB in the end (delta: -16.4MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.92ms. Allocated memory is still 77.6MB. Free memory was 50.3MB in the beginning and 48.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.22ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1137.24ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 54.9MB in the end (delta: -8.7MB). Peak memory consumption was 16.7MB. 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. [2022-11-20 16:49:57,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e37cdc3-ef2d-45ee-900a-dac6611d3937/bin/ukojak-pZX7IvK2PQ/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?