./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:31,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:31,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:31,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:31,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:31,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:31,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:31,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:31,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:31,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:31,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:31,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:31,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:31,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:31,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:31,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:31,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:31,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:31,525 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:31,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:31,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:31,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:31,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:31,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:31,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:31,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:31,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:31,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:31,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:31,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:31,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:31,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:31,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:31,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:31,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:31,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:31,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:31,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:31,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:31,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:31,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:31,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:31,584 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:31,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:31,585 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:31,586 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:31,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:31,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:31,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:31,587 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:31,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:31,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:31,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:31,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:31,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:31,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:31,588 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:31,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:31,589 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:31,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:31,589 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:31,590 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:31,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:31,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:31,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:31,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:31,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:31,591 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:31,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:31,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:31,592 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_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a [2022-10-17 16:51:31,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:31,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:31,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:31,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:31,931 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:31,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-10-17 16:51:32,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/9381d1314/2c5159da686f43a68f37690eb758b161/FLAG49a004058 [2022-10-17 16:51:32,525 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:32,526 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-10-17 16:51:32,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/9381d1314/2c5159da686f43a68f37690eb758b161/FLAG49a004058 [2022-10-17 16:51:32,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/9381d1314/2c5159da686f43a68f37690eb758b161 [2022-10-17 16:51:32,858 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:32,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:32,863 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:32,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:32,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:32,868 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:32" (1/1) ... [2022-10-17 16:51:32,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eefc5aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:32, skipping insertion in model container [2022-10-17 16:51:32,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:32" (1/1) ... [2022-10-17 16:51:32,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:32,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:33,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-10-17 16:51:33,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:33,270 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:33,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-10-17 16:51:33,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:33,375 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:33,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33 WrapperNode [2022-10-17 16:51:33,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:33,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:33,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:33,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:33,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,462 INFO L138 Inliner]: procedures = 27, calls = 76, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-10-17 16:51:33,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:33,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:33,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:33,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:33,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:33,526 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:33,526 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:33,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:33,527 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:33" (1/1) ... [2022-10-17 16:51:33,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:33,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:33,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:33,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:33,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:51:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:51:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:51:33,641 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:51:33,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:51:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:51:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:51:33,642 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:51:33,642 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:51:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:51:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:51:33,643 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 16:51:33,643 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 16:51:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:51:33,644 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:51:33,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-10-17 16:51:33,645 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-10-17 16:51:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:51:33,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:51:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:51:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:33,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:33,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:51:33,648 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:51:33,865 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:33,868 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:34,373 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:34,540 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:34,540 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:51:34,541 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:51:34,546 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:51:34,559 INFO L158 Benchmark]: Toolchain (without parser) took 1693.90ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 57.3MB in the beginning and 100.8MB in the end (delta: -43.5MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2022-10-17 16:51:34,561 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:34,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.65ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 64.7MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:51:34,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.08ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 62.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:34,566 INFO L158 Benchmark]: Boogie Preprocessor took 59.42ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:34,567 INFO L158 Benchmark]: RCFGBuilder took 1028.77ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 60.9MB in the beginning and 100.8MB in the end (delta: -40.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2022-10-17 16:51:34,570 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 92.3MB. Free memory was 65.7MB in the beginning and 65.7MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.65ms. Allocated memory is still 92.3MB. Free memory was 57.2MB in the beginning and 64.7MB in the end (delta: -7.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.08ms. Allocated memory is still 92.3MB. Free memory was 64.7MB in the beginning and 62.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.42ms. Allocated memory is still 92.3MB. Free memory was 62.9MB in the beginning and 60.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1028.77ms. Allocated memory was 92.3MB in the beginning and 127.9MB in the end (delta: 35.7MB). Free memory was 60.9MB in the beginning and 100.8MB in the end (delta: -40.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:51:34,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:51:37,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:37,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:37,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:37,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:37,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:37,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:37,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:37,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:37,327 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:37,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:37,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:37,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:37,337 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:37,339 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:37,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:37,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:37,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:37,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:37,357 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:37,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:37,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:37,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:37,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:37,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:37,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:37,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:37,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:37,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:37,386 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:37,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:37,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:37,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:37,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:37,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:37,394 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:37,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:37,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:37,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:37,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:37,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:37,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:51:37,451 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:37,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:37,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:37,454 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:37,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:37,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:37,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:37,456 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:37,456 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:37,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:37,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:37,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:37,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:37,458 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:51:37,458 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:51:37,459 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:51:37,459 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:37,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:37,459 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:37,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:37,460 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:37,460 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:37,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:37,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:37,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:37,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:37,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:37,461 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:51:37,461 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:51:37,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:37,462 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:51:37,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:51:37,462 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_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df820220e47314ad1ae7e5e69c959ff16aa366a463fd9290864972c0f85d142a [2022-10-17 16:51:37,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:37,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:37,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:37,931 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:37,932 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:37,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-10-17 16:51:38,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/04722722b/5549ba0024114588a97425f0147b2b73/FLAG262f9e96d [2022-10-17 16:51:38,552 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:38,557 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c [2022-10-17 16:51:38,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/04722722b/5549ba0024114588a97425f0147b2b73/FLAG262f9e96d [2022-10-17 16:51:38,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/data/04722722b/5549ba0024114588a97425f0147b2b73 [2022-10-17 16:51:38,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:38,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:38,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:38,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:38,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:38,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b35de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:38, skipping insertion in model container [2022-10-17 16:51:38,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:38" (1/1) ... [2022-10-17 16:51:38,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:38,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:39,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-10-17 16:51:39,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:39,340 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-10-17 16:51:39,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:39,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-10-17 16:51:39,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:39,399 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:39,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/sv-benchmarks/c/weaver/popl20-more-buffer-mult2.wvr.c[4099,4112] [2022-10-17 16:51:39,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:39,460 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:39,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39 WrapperNode [2022-10-17 16:51:39,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:39,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:39,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:39,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:39,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,508 INFO L138 Inliner]: procedures = 29, calls = 76, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 103 [2022-10-17 16:51:39,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:39,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:39,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:39,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:39,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,569 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:39,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:39,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:39,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:39,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:39" (1/1) ... [2022-10-17 16:51:39,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:39,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:39,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:39,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:39,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:51:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:51:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-10-17 16:51:39,685 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-10-17 16:51:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:51:39,685 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-10-17 16:51:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-10-17 16:51:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-10-17 16:51:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-10-17 16:51:39,686 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-10-17 16:51:39,686 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-10-17 16:51:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-10-17 16:51:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-10-17 16:51:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:51:39,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:51:39,687 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-10-17 16:51:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-10-17 16:51:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:51:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:51:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:51:39,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:39,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:51:39,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:51:39,691 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:51:39,830 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:39,833 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:40,396 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:40,546 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:40,546 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:51:40,547 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2022-10-17 16:51:40,547 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:51:40,558 INFO L158 Benchmark]: Toolchain (without parser) took 1654.61ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.0MB in the beginning and 39.4MB in the end (delta: -8.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-10-17 16:51:40,558 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:40,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 555.74ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 44.6MB in the end (delta: -13.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:51:40,560 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.17ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:40,561 INFO L158 Benchmark]: Boogie Preprocessor took 66.70ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 40.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:40,562 INFO L158 Benchmark]: RCFGBuilder took 978.47ms. Allocated memory is still 67.1MB. Free memory was 40.6MB in the beginning and 39.4MB in the end (delta: 1.3MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2022-10-17 16:51:40,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 54.5MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 555.74ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.8MB in the beginning and 44.6MB in the end (delta: -13.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.17ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 42.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.70ms. Allocated memory is still 67.1MB. Free memory was 42.8MB in the beginning and 40.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 978.47ms. Allocated memory is still 67.1MB. Free memory was 40.6MB in the beginning and 39.4MB in the end (delta: 1.3MB). Peak memory consumption was 17.7MB. 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. [2022-10-17 16:51:40,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56a0083d-3201-4577-ba25-340e9fc971a3/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?