./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ --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 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:23:49,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:23:49,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:23:49,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:23:49,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:23:49,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:23:49,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:23:49,789 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:23:49,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:23:49,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:23:49,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:23:49,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:23:49,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:23:49,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:23:49,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:23:49,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:23:49,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:23:49,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:23:49,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:23:49,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:23:49,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:23:49,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:23:49,813 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:23:49,814 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:23:49,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:23:49,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:23:49,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:23:49,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:23:49,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:23:49,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:23:49,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:23:49,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:23:49,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:23:49,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:23:49,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:23:49,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:23:49,829 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:23:49,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:23:49,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:23:49,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:23:49,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:23:49,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:23:49,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:23:49,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:23:49,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:23:49,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:23:49,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:23:49,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:23:49,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:23:49,860 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:23:49,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:23:49,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:23:49,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:23:49,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:23:49,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:23:49,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:23:49,862 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:23:49,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:23:49,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:23:49,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:23:49,863 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:23:49,863 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:23:49,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:23:49,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:49,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:23:49,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:23:49,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:23:49,865 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:23:49,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:23:49,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:23:49,866 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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca [2021-11-23 01:23:50,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:23:50,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:23:50,174 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:23:50,176 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:23:50,177 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:23:50,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2021-11-23 01:23:50,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/1aa782b93/60d6753f5ebd47c99801db9bea3fb719/FLAG94b77a8cb [2021-11-23 01:23:50,780 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:23:50,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2021-11-23 01:23:50,799 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/1aa782b93/60d6753f5ebd47c99801db9bea3fb719/FLAG94b77a8cb [2021-11-23 01:23:51,133 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/1aa782b93/60d6753f5ebd47c99801db9bea3fb719 [2021-11-23 01:23:51,136 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:23:51,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:23:51,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:51,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:23:51,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:23:51,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c3a8949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51, skipping insertion in model container [2021-11-23 01:23:51,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:23:51,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:23:51,360 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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2021-11-23 01:23:51,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:51,377 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:23:51,403 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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2021-11-23 01:23:51,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:51,424 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:23:51,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51 WrapperNode [2021-11-23 01:23:51,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:51,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:51,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:23:51,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:23:51,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,471 INFO L137 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2021-11-23 01:23:51,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:51,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:23:51,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:23:51,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:23:51,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:23:51,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:23:51,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:23:51,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:23:51,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:51" (1/1) ... [2021-11-23 01:23:51,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:51,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:23:51,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:23:51,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:23:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:23:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:23:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:23:51,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:23:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:23:51,663 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:23:51,663 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:23:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:23:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:23:51,664 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:23:51,664 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:23:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:23:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:23:51,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:23:51,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:23:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:23:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:23:51,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:23:51,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:23:51,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:23:51,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:23:51,670 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:23:51,791 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:23:51,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:23:52,044 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:23:52,230 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:23:52,230 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:23:52,231 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2021-11-23 01:23:52,232 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:304) 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) [2021-11-23 01:23:52,237 INFO L158 Benchmark]: Toolchain (without parser) took 1098.28ms. Allocated memory is still 98.6MB. Free memory was 56.5MB in the beginning and 45.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:23:52,238 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 98.6MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:23:52,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.82ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 71.3MB in the end (delta: -15.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:23:52,240 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.92ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:23:52,241 INFO L158 Benchmark]: Boogie Preprocessor took 37.34ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:23:52,242 INFO L158 Benchmark]: RCFGBuilder took 724.40ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 45.3MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 01:23:52,246 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 98.6MB. Free memory was 72.8MB in the beginning and 72.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.82ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 71.3MB in the end (delta: -15.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.92ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.34ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 68.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 724.40ms. Allocated memory is still 98.6MB. Free memory was 67.5MB in the beginning and 45.3MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:23:52,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ --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 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:23:54,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:23:54,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:23:54,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:23:54,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:23:55,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:23:55,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:23:55,008 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:23:55,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:23:55,018 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:23:55,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:23:55,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:23:55,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:23:55,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:23:55,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:23:55,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:23:55,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:23:55,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:23:55,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:23:55,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:23:55,052 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:23:55,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:23:55,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:23:55,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:23:55,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:23:55,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:23:55,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:23:55,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:23:55,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:23:55,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:23:55,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:23:55,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:23:55,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:23:55,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:23:55,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:23:55,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:23:55,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:23:55,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:23:55,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:23:55,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:23:55,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:23:55,076 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:23:55,101 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:23:55,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:23:55,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:23:55,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:23:55,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:23:55,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:23:55,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:23:55,106 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:23:55,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:23:55,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:23:55,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:23:55,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:23:55,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:23:55,108 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:23:55,108 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:23:55,109 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:23:55,109 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:23:55,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:23:55,110 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:23:55,110 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:23:55,111 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:23:55,111 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:23:55,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:23:55,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:55,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:23:55,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:23:55,112 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:23:55,112 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:23:55,112 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:23:55,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:23:55,113 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:23:55,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:23:55,113 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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ea4ca0f63ee44295abb2f56a10a45cd5c3c9aada41df664ec74c618092ddbca [2021-11-23 01:23:55,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:23:55,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:23:55,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:23:55,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:23:55,567 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:23:55,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2021-11-23 01:23:55,659 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/f5404231c/2472c653f73a497db029bb26a171b90c/FLAGf5be49530 [2021-11-23 01:23:56,199 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:23:56,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2021-11-23 01:23:56,212 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/f5404231c/2472c653f73a497db029bb26a171b90c/FLAGf5be49530 [2021-11-23 01:23:56,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/data/f5404231c/2472c653f73a497db029bb26a171b90c [2021-11-23 01:23:56,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:23:56,523 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:23:56,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:56,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:23:56,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:23:56,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:56,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4643cc0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56, skipping insertion in model container [2021-11-23 01:23:56,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:56,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:23:56,575 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:23:56,814 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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2021-11-23 01:23:56,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:56,876 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:23:56,882 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:23:56,914 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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2021-11-23 01:23:56,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:56,929 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:23:56,955 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_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2021-11-23 01:23:56,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:56,974 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:23:56,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56 WrapperNode [2021-11-23 01:23:56,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:56,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:56,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:23:56,976 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:23:56,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:56,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,016 INFO L137 Inliner]: procedures = 28, calls = 63, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2021-11-23 01:23:57,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:57,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:23:57,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:23:57,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:23:57,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,048 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:23:57,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:23:57,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:23:57,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:23:57,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:56" (1/1) ... [2021-11-23 01:23:57,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:57,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:23:57,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:23:57,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:23:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:23:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:23:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:23:57,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:23:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:23:57,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:23:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:23:57,137 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:23:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:23:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:23:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-11-23 01:23:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-11-23 01:23:57,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:23:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:23:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:23:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:23:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:23:57,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:23:57,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:23:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:23:57,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:23:57,141 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:23:57,338 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:23:57,340 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:23:57,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:23:57,978 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:23:57,984 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:23:57,985 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L86 is neither atomic block end nor a sink node. [2021-11-23 01:23:57,986 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:304) 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) [2021-11-23 01:23:57,992 INFO L158 Benchmark]: Toolchain (without parser) took 1468.02ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 34.6MB in the beginning and 36.4MB in the end (delta: -1.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-11-23 01:23:57,996 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:23:57,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.69ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 35.8MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:23:57,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.66ms. Allocated memory is still 56.6MB. Free memory was 35.8MB in the beginning and 34.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:23:58,000 INFO L158 Benchmark]: Boogie Preprocessor took 35.69ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 32.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:23:58,001 INFO L158 Benchmark]: RCFGBuilder took 937.32ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.2MB in the beginning and 36.4MB in the end (delta: -4.2MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 01:23:58,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 38.0MB in the beginning and 38.0MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.69ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 35.8MB in the end (delta: -1.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.66ms. Allocated memory is still 56.6MB. Free memory was 35.8MB in the beginning and 34.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.69ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 32.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 937.32ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.2MB in the beginning and 36.4MB in the end (delta: -4.2MB). Peak memory consumption was 16.4MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:23:58,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fa788a7-2c16-45a9-b4c2-a4d7edf1b3ce/bin/ukojak-LBtLqBUTdQ/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?