./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.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_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/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_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/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_4b5f95c3-1df6-41c8-b896-4681f0552c11/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 ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:22,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:22,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:22,764 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:22,765 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:22,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:22,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:22,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:22,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:22,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:22,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:22,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:22,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:22,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:22,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:22,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:22,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:22,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:22,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:22,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:22,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:22,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:22,797 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:22,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:22,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:22,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:22,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:22,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:22,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:22,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:22,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:22,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:22,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:22,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:22,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:22,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:22,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:22,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:22,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:22,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:22,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:22,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:28:22,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:22,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:22,848 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:22,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:22,849 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:22,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:22,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:22,850 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:22,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:28:22,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:22,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:22,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:22,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:22,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:22,858 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:22,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:22,858 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:22,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:22,859 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:22,859 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:22,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:22,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:22,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:22,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:22,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:22,860 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:28:22,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:28:22,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:22,861 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a [2021-11-23 00:28:23,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:23,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:23,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:23,216 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:23,217 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:23,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-11-23 00:28:23,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/e556a2bca/26d8af0aa863405ca62f447092820280/FLAG271b917e8 [2021-11-23 00:28:23,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:23,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-11-23 00:28:23,889 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/e556a2bca/26d8af0aa863405ca62f447092820280/FLAG271b917e8 [2021-11-23 00:28:24,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/e556a2bca/26d8af0aa863405ca62f447092820280 [2021-11-23 00:28:24,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:24,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:24,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:24,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:24,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:24,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e81abe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24, skipping insertion in model container [2021-11-23 00:28:24,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:24,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:24,467 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-11-23 00:28:24,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:24,483 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:24,507 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-11-23 00:28:24,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:24,526 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:24,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24 WrapperNode [2021-11-23 00:28:24,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:24,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:24,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:24,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:24,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,565 INFO L137 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2021-11-23 00:28:24,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:24,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:24,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:24,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:24,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,617 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:24,618 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:24,618 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:24,619 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:24,619 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:24" (1/1) ... [2021-11-23 00:28:24,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:24,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:24,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:24,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:28:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:28:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:28:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:28:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:28:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:28:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:28:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:28:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 00:28:24,708 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 00:28:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:28:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:28:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:28:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:28:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:24,711 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 00:28:24,845 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:24,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:25,102 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:25,239 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:25,240 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:28:25,241 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-11-23 00:28:25,241 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 00:28:25,251 INFO L158 Benchmark]: Toolchain (without parser) took 1031.47ms. Allocated memory is still 90.2MB. Free memory was 55.8MB in the beginning and 43.9MB in the end (delta: 12.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,253 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:25,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.94ms. Allocated memory is still 90.2MB. Free memory was 55.7MB in the beginning and 65.1MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.65ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 63.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,257 INFO L158 Benchmark]: Boogie Preprocessor took 51.32ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 62.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:25,259 INFO L158 Benchmark]: RCFGBuilder took 630.07ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 43.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:28:25,264 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 90.2MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.94ms. Allocated memory is still 90.2MB. Free memory was 55.7MB in the beginning and 65.1MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.65ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 63.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.32ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 62.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 630.07ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 43.9MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:28:25,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/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_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/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_4b5f95c3-1df6-41c8-b896-4681f0552c11/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 ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:28:27,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:28:27,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:28:27,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:28:27,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:28:27,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:28:27,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:28:27,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:28:27,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:28:27,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:28:27,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:28:27,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:28:27,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:28:27,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:28:27,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:28:27,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:28:27,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:28:27,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:28:27,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:28:27,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:28:27,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:28:27,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:28:27,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:28:27,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:28:27,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:28:27,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:28:27,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:28:27,894 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:28:27,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:28:27,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:28:27,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:28:27,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:28:27,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:28:27,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:28:27,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:28:27,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:28:27,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:28:27,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:28:27,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:28:27,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:28:27,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:28:27,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:28:27,960 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:28:27,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:28:27,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:28:27,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:28:27,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:28:27,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:28:27,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:28:27,964 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:28:27,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:28:27,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:28:27,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:28:27,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:28:27,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:28:27,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:28:27,966 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:28:27,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:28:27,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:28:27,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:28:27,967 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:28:27,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:28:27,968 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:28:27,968 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:28:27,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:28:27,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:27,968 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:28:27,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:28:27,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:28:27,969 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:28:27,969 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:28:27,969 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:28:27,970 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:28:27,970 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:28:27,970 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecda181bd3fe1882667151a04232fb9d04292dd6ca3491d98fdc8de5d539856a [2021-11-23 00:28:28,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:28:28,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:28:28,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:28:28,404 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:28:28,404 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:28:28,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-11-23 00:28:28,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/82e971d53/2c9c17809719410e90a86771d9b3155c/FLAG79ad2d072 [2021-11-23 00:28:29,063 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:28:29,064 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c [2021-11-23 00:28:29,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/82e971d53/2c9c17809719410e90a86771d9b3155c/FLAG79ad2d072 [2021-11-23 00:28:29,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/data/82e971d53/2c9c17809719410e90a86771d9b3155c [2021-11-23 00:28:29,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:28:29,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:28:29,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:29,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:28:29,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:28:29,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e67cfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29, skipping insertion in model container [2021-11-23 00:28:29,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:28:29,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:29,700 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-11-23 00:28:29,709 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:29,721 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 00:28:29,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:28:29,743 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-11-23 00:28:29,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:29,757 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:28:29,796 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_4b5f95c3-1df6-41c8-b896-4681f0552c11/sv-benchmarks/c/weaver/popl20-more-dec-subseq.wvr.c[2924,2937] [2021-11-23 00:28:29,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:28:29,833 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:28:29,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29 WrapperNode [2021-11-23 00:28:29,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:28:29,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:29,836 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:28:29,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:28:29,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,897 INFO L137 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2021-11-23 00:28:29,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:28:29,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:28:29,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:28:29,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:28:29,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:28:29,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:28:29,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:28:29,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:28:29,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:28:29" (1/1) ... [2021-11-23 00:28:29,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:28:29,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:28:30,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:28:30,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:28:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:28:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:28:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:28:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 00:28:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 00:28:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:28:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 00:28:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 00:28:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 00:28:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 00:28:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:28:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:28:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:28:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:28:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:28:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:28:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:28:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:28:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:28:30,081 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 00:28:30,218 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:28:30,220 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:28:30,480 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:28:30,636 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:28:30,637 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:28:30,641 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L51 is neither atomic block end nor a sink node. [2021-11-23 00:28:30,642 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 00:28:30,649 INFO L158 Benchmark]: Toolchain (without parser) took 1210.68ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.2MB in the beginning and 32.4MB in the end (delta: -3.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,649 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:28:30,651 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.21ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.9MB in the beginning and 43.9MB in the end (delta: -14.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,652 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.15ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 42.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,653 INFO L158 Benchmark]: Boogie Preprocessor took 72.80ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 40.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,654 INFO L158 Benchmark]: RCFGBuilder took 673.83ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 32.4MB in the end (delta: 8.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2021-11-23 00:28:30,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 52.4MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.21ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.9MB in the beginning and 43.9MB in the end (delta: -14.9MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.15ms. Allocated memory is still 65.0MB. Free memory was 43.9MB in the beginning and 42.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.80ms. Allocated memory is still 65.0MB. Free memory was 42.2MB in the beginning and 40.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 673.83ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 32.4MB in the end (delta: 8.1MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:28:30,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b5f95c3-1df6-41c8-b896-4681f0552c11/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?