./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-figure1.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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:31,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:31,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:31,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:31,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:31,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:31,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:31,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:31,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:31,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:31,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:31,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:31,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:31,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:31,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:31,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:31,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:31,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:31,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:31,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:31,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:31,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:31,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:31,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:31,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:31,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:31,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:31,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:31,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:31,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:31,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:31,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:31,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:31,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:31,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:31,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:31,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:31,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:31,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:31,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:31,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:31,735 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:44:31,765 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:31,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:31,766 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:44:31,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:44:31,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:31,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:31,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:31,768 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:31,768 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:44:31,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:31,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:31,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:44:31,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:31,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:44:31,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:31,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:44:31,770 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:31,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:44:31,771 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:31,771 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:31,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:31,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:31,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:31,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:31,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:44:31,772 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:44:31,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:44:31,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:44:31,773 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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 [2021-11-23 01:44:32,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:32,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:32,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:32,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:32,117 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:32,119 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2021-11-23 01:44:32,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/8bcec4d4d/48b14c920b9d4a9db7ef3875836de86b/FLAG4aa9f8b4e [2021-11-23 01:44:32,675 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:32,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2021-11-23 01:44:32,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/8bcec4d4d/48b14c920b9d4a9db7ef3875836de86b/FLAG4aa9f8b4e [2021-11-23 01:44:33,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/8bcec4d4d/48b14c920b9d4a9db7ef3875836de86b [2021-11-23 01:44:33,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:33,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:33,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:33,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:33,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:33,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73682aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33, skipping insertion in model container [2021-11-23 01:44:33,056 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:33,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:33,294 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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2021-11-23 01:44:33,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:33,308 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:33,331 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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2021-11-23 01:44:33,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:33,349 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:33,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33 WrapperNode [2021-11-23 01:44:33,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:33,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:33,352 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:33,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:33,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,404 INFO L137 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2021-11-23 01:44:33,404 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:33,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:33,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:33,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:33,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:33,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:33,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:33,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:33,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:33" (1/1) ... [2021-11-23 01:44:33,480 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:33,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:33,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:33,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:33,569 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:44:33,570 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:44:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:44:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:44:33,571 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:44:33,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:44:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:44:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:44:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:44:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:44:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:44:33,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:33,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:44:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:33,575 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 01:44:33,656 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:33,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:33,807 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:33,848 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:33,848 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:44:33,849 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-23 01:44:33,854 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 01:44:33,859 INFO L158 Benchmark]: Toolchain (without parser) took 823.04ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.8MB in the beginning and 65.4MB in the end (delta: -15.6MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2021-11-23 01:44:33,860 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 86.0MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:33,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.69ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 80.7MB in the end (delta: -31.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-23 01:44:33,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.97ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:33,862 INFO L158 Benchmark]: Boogie Preprocessor took 61.06ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:33,863 INFO L158 Benchmark]: RCFGBuilder took 389.79ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 65.4MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:44:33,867 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 86.0MB. Free memory was 66.5MB in the beginning and 66.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 300.69ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 49.5MB in the beginning and 80.7MB in the end (delta: -31.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.97ms. Allocated memory is still 104.9MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.06ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 77.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.79ms. Allocated memory is still 104.9MB. Free memory was 77.9MB in the beginning and 65.4MB in the end (delta: 12.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:44:33,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:44:36,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:44:36,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:44:36,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:44:36,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:44:36,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:44:36,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:44:36,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:44:36,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:44:36,626 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:44:36,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:44:36,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:44:36,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:44:36,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:44:36,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:44:36,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:44:36,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:44:36,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:44:36,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:44:36,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:44:36,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:44:36,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:44:36,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:44:36,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:44:36,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:44:36,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:44:36,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:44:36,681 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:44:36,682 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:44:36,683 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:44:36,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:44:36,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:44:36,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:44:36,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:44:36,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:44:36,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:44:36,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:44:36,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:44:36,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:44:36,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:44:36,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:44:36,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:44:36,751 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:44:36,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:44:36,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:44:36,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:44:36,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:44:36,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:44:36,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:44:36,756 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:44:36,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:44:36,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:44:36,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:44:36,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:44:36,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:44:36,759 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:44:36,759 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:44:36,759 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:44:36,759 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:44:36,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:44:36,760 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:44:36,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:44:36,760 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:44:36,760 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:44:36,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:44:36,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:36,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:44:36,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:44:36,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:44:36,762 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:44:36,762 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:44:36,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:44:36,763 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:44:36,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:44:36,764 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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33cf58268090640beca4b79cf718f2ee2d6c29dee3e4b3e200f8bf0a7c295123 [2021-11-23 01:44:37,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:44:37,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:44:37,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:44:37,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:44:37,291 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:44:37,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2021-11-23 01:44:37,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/eac89226f/46d5b4035a8d47b08254917016054a44/FLAGe33571e41 [2021-11-23 01:44:38,011 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:44:38,014 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/sv-benchmarks/c/weaver/popl20-figure1.wvr.c [2021-11-23 01:44:38,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/eac89226f/46d5b4035a8d47b08254917016054a44/FLAGe33571e41 [2021-11-23 01:44:38,347 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/data/eac89226f/46d5b4035a8d47b08254917016054a44 [2021-11-23 01:44:38,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:44:38,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:44:38,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:38,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:44:38,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:44:38,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e351f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38, skipping insertion in model container [2021-11-23 01:44:38,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:44:38,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:44:38,558 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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2021-11-23 01:44:38,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:38,576 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:44:38,600 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_14c7a9e5-7271-442b-b473-fa0c1c1f2093/sv-benchmarks/c/weaver/popl20-figure1.wvr.c[1991,2004] [2021-11-23 01:44:38,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:44:38,619 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:44:38,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38 WrapperNode [2021-11-23 01:44:38,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:44:38,622 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:38,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:44:38,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:44:38,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,681 INFO L137 Inliner]: procedures = 23, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-23 01:44:38,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:44:38,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:44:38,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:44:38,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:44:38,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:44:38,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:44:38,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:44:38,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:44:38,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:44:38" (1/1) ... [2021-11-23 01:44:38,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:44:38,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:44:38,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:44:38,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:44:38,794 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:44:38,794 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:44:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:44:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:44:38,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:44:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:44:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:44:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:44:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:44:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:44:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:44:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:44:38,798 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 01:44:38,880 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:44:38,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:44:39,129 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:44:39,217 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:44:39,218 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:44:39,220 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-23 01:44:39,221 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 01:44:39,228 INFO L158 Benchmark]: Toolchain (without parser) took 875.00ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 30.3MB in the end (delta: 10.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 01:44:39,230 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:44:39,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.91ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 30.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:44:39,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.35ms. Allocated memory is still 60.8MB. Free memory was 30.1MB in the beginning and 44.2MB in the end (delta: -14.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:39,234 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 60.8MB. Free memory was 44.2MB in the beginning and 43.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:44:39,235 INFO L158 Benchmark]: RCFGBuilder took 507.08ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 30.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:44:39,239 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 60.8MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.91ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 30.1MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.35ms. Allocated memory is still 60.8MB. Free memory was 30.1MB in the beginning and 44.2MB in the end (delta: -14.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 60.8MB. Free memory was 44.2MB in the beginning and 43.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.08ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 30.3MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. 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 01:44:39,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14c7a9e5-7271-442b-b473-fa0c1c1f2093/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 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?