./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.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_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/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_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/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_b5e23176-6031-4349-a4bc-026e69c42f9b/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 29fee1864b0d56497c32cb33e6aaa24ed5707e21c5b89ec418c6707c5ac52336 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:33,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:33,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:33,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:33,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:33,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:33,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:33,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:33,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:33,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:33,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:33,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:33,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:33,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:33,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:33,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:33,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:33,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:33,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:33,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:33,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:33,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:33,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:33,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:33,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:33,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:33,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:33,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:33,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:33,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:33,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:33,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:33,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:33,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:33,630 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:33,630 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:33,631 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:33,631 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:33,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:33,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:33,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:33,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:01:33,678 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:33,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:33,679 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:01:33,680 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:01:33,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:33,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:33,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:33,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:33,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:01:33,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:33,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:33,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:01:33,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:33,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:01:33,697 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:33,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:01:33,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:33,697 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:01:33,698 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:33,698 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:33,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:33,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:33,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:33,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:33,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:01:33,699 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:01:33,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:01:33,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:01:33,700 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_b5e23176-6031-4349-a4bc-026e69c42f9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29fee1864b0d56497c32cb33e6aaa24ed5707e21c5b89ec418c6707c5ac52336 [2021-11-23 01:01:33,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:34,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:34,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:34,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:34,010 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:34,012 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2021-11-23 01:01:34,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/4c275ce2e/3dab54d99e4e4edfa87f75e7efe81515/FLAG0e16fb004 [2021-11-23 01:01:34,554 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:34,556 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2021-11-23 01:01:34,564 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/4c275ce2e/3dab54d99e4e4edfa87f75e7efe81515/FLAG0e16fb004 [2021-11-23 01:01:34,927 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/4c275ce2e/3dab54d99e4e4edfa87f75e7efe81515 [2021-11-23 01:01:34,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:34,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:34,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:34,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:34,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:34,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:34" (1/1) ... [2021-11-23 01:01:34,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61397ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:34, skipping insertion in model container [2021-11-23 01:01:34,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:34" (1/1) ... [2021-11-23 01:01:34,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:34,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:35,194 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_b5e23176-6031-4349-a4bc-026e69c42f9b/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2021-11-23 01:01:35,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:35,212 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:35,246 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_b5e23176-6031-4349-a4bc-026e69c42f9b/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2021-11-23 01:01:35,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:35,267 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:35,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35 WrapperNode [2021-11-23 01:01:35,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:35,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:35,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:35,270 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:35,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,329 INFO L137 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 145 [2021-11-23 01:01:35,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:35,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:35,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:35,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:35,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:35,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:35,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:35,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:35,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:35" (1/1) ... [2021-11-23 01:01:35,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:35,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:35,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:35,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:01:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:01:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:01:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:01:35,444 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:01:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:01:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:01:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:01:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:01:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:01:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:01:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:01:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:01:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:01:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:01:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:01:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:01:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:01:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:01:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:01:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:35,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:35,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:01:35,448 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 01:01:35,574 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:35,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:36,061 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:36,233 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:36,234 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 01:01:36,235 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-23 01:01:36,235 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:01:36,240 INFO L158 Benchmark]: Toolchain (without parser) took 1305.77ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 36.9MB in the end (delta: 28.2MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-11-23 01:01:36,244 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 73.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:36,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.04ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 73.1MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:01:36,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.57ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 71.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:36,248 INFO L158 Benchmark]: Boogie Preprocessor took 39.83ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:36,249 INFO L158 Benchmark]: RCFGBuilder took 867.21ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 36.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2021-11-23 01:01:36,254 INFO L339 ainManager$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 100.7MB. Free memory was 73.6MB in the beginning and 73.6MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.04ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 73.1MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.57ms. Allocated memory is still 100.7MB. Free memory was 73.1MB in the beginning and 71.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.83ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 867.21ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 36.9MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. 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 01:01:36,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/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_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/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_b5e23176-6031-4349-a4bc-026e69c42f9b/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 29fee1864b0d56497c32cb33e6aaa24ed5707e21c5b89ec418c6707c5ac52336 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:01:38,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:01:38,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:01:38,785 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:01:38,786 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:01:38,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:01:38,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:01:38,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:01:38,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:01:38,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:01:38,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:01:38,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:01:38,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:01:38,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:01:38,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:01:38,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:01:38,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:01:38,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:01:38,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:01:38,832 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:01:38,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:01:38,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:01:38,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:01:38,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:01:38,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:01:38,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:01:38,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:01:38,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:01:38,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:01:38,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:01:38,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:01:38,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:01:38,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:01:38,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:01:38,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:01:38,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:01:38,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:01:38,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:01:38,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:01:38,867 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:01:38,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:01:38,868 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:01:38,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:01:38,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:01:38,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:01:38,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:01:38,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:01:38,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:01:38,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:01:38,920 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:01:38,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:01:38,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:01:38,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:01:38,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:01:38,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:01:38,922 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:01:38,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:01:38,922 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:01:38,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:01:38,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:01:38,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:01:38,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:01:38,923 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:01:38,924 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:01:38,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:01:38,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:38,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:01:38,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:01:38,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:01:38,925 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:01:38,925 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:01:38,925 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:01:38,925 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:01:38,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:01:38,926 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_b5e23176-6031-4349-a4bc-026e69c42f9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29fee1864b0d56497c32cb33e6aaa24ed5707e21c5b89ec418c6707c5ac52336 [2021-11-23 01:01:39,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:01:39,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:01:39,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:01:39,309 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:01:39,312 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:01:39,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2021-11-23 01:01:39,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/d0a1078c4/e4fe5334343949688e21a85ba622f30f/FLAG3b82709e9 [2021-11-23 01:01:39,949 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:01:39,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c [2021-11-23 01:01:39,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/d0a1078c4/e4fe5334343949688e21a85ba622f30f/FLAG3b82709e9 [2021-11-23 01:01:40,255 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/data/d0a1078c4/e4fe5334343949688e21a85ba622f30f [2021-11-23 01:01:40,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:01:40,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:01:40,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:40,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:01:40,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:01:40,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d913d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40, skipping insertion in model container [2021-11-23 01:01:40,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:01:40,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:40,545 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_b5e23176-6031-4349-a4bc-026e69c42f9b/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2021-11-23 01:01:40,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:40,567 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 01:01:40,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:01:40,598 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_b5e23176-6031-4349-a4bc-026e69c42f9b/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2021-11-23 01:01:40,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:40,609 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:01:40,643 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_b5e23176-6031-4349-a4bc-026e69c42f9b/sv-benchmarks/c/weaver/popl20-prod-cons-eq.wvr.c[4380,4393] [2021-11-23 01:01:40,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:01:40,666 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:01:40,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40 WrapperNode [2021-11-23 01:01:40,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:01:40,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:40,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:01:40,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:01:40,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,739 INFO L137 Inliner]: procedures = 30, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 137 [2021-11-23 01:01:40,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:01:40,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:01:40,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:01:40,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:01:40,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:01:40,820 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:01:40,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:01:40,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:01:40,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:01:40" (1/1) ... [2021-11-23 01:01:40,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:01:40,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:01:40,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:01:40,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:01:40,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:01:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 01:01:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:01:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:01:40,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:01:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2021-11-23 01:01:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2021-11-23 01:01:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:01:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:01:40,914 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-23 01:01:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-23 01:01:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-23 01:01:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-23 01:01:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-11-23 01:01:40,915 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-11-23 01:01:40,915 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:01:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:01:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:01:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:01:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:01:40,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:01:40,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:01:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 01:01:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:01:40,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:01:40,919 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 01:01:41,033 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:01:41,035 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:01:41,612 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:01:41,877 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:01:41,900 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 01:01:41,901 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L53 is neither atomic block end nor a sink node. [2021-11-23 01:01:41,902 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:01:41,906 INFO L158 Benchmark]: Toolchain (without parser) took 1645.16ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 51.2MB in the beginning and 74.4MB in the end (delta: -23.2MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2021-11-23 01:01:41,907 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 69.2MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:01:41,907 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.98ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 47.5MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:01:41,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.73ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 45.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:41,909 INFO L158 Benchmark]: Boogie Preprocessor took 78.48ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:01:41,910 INFO L158 Benchmark]: RCFGBuilder took 1084.39ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.2MB in the beginning and 74.4MB in the end (delta: -31.2MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-11-23 01:01:41,913 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 69.2MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.98ms. Allocated memory is still 69.2MB. Free memory was 51.1MB in the beginning and 47.5MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.73ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 45.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.48ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1084.39ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.2MB in the beginning and 74.4MB in the end (delta: -31.2MB). Peak memory consumption was 27.6MB. 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 01:01:41,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5e23176-6031-4349-a4bc-026e69c42f9b/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?