./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/pr4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu --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 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:41,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:41,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:41,536 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:41,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:41,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:41,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:41,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:41,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:41,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:41,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:41,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:41,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:41,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:41,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:41,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:41,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:41,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:41,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:41,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:41,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:41,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:41,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:41,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:41,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:41,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:41,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:41,583 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:41,584 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:41,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:41,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:41,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:41,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:41,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:41,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:41,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:41,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:41,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:41,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:41,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:41,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:41,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:41,657 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:41,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:41,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:41,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:41,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:41,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:41,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:41,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:41,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:41,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:41,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:41,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:41,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:41,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:41,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:41,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:41,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:41,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:41,666 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:41,666 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:41,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:41,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:41,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:41,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:41,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:41,668 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:41,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:41,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:41,669 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_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f [2021-11-23 15:54:42,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:42,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:42,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:42,064 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:42,065 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:42,067 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/pr4.c [2021-11-23 15:54:42,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/ace6b88f2/f96f493e6fb244019a853480ea9cc934/FLAG5ecb6cbe0 [2021-11-23 15:54:42,804 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:42,805 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/sv-benchmarks/c/array-tiling/pr4.c [2021-11-23 15:54:42,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/ace6b88f2/f96f493e6fb244019a853480ea9cc934/FLAG5ecb6cbe0 [2021-11-23 15:54:43,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/ace6b88f2/f96f493e6fb244019a853480ea9cc934 [2021-11-23 15:54:43,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:43,151 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:43,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:43,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:43,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:43,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,172 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11be7519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43, skipping insertion in model container [2021-11-23 15:54:43,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:43,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:43,408 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_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2021-11-23 15:54:43,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:43,440 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:43,455 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_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2021-11-23 15:54:43,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:43,494 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:43,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43 WrapperNode [2021-11-23 15:54:43,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:43,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:43,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:43,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:43,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,540 INFO L137 Inliner]: procedures = 15, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 83 [2021-11-23 15:54:43,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:43,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:43,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:43,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:43,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:43,597 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:43,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:43,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:43,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:43" (1/1) ... [2021-11-23 15:54:43,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:43,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:43,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:43,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:54:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:43,782 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:43,783 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:43,974 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:43,994 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:54:43,999 INFO L158 Benchmark]: Toolchain (without parser) took 846.91ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 79.2MB in the beginning and 113.1MB in the end (delta: -33.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 15:54:44,000 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:44,001 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.83ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 79.0MB in the beginning and 127.8MB in the end (delta: -48.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:44,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.35ms. Allocated memory is still 153.1MB. Free memory was 127.8MB in the beginning and 126.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:44,003 INFO L158 Benchmark]: Boogie Preprocessor took 53.98ms. Allocated memory is still 153.1MB. Free memory was 126.1MB in the beginning and 124.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:44,005 INFO L158 Benchmark]: RCFGBuilder took 399.99ms. Allocated memory is still 153.1MB. Free memory was 124.6MB in the beginning and 113.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:44,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.83ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 79.0MB in the beginning and 127.8MB in the end (delta: -48.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.35ms. Allocated memory is still 153.1MB. Free memory was 127.8MB in the beginning and 126.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.98ms. Allocated memory is still 153.1MB. Free memory was 126.1MB in the beginning and 124.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 399.99ms. Allocated memory is still 153.1MB. Free memory was 124.6MB in the beginning and 113.1MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:44,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/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_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pr4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu --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 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:46,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:46,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:46,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:46,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:46,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:46,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:46,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:46,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:46,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:46,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:46,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:46,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:46,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:46,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:46,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:46,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:46,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:46,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:46,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:46,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:46,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:46,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:46,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:46,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:46,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:46,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:46,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:46,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:46,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:46,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:46,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:46,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:46,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:46,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:46,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:46,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:46,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:46,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:46,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:46,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:46,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:46,822 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:46,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:46,824 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:46,824 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:46,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:46,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:46,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:46,827 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:46,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:46,828 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:46,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:46,829 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:46,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:46,830 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:46,831 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:46,831 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:46,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:46,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:46,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:46,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:46,833 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:46,833 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:46,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:46,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:46,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:46,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:46,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:46,835 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:46,835 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:46,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:46,836 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:46,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:46,837 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_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14a75e050103eb09182e049a798a738dec478e3acaa4fb01ae8649b715b8362f [2021-11-23 15:54:47,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:47,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:47,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:47,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:47,350 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:47,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/pr4.c [2021-11-23 15:54:47,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/2febdb676/a29ce5a51c1f41a0b85d658329d40a0c/FLAG0c22c151b [2021-11-23 15:54:48,048 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:48,049 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/sv-benchmarks/c/array-tiling/pr4.c [2021-11-23 15:54:48,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/2febdb676/a29ce5a51c1f41a0b85d658329d40a0c/FLAG0c22c151b [2021-11-23 15:54:48,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/data/2febdb676/a29ce5a51c1f41a0b85d658329d40a0c [2021-11-23 15:54:48,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:48,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:48,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:48,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:48,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:48,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e07d413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48, skipping insertion in model container [2021-11-23 15:54:48,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:48,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:48,659 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_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2021-11-23 15:54:48,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:48,718 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:48,757 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_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/sv-benchmarks/c/array-tiling/pr4.c[394,407] [2021-11-23 15:54:48,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:48,795 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:48,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48 WrapperNode [2021-11-23 15:54:48,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:48,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:48,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:48,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:48,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,848 INFO L137 Inliner]: procedures = 17, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 82 [2021-11-23 15:54:48,849 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:48,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:48,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:48,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:48,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,865 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:48,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:48,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:48,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:48,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:48" (1/1) ... [2021-11-23 15:54:48,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:48,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:48,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:48,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:49,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:54:49,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:49,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:54:49,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:49,094 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:49,096 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:49,391 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:49,414 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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 15:54:49,432 INFO L158 Benchmark]: Toolchain (without parser) took 994.52ms. Allocated memory is still 92.3MB. Free memory was 70.5MB in the beginning and 60.1MB in the end (delta: 10.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:49,433 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:49,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.50ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 75.6MB in the end (delta: -5.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:54:49,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.62ms. Allocated memory is still 92.3MB. Free memory was 75.3MB in the beginning and 73.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:49,436 INFO L158 Benchmark]: Boogie Preprocessor took 55.54ms. Allocated memory is still 92.3MB. Free memory was 73.6MB in the beginning and 72.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:49,438 INFO L158 Benchmark]: RCFGBuilder took 523.92ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 60.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:54:49,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 50.3MB. Free memory was 30.2MB in the beginning and 30.1MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.50ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 75.6MB in the end (delta: -5.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.62ms. Allocated memory is still 92.3MB. Free memory was 75.3MB in the beginning and 73.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 55.54ms. Allocated memory is still 92.3MB. Free memory was 73.6MB in the beginning and 72.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.92ms. Allocated memory is still 92.3MB. Free memory was 72.2MB in the beginning and 60.1MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:54:49,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd3a4ab8-9861-48e0-8da3-148f035dbd8d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable