./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/pr2.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_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/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_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/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_dc90af3a-7a85-408c-8334-eae8e918db76/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 5922a5be589e27d89439744489152c928c7510f0140c8b0fb4d1faadee969752 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:51,650 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:51,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:51,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:51,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:51,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:51,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:51,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:51,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:51,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:51,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:51,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:51,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:51,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:51,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:51,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:51,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:51,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:51,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:51,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:51,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:51,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:51,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:51,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:51,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:51,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:51,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:51,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:51,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:51,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:51,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:51,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:51,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:51,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:51,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:51,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:51,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:51,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:51,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:51,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:51,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:51,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:51,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:51,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:51,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:51,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:51,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:51,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:51,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:51,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:51,790 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:51,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:51,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:51,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:51,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:51,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:51,792 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:51,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:51,792 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:51,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:51,793 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:51,793 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:51,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:51,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:51,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:51,794 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:51,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:51,794 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:51,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:51,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:51,794 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_dc90af3a-7a85-408c-8334-eae8e918db76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5922a5be589e27d89439744489152c928c7510f0140c8b0fb4d1faadee969752 [2021-11-23 15:03:52,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:52,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:52,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:52,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:52,099 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:52,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/pr2.c [2021-11-23 15:03:52,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/17d3847d9/2bd77db02d27439390e712907270eb3f/FLAG39308707b [2021-11-23 15:03:52,757 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:52,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/sv-benchmarks/c/array-tiling/pr2.c [2021-11-23 15:03:52,769 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/17d3847d9/2bd77db02d27439390e712907270eb3f/FLAG39308707b [2021-11-23 15:03:53,100 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/17d3847d9/2bd77db02d27439390e712907270eb3f [2021-11-23 15:03:53,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:53,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:53,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:53,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:53,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:53,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d13150e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53, skipping insertion in model container [2021-11-23 15:03:53,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:53,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:53,308 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_dc90af3a-7a85-408c-8334-eae8e918db76/sv-benchmarks/c/array-tiling/pr2.c[394,407] [2021-11-23 15:03:53,326 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:53,335 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:53,348 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_dc90af3a-7a85-408c-8334-eae8e918db76/sv-benchmarks/c/array-tiling/pr2.c[394,407] [2021-11-23 15:03:53,357 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:53,370 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:53,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53 WrapperNode [2021-11-23 15:03:53,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:53,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:53,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:53,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:53,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,433 INFO L137 Inliner]: procedures = 15, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2021-11-23 15:03:53,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:53,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:53,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:53,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:53,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,445 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:53,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:53,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:53,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:53,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:53" (1/1) ... [2021-11-23 15:03:53,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:53,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:53,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:53,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:53,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:03:53,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:03:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:53,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:03:53,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:53,644 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:53,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:53,839 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:53,854 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 15:03:53,859 INFO L158 Benchmark]: Toolchain (without parser) took 753.03ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 71.6MB in the end (delta: 4.6MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:53,860 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:53,861 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.24ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 85.3MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:53,861 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.41ms. Allocated memory is still 109.1MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:53,862 INFO L158 Benchmark]: Boogie Preprocessor took 46.40ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 82.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:53,863 INFO L158 Benchmark]: RCFGBuilder took 375.03ms. Allocated memory is still 109.1MB. Free memory was 82.6MB in the beginning and 71.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:53,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 75.5MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.24ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 85.3MB in the end (delta: -9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.41ms. Allocated memory is still 109.1MB. Free memory was 85.3MB in the beginning and 84.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.40ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 82.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.03ms. Allocated memory is still 109.1MB. Free memory was 82.6MB in the beginning and 71.6MB in the end (delta: 11.1MB). 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 15:03:53,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/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_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/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_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/pr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/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_dc90af3a-7a85-408c-8334-eae8e918db76/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 5922a5be589e27d89439744489152c928c7510f0140c8b0fb4d1faadee969752 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:56,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:56,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:56,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:56,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:56,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:56,421 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:56,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:56,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:56,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:56,438 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:56,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:56,440 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:56,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:56,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:56,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:56,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:56,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:56,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:56,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:56,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:56,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:56,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:56,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:56,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:56,481 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:56,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:56,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:56,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:56,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:56,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:56,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:56,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:56,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:56,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:56,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:56,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:56,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:56,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:56,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:56,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:56,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:56,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:56,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:56,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:56,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:56,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:56,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:56,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:56,543 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:56,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:56,544 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:56,545 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:56,545 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:56,545 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:56,546 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:56,546 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:56,546 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:56,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:56,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:56,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:56,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:56,547 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:56,548 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:56,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:56,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:56,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:56,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:56,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:56,549 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:56,549 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:56,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:56,550 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:56,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:56,550 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_dc90af3a-7a85-408c-8334-eae8e918db76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5922a5be589e27d89439744489152c928c7510f0140c8b0fb4d1faadee969752 [2021-11-23 15:03:56,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:56,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:56,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:56,993 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:56,993 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:56,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/pr2.c [2021-11-23 15:03:57,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/9cafa0b48/216c3d1f8cc644dca5975fbcd8359f60/FLAG9da5a1061 [2021-11-23 15:03:57,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:57,665 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/sv-benchmarks/c/array-tiling/pr2.c [2021-11-23 15:03:57,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/9cafa0b48/216c3d1f8cc644dca5975fbcd8359f60/FLAG9da5a1061 [2021-11-23 15:03:58,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/data/9cafa0b48/216c3d1f8cc644dca5975fbcd8359f60 [2021-11-23 15:03:58,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:58,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:58,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:58,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:58,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:58,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bbefb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58, skipping insertion in model container [2021-11-23 15:03:58,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:58,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:58,240 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_dc90af3a-7a85-408c-8334-eae8e918db76/sv-benchmarks/c/array-tiling/pr2.c[394,407] [2021-11-23 15:03:58,258 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:58,269 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:58,284 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_dc90af3a-7a85-408c-8334-eae8e918db76/sv-benchmarks/c/array-tiling/pr2.c[394,407] [2021-11-23 15:03:58,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:58,323 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:58,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58 WrapperNode [2021-11-23 15:03:58,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:58,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:58,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:58,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:58,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,401 INFO L137 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2021-11-23 15:03:58,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:58,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:58,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:58,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:58,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:58,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:58,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:58,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:58,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:58,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:58,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:58,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:03:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:03:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:03:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:03:58,593 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:58,594 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:58,861 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:58,881 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 15:03:58,890 INFO L158 Benchmark]: Toolchain (without parser) took 858.91ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 29.0MB in the end (delta: 9.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:58,892 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:58,893 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.77ms. Allocated memory is still 60.8MB. Free memory was 37.7MB in the beginning and 43.6MB in the end (delta: -5.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:58,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.92ms. Allocated memory is still 60.8MB. Free memory was 43.6MB in the beginning and 41.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:58,896 INFO L158 Benchmark]: Boogie Preprocessor took 25.61ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 40.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:58,898 INFO L158 Benchmark]: RCFGBuilder took 459.70ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 29.0MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:58,902 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.77ms. Allocated memory is still 60.8MB. Free memory was 37.7MB in the beginning and 43.6MB in the end (delta: -5.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.92ms. Allocated memory is still 60.8MB. Free memory was 43.6MB in the beginning and 41.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.61ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 40.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 459.70ms. Allocated memory is still 60.8MB. Free memory was 40.7MB in the beginning and 29.0MB in the end (delta: 11.7MB). 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 15:03:58,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc90af3a-7a85-408c-8334-eae8e918db76/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