./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/nr5.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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/nr5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:40,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:40,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:40,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:40,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:40,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:40,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:40,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:40,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:40,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:40,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:40,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:40,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:40,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:40,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:40,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:40,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:40,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:40,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:40,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:40,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:40,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:40,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:40,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:40,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:40,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:40,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:40,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:40,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:40,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:40,861 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:40,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:40,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:40,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:40,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:40,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:40,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:40,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:40,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:40,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:40,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:40,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:40,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:40,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:40,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:40,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:40,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:40,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:40,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:40,926 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:40,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:40,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:40,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:40,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:40,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:40,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:40,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:40,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:40,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:40,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:40,928 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:40,928 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:40,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:40,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:40,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:40,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:40,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:40,929 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:40,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:40,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:40,930 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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 [2021-11-23 15:50:41,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:41,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:41,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:41,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:41,202 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:41,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/nr5.c [2021-11-23 15:50:41,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/08cc7a998/412960e999a844b49aee444e409ec172/FLAGe317b4cee [2021-11-23 15:50:41,723 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:41,723 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/sv-benchmarks/c/array-tiling/nr5.c [2021-11-23 15:50:41,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/08cc7a998/412960e999a844b49aee444e409ec172/FLAGe317b4cee [2021-11-23 15:50:42,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/08cc7a998/412960e999a844b49aee444e409ec172 [2021-11-23 15:50:42,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:42,128 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:42,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:42,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:42,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:42,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b127ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42, skipping insertion in model container [2021-11-23 15:50:42,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:42,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:42,327 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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2021-11-23 15:50:42,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:42,363 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:42,387 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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2021-11-23 15:50:42,403 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:42,416 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:42,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42 WrapperNode [2021-11-23 15:50:42,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:42,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:42,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:42,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:42,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,456 INFO L137 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2021-11-23 15:50:42,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:42,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:42,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:42,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:42,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:42,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:42,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:42,513 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:42,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:42" (1/1) ... [2021-11-23 15:50:42,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:42,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:42,548 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:42,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:42,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:50:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:42,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:50:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:42,680 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:42,682 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:42,830 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:42,845 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 15:50:42,850 INFO L158 Benchmark]: Toolchain (without parser) took 721.27ms. Allocated memory is still 123.7MB. Free memory was 94.2MB in the beginning and 83.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,851 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:42,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.74ms. Allocated memory is still 123.7MB. Free memory was 94.0MB in the beginning and 97.7MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.50ms. Allocated memory is still 123.7MB. Free memory was 97.7MB in the beginning and 95.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,854 INFO L158 Benchmark]: Boogie Preprocessor took 52.59ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,855 INFO L158 Benchmark]: RCFGBuilder took 335.40ms. Allocated memory is still 123.7MB. Free memory was 94.8MB in the beginning and 83.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:42,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 123.7MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.74ms. Allocated memory is still 123.7MB. Free memory was 94.0MB in the beginning and 97.7MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.50ms. Allocated memory is still 123.7MB. Free memory was 97.7MB in the beginning and 95.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.59ms. Allocated memory is still 123.7MB. Free memory was 95.9MB in the beginning and 94.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.40ms. Allocated memory is still 123.7MB. Free memory was 94.8MB in the beginning and 83.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. 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 15:50:42,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/nr5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:45,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:45,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:45,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:45,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:45,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:45,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:45,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:45,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:45,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:45,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:45,433 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:45,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:45,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:45,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:45,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:45,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:45,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:45,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:45,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:45,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:45,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:45,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:45,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:45,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:45,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:45,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:45,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:45,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:45,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:45,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:45,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:45,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:45,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:45,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:45,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:45,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:45,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:45,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:45,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:45,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:45,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:45,525 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:45,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:45,527 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:45,527 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:45,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:45,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:45,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:45,529 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:45,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:45,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:45,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:45,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:45,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:45,531 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:45,531 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:45,532 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:45,532 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:45,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:45,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:45,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:45,533 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:45,533 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:45,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:45,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:45,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:45,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:45,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:45,534 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:45,535 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:45,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:45,535 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:45,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:45,536 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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 [2021-11-23 15:50:45,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:45,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:45,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:45,939 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:45,940 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:45,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/nr5.c [2021-11-23 15:50:46,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/b66ac8448/c9da52ce7be04263be62b9cd0ba0ffc4/FLAGc50c1696c [2021-11-23 15:50:46,621 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:46,622 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/sv-benchmarks/c/array-tiling/nr5.c [2021-11-23 15:50:46,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/b66ac8448/c9da52ce7be04263be62b9cd0ba0ffc4/FLAGc50c1696c [2021-11-23 15:50:46,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/data/b66ac8448/c9da52ce7be04263be62b9cd0ba0ffc4 [2021-11-23 15:50:46,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:46,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:46,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:46,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:46,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:46,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:46" (1/1) ... [2021-11-23 15:50:46,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b476ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:46, skipping insertion in model container [2021-11-23 15:50:46,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:46" (1/1) ... [2021-11-23 15:50:46,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:46,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:47,121 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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2021-11-23 15:50:47,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:47,150 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:47,164 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_555c1a89-2f30-4942-9d90-9b7f5438b5ac/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2021-11-23 15:50:47,173 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:47,188 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:47,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47 WrapperNode [2021-11-23 15:50:47,188 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:47,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:47,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:47,191 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:47,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,223 INFO L137 Inliner]: procedures = 17, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2021-11-23 15:50:47,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:47,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:47,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:47,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:47,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:47,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:47,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:47,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:47,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:47" (1/1) ... [2021-11-23 15:50:47,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:47,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:47,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:47,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:47,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:50:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:50:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:47,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:50:47,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:50:47,438 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:47,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:47,857 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:47,878 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 15:50:47,887 INFO L158 Benchmark]: Toolchain (without parser) took 939.36ms. Allocated memory is still 69.2MB. Free memory was 50.4MB in the beginning and 43.9MB in the end (delta: 6.5MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-23 15:50:47,888 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:47,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.92ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 39.4MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:50:47,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.35ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:47,892 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 69.2MB. Free memory was 37.8MB in the beginning and 36.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:47,894 INFO L158 Benchmark]: RCFGBuilder took 629.55ms. Allocated memory is still 69.2MB. Free memory was 36.3MB in the beginning and 43.9MB in the end (delta: -7.5MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-23 15:50:47,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.92ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 39.4MB in the end (delta: 10.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.35ms. Allocated memory is still 69.2MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 69.2MB. Free memory was 37.8MB in the beginning and 36.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 629.55ms. Allocated memory is still 69.2MB. Free memory was 36.3MB in the beginning and 43.9MB in the end (delta: -7.5MB). Peak memory consumption was 10.4MB. 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 15:50:47,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_555c1a89-2f30-4942-9d90-9b7f5438b5ac/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