./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/rewrev.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_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/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_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/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_3af3cc02-135b-4367-8680-2a9929c33823/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 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:00,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:00,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:00,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:00,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:00,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:00,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:00,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:00,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:00,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:00,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:00,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:00,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:00,847 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:00,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:00,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:00,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:00,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:00,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:00,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:00,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:00,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:00,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:00,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:00,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:00,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:00,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:00,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:00,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:00,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:00,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:00,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:00,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:00,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:00,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:00,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:00,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:00,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:00,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:00,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:00,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:00,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:00,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:00,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:00,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:00,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:00,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:00,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:00,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:00,928 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:00,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:00,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:00,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:00,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:00,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:00,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:00,929 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:00,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:00,930 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:00,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:00,930 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:00,930 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:00,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:00,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:00,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:00,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:00,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:00,932 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:00,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:00,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:00,932 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_3af3cc02-135b-4367-8680-2a9929c33823/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f [2021-11-23 15:05:01,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:01,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:01,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:01,215 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:01,216 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:01,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/rewrev.c [2021-11-23 15:05:01,287 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/17796fa2c/8ccd0a9fc2554c8d990c6c947f4189fa/FLAGb28345334 [2021-11-23 15:05:01,819 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:01,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/sv-benchmarks/c/array-tiling/rewrev.c [2021-11-23 15:05:01,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/17796fa2c/8ccd0a9fc2554c8d990c6c947f4189fa/FLAGb28345334 [2021-11-23 15:05:02,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/17796fa2c/8ccd0a9fc2554c8d990c6c947f4189fa [2021-11-23 15:05:02,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:02,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:02,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:02,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:02,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:02,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4db225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02, skipping insertion in model container [2021-11-23 15:05:02,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:02,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:02,382 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_3af3cc02-135b-4367-8680-2a9929c33823/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2021-11-23 15:05:02,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:02,422 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:02,438 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_3af3cc02-135b-4367-8680-2a9929c33823/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2021-11-23 15:05:02,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:02,473 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:02,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02 WrapperNode [2021-11-23 15:05:02,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:02,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:02,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:02,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:02,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,510 INFO L137 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2021-11-23 15:05:02,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:02,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:02,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:02,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:02,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,528 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,533 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:02,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:02,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:02,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:02,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:02,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:02,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:02,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:02,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:05:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:02,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:02,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:05:02,699 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:02,701 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:02,849 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:02,869 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 15:05:02,874 INFO L158 Benchmark]: Toolchain (without parser) took 688.25ms. Allocated memory is still 111.1MB. Free memory was 79.0MB in the beginning and 72.2MB in the end (delta: 6.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,875 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:02,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.46ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 84.8MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.77ms. Allocated memory is still 111.1MB. Free memory was 84.8MB in the beginning and 83.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:02,878 INFO L158 Benchmark]: Boogie Preprocessor took 23.11ms. Allocated memory is still 111.1MB. Free memory was 83.3MB in the beginning and 82.4MB in the end (delta: 926.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,879 INFO L158 Benchmark]: RCFGBuilder took 336.25ms. Allocated memory is still 111.1MB. Free memory was 82.4MB in the beginning and 72.2MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:02,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.46ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 84.8MB in the end (delta: -6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.77ms. Allocated memory is still 111.1MB. Free memory was 84.8MB in the beginning and 83.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.11ms. Allocated memory is still 111.1MB. Free memory was 83.3MB in the beginning and 82.4MB in the end (delta: 926.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 336.25ms. Allocated memory is still 111.1MB. Free memory was 82.4MB in the beginning and 72.2MB in the end (delta: 10.1MB). 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 15:05:02,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/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_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/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_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/rewrev.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/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_3af3cc02-135b-4367-8680-2a9929c33823/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 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:05,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:05,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:05,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:05,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:05,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:05,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:05,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:05,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:05,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:05,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:05,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:05,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:05,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:05,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:05,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:05,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:05,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:05,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:05,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:05,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:05,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:05,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:05,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:05,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:05,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:05,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:05,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:05,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:05,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:05,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:05,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:05,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:05,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:05,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:05,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:05,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:05,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:05,437 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:05,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:05,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:05,440 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:05,492 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:05,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:05,494 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:05,494 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:05,496 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:05,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:05,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:05,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:05,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:05,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:05,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:05,499 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:05,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:05,499 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:05,500 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:05,500 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:05,500 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:05,500 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:05,501 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:05,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:05,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:05,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:05,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:05,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:05,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:05,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:05,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:05,503 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:05,503 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:05,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:05,504 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:05,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:05,505 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_3af3cc02-135b-4367-8680-2a9929c33823/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40cb4a1cdff0a4e27345697e0d771f8cc035da7ed4f2bd40d71a1d68f6e99f3f [2021-11-23 15:05:05,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:06,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:06,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:06,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:06,008 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:06,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-tiling/rewrev.c [2021-11-23 15:05:06,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/da95ed44f/e0465ca51f16470a83b866eeabe9adbf/FLAG65c9593ba [2021-11-23 15:05:06,617 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:06,618 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/sv-benchmarks/c/array-tiling/rewrev.c [2021-11-23 15:05:06,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/da95ed44f/e0465ca51f16470a83b866eeabe9adbf/FLAG65c9593ba [2021-11-23 15:05:06,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/data/da95ed44f/e0465ca51f16470a83b866eeabe9adbf [2021-11-23 15:05:06,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:06,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:06,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:06,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:06,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:06,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71814c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06, skipping insertion in model container [2021-11-23 15:05:06,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:06,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:07,212 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_3af3cc02-135b-4367-8680-2a9929c33823/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2021-11-23 15:05:07,253 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:07,304 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:07,347 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_3af3cc02-135b-4367-8680-2a9929c33823/sv-benchmarks/c/array-tiling/rewrev.c[397,410] [2021-11-23 15:05:07,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:07,373 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:07,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07 WrapperNode [2021-11-23 15:05:07,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:07,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:07,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:07,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:07,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,413 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2021-11-23 15:05:07,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:07,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:07,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:07,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:07,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,426 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:07,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:07,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:07,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:07,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:07,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:07,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:07,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:07,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:05:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:07,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:07,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:05:07,629 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:07,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:07,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:07,804 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 15:05:07,808 INFO L158 Benchmark]: Toolchain (without parser) took 848.24ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 34.8MB in the end (delta: 10.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,809 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:07,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 411.33ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 48.0MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.35ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:07,812 INFO L158 Benchmark]: Boogie Preprocessor took 26.81ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 45.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,813 INFO L158 Benchmark]: RCFGBuilder took 364.79ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 34.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 46.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 411.33ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 48.0MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.35ms. Allocated memory is still 65.0MB. Free memory was 48.0MB in the beginning and 46.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.81ms. Allocated memory is still 65.0MB. Free memory was 46.6MB in the beginning and 45.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.79ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 34.8MB in the end (delta: 10.5MB). 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 15:05:07,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af3cc02-135b-4367-8680-2a9929c33823/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