./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/array_1-2.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_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/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_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/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_3b726444-6b6c-4719-83f1-ce3d65aace19/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 f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:37,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:37,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:37,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:37,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:37,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:37,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:37,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:37,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:37,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:37,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:37,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:37,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:37,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:37,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:37,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:37,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:37,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:37,652 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:37,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:37,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:37,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:37,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:37,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:37,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:37,670 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:37,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:37,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:37,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:37,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:37,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:37,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:37,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:37,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:37,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:37,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:37,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:37,683 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:37,683 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:37,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:37,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:37,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:37,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:37,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:37,713 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:37,713 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:37,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:37,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:37,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:37,715 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:37,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:37,716 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:37,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:37,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:37,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:37,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:37,717 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:37,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:37,718 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:37,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:37,719 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:37,719 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:37,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:37,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:37,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:37,720 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:37,720 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:37,720 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:37,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:37,721 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:37,721 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_3b726444-6b6c-4719-83f1-ce3d65aace19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 [2021-11-23 15:04:38,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:38,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:38,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:38,079 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:38,080 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:38,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/array_1-2.c [2021-11-23 15:04:38,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/b3da20524/6950f8a7771945419de9075406b0e865/FLAGffda0c9af [2021-11-23 15:04:38,704 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:38,704 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/sv-benchmarks/c/loop-acceleration/array_1-2.c [2021-11-23 15:04:38,711 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/b3da20524/6950f8a7771945419de9075406b0e865/FLAGffda0c9af [2021-11-23 15:04:39,087 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/b3da20524/6950f8a7771945419de9075406b0e865 [2021-11-23 15:04:39,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:39,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:39,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:39,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:39,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:39,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65da3559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39, skipping insertion in model container [2021-11-23 15:04:39,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:39,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:39,352 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_3b726444-6b6c-4719-83f1-ce3d65aace19/sv-benchmarks/c/loop-acceleration/array_1-2.c[321,334] [2021-11-23 15:04:39,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:39,375 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:39,391 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_3b726444-6b6c-4719-83f1-ce3d65aace19/sv-benchmarks/c/loop-acceleration/array_1-2.c[321,334] [2021-11-23 15:04:39,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:39,412 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:39,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39 WrapperNode [2021-11-23 15:04:39,413 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:39,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:39,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:39,415 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:39,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,462 INFO L137 Inliner]: procedures = 13, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-23 15:04:39,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:39,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:39,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:39,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:39,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:39,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:39,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:39,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:39,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:39,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:39,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:39,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:39,670 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:39,672 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:39,797 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:39,840 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 15:04:39,848 INFO L158 Benchmark]: Toolchain (without parser) took 751.34ms. Allocated memory is still 104.9MB. Free memory was 65.3MB in the beginning and 68.2MB in the end (delta: -2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:39,849 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 104.9MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:39,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.97ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 79.9MB in the end (delta: -14.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.41ms. Allocated memory is still 104.9MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,853 INFO L158 Benchmark]: Boogie Preprocessor took 29.37ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 77.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,855 INFO L158 Benchmark]: RCFGBuilder took 344.82ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 68.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:39,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 104.9MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.97ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 79.9MB in the end (delta: -14.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.41ms. Allocated memory is still 104.9MB. Free memory was 79.9MB in the beginning and 78.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.37ms. Allocated memory is still 104.9MB. Free memory was 78.7MB in the beginning and 77.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.82ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 68.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. 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 15:04:39,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/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_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/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_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/array_1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/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_3b726444-6b6c-4719-83f1-ce3d65aace19/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 f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:42,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:42,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:42,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:42,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:42,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:42,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:42,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:42,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:43,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:43,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:43,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:43,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:43,010 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:43,011 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:43,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:43,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:43,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:43,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:43,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:43,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:43,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:43,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:43,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:43,032 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:43,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:43,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:43,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:43,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:43,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:43,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:43,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:43,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:43,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:43,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:43,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:43,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:43,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:43,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:43,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:43,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:43,051 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:43,080 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:43,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:43,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:43,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:43,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:43,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:43,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:43,084 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:43,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:43,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:43,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:43,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:43,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:43,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:43,086 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:43,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:43,087 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:43,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:43,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:43,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:43,088 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:43,088 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:43,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:43,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:43,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:43,089 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:43,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:43,090 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:43,090 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:43,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:43,091 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:43,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:43,091 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_3b726444-6b6c-4719-83f1-ce3d65aace19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1476526c0a7c864e0f43f0a8231ffd3d7c324e1f397c219fdbe228643d49425 [2021-11-23 15:04:43,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:43,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:43,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:43,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:43,597 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:43,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-acceleration/array_1-2.c [2021-11-23 15:04:43,686 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/cb84e61fd/f3775ff93ff7477bae5b0179df0d6c1b/FLAGc72b751ee [2021-11-23 15:04:44,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:44,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/sv-benchmarks/c/loop-acceleration/array_1-2.c [2021-11-23 15:04:44,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/cb84e61fd/f3775ff93ff7477bae5b0179df0d6c1b/FLAGc72b751ee [2021-11-23 15:04:44,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/data/cb84e61fd/f3775ff93ff7477bae5b0179df0d6c1b [2021-11-23 15:04:44,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:44,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:44,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:44,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:44,746 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:44,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0251ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:44, skipping insertion in model container [2021-11-23 15:04:44,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:44" (1/1) ... [2021-11-23 15:04:44,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:44,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:44,988 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_3b726444-6b6c-4719-83f1-ce3d65aace19/sv-benchmarks/c/loop-acceleration/array_1-2.c[321,334] [2021-11-23 15:04:45,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:45,016 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:45,033 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_3b726444-6b6c-4719-83f1-ce3d65aace19/sv-benchmarks/c/loop-acceleration/array_1-2.c[321,334] [2021-11-23 15:04:45,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:45,078 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:45,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45 WrapperNode [2021-11-23 15:04:45,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:45,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:45,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:45,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:45,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,166 INFO L137 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 32 [2021-11-23 15:04:45,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:45,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:45,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:45,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:45,179 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:45,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:45,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:45,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:45,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:45,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:45,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:45,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:04:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:04:45,426 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:45,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:45,642 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:45,678 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 15:04:45,688 INFO L158 Benchmark]: Toolchain (without parser) took 945.56ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.5MB in the beginning and 51.6MB in the end (delta: -15.1MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,690 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:45,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.14ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 42.0MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.29ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 42.0MB in the beginning and 62.7MB in the end (delta: -20.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,695 INFO L158 Benchmark]: Boogie Preprocessor took 45.81ms. Allocated memory is still 79.7MB. Free memory was 62.7MB in the beginning and 61.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:45,697 INFO L158 Benchmark]: RCFGBuilder took 468.33ms. Allocated memory is still 79.7MB. Free memory was 61.5MB in the beginning and 51.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:45,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.14ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 42.0MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.29ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 42.0MB in the beginning and 62.7MB in the end (delta: -20.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.81ms. Allocated memory is still 79.7MB. Free memory was 62.7MB in the beginning and 61.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 468.33ms. Allocated memory is still 79.7MB. Free memory was 61.5MB in the beginning and 51.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. 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 15:04:45,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b726444-6b6c-4719-83f1-ce3d65aace19/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