./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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 fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:51,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:51,264 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:51,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:51,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:51,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:51,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:51,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:51,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:51,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:51,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:51,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:51,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:51,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:51,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:51,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:51,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:51,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:51,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:51,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:51,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:51,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:51,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:51,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:51,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:51,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:51,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:51,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:51,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:51,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:51,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:51,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:51,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:51,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:51,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:51,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:51,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:51,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:51,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:51,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:51,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:51,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:51,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:51,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:51,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:51,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:51,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:51,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:51,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:51,430 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:51,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:51,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:51,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:51,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:51,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:51,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:51,432 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:51,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:51,432 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:51,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:51,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:51,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:51,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:51,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:51,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:51,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:51,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:51,434 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:51,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:51,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:51,435 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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 [2021-11-23 15:04:51,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:51,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:51,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:51,775 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:51,776 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:51,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2021-11-23 15:04:51,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/eb43cc22e/63a9e8c3069a41ac970129a13388f17a/FLAG87b499d8e [2021-11-23 15:04:52,441 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:52,448 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2021-11-23 15:04:52,464 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/eb43cc22e/63a9e8c3069a41ac970129a13388f17a/FLAG87b499d8e [2021-11-23 15:04:52,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/eb43cc22e/63a9e8c3069a41ac970129a13388f17a [2021-11-23 15:04:52,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:52,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:52,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:52,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:52,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:52,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:52" (1/1) ... [2021-11-23 15:04:52,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea14aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:52, skipping insertion in model container [2021-11-23 15:04:52,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:52" (1/1) ... [2021-11-23 15:04:52,818 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:52,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:53,040 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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c[490,503] [2021-11-23 15:04:53,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:53,095 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:53,109 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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c[490,503] [2021-11-23 15:04:53,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:53,158 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:53,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53 WrapperNode [2021-11-23 15:04:53,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:53,160 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:53,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:53,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:53,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,215 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2021-11-23 15:04:53,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:53,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:53,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:53,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:53,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:53,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:53,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:53,267 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:53,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:53,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:53,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:53,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:53,363 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:04:53,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:04:53,457 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:53,459 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:53,683 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:53,699 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 15:04:53,709 INFO L158 Benchmark]: Toolchain (without parser) took 915.59ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 84.9MB in the end (delta: -13.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,710 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:53,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.77ms. Allocated memory is still 113.2MB. Free memory was 71.4MB in the beginning and 61.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,714 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.66ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 59.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:53,716 INFO L158 Benchmark]: Boogie Preprocessor took 48.16ms. Allocated memory is still 113.2MB. Free memory was 59.4MB in the beginning and 58.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,717 INFO L158 Benchmark]: RCFGBuilder took 441.39ms. Allocated memory is still 113.2MB. Free memory was 58.2MB in the beginning and 84.9MB in the end (delta: -26.7MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 113.2MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.77ms. Allocated memory is still 113.2MB. Free memory was 71.4MB in the beginning and 61.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.66ms. Allocated memory is still 113.2MB. Free memory was 60.9MB in the beginning and 59.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.16ms. Allocated memory is still 113.2MB. Free memory was 59.4MB in the beginning and 58.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.39ms. Allocated memory is still 113.2MB. Free memory was 58.2MB in the beginning and 84.9MB in the end (delta: -26.7MB). Peak memory consumption was 11.9MB. 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 15:04:53,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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 fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:56,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:56,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:56,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:56,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:56,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:56,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:56,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:56,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:56,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:56,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:56,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:56,362 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:56,363 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:56,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:56,366 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:56,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:56,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:56,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:56,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:56,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:56,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:56,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:56,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:56,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:56,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:56,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:56,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:56,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:56,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:56,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:56,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:56,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:56,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:56,394 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:56,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:56,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:56,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:56,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:56,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:56,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:56,400 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:56,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:56,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:56,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:56,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:56,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:56,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:56,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:56,431 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:56,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:56,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:56,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:56,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:56,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:56,432 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:56,433 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:56,433 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:56,433 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:56,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:56,434 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:56,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:56,434 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:56,435 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:56,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:56,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:56,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:56,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:56,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:56,437 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:56,437 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:56,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:56,437 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:56,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:56,438 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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc71ae13b1bed24e074eb2de07c8f2064aa903343708c3aabf1b928078c9e7f6 [2021-11-23 15:04:56,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:56,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:56,922 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:56,923 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:56,924 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:56,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2021-11-23 15:04:57,008 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/e315fc4ac/5ea03649133e44bb97b9ac19a0b1ee6d/FLAGd63307bcd [2021-11-23 15:04:57,579 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:57,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c [2021-11-23 15:04:57,590 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/e315fc4ac/5ea03649133e44bb97b9ac19a0b1ee6d/FLAGd63307bcd [2021-11-23 15:04:57,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/data/e315fc4ac/5ea03649133e44bb97b9ac19a0b1ee6d [2021-11-23 15:04:57,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:57,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:57,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:57,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:57,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:57,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:57" (1/1) ... [2021-11-23 15:04:57,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8534c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:57, skipping insertion in model container [2021-11-23 15:04:57,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:57" (1/1) ... [2021-11-23 15:04:57,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:58,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:58,249 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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c[490,503] [2021-11-23 15:04:58,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:58,331 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:58,367 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_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound50.c[490,503] [2021-11-23 15:04:58,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:58,398 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:58,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58 WrapperNode [2021-11-23 15:04:58,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:58,402 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:58,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:58,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:58,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,439 INFO L137 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2021-11-23 15:04:58,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:58,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:58,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:58,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:58,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:58,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:58,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:58,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:58,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:58,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:58,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:58,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:04:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:04:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:04:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:04:58,660 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:58,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:59,497 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:59,512 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 15:04:59,516 INFO L158 Benchmark]: Toolchain (without parser) took 1551.40ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 46.3MB in the end (delta: -3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:59,517 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:59,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.47ms. Allocated memory is still 77.6MB. Free memory was 42.5MB in the beginning and 60.5MB in the end (delta: -18.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:59,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.54ms. Allocated memory is still 77.6MB. Free memory was 60.3MB in the beginning and 58.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:59,519 INFO L158 Benchmark]: Boogie Preprocessor took 26.78ms. Allocated memory is still 77.6MB. Free memory was 58.7MB in the beginning and 57.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:59,520 INFO L158 Benchmark]: RCFGBuilder took 1045.69ms. Allocated memory is still 77.6MB. Free memory was 57.4MB in the beginning and 46.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:59,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 77.6MB. Free memory was 59.2MB in the beginning and 59.2MB in the end (delta: 69.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.47ms. Allocated memory is still 77.6MB. Free memory was 42.5MB in the beginning and 60.5MB in the end (delta: -18.0MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.54ms. Allocated memory is still 77.6MB. Free memory was 60.3MB in the beginning and 58.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.78ms. Allocated memory is still 77.6MB. Free memory was 58.7MB in the beginning and 57.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1045.69ms. Allocated memory is still 77.6MB. Free memory was 57.4MB in the beginning and 46.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:59,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3990ff4b-f9bf-495b-bf5b-6294cb79f9bc/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